openapi: 3.2.0
info:
  description: Marketo Engage Rest API
  version: '1.0'
  title: Marketo Engage Rest Activities API
  termsOfService: https://www.adobe.com/legal.html
  contact:
    name: Adobe Developer Relations
    url: https://experienceleague.adobe.com/en/docs/marketo-developer/marketo/home
    email: ''
  license:
    name: API License Agreement
    url: https://experienceleague.adobe.com/en/docs/marketo-developer/marketo/api-license
servers:
- url: https://localhost:8080/
tags:
- name: Activities
  description: Activities Controller
paths:
  /rest/v1/activities.json:
    get:
      tags:
      - Activities
      summary: Get Lead Activities
      description: 'Returns a list of activities from after a datetime given by the `nextPageToken` parameter. Also allows for filtering by lead static list membership, or by a list of up to 30 lead ids. Beginning 2026-09-30, calls to the `Get Lead Activities` and `Get Lead Changes` endpoints which includes the `listId` parameter will fail (error code 1003) if the target lists contain 10,000 or more leads. To avoid service disruptions, ensure that calls are properly scoped to avoid this limit. Required Permissions: Read-Only Activity, Read-Write Activity'
      operationId: getLeadActivitiesUsingGET
      parameters:
      - name: nextPageToken
        in: query
        description: Token representation of a datetime returned by the Get Paging Token endpoint. This endpoint will return activities after this datetime
        required: true
        schema:
          type: string
      - name: activityTypeIds
        in: query
        description: Comma-separated list of activity type ids. These can be retrieved with the Get Activity Types API.
        required: true
        style: form
        explode: true
        schema:
          type: array
          items:
            type: integer
            format: int32
      - name: assetIds
        in: query
        description: Id of the primary asset for an activity. This is based on the primary asset id of a given activity type. Should only be used when a single activity type is set
        required: false
        style: form
        explode: true
        schema:
          type: array
          items:
            type: integer
            format: int32
      - name: listId
        in: query
        description: Id of a static list. If set, will only return activities of members of this static list.
        required: false
        schema:
          type: integer
          format: int32
      - name: leadIds
        in: query
        description: Comma-separated list of lead ids. If set, will only return activities of the leads with these ids. Allows up to 30 entries.
        required: false
        style: form
        explode: true
        schema:
          type: array
          items:
            type: integer
            format: int64
      - name: batchSize
        in: query
        description: Maximum number of records to return. Maximum and default is 300.
        required: false
        schema:
          type: integer
          format: int32
      responses:
        '200':
          description: OK
          content:
            application/json:
              schema:
                $ref: '#/components/schemas/ResponseOfActivity'
  /rest/v1/activities/deletedleads.json:
    get:
      tags:
      - Activities
      summary: Get Deleted Leads
      description: 'Returns a list of leads deleted after a given datetime. Deletions greater than 14 days old may be pruned. Required Permissions: Read-Only Activity, Read-Write Activity'
      operationId: getDeletedLeadsUsingGET
      parameters:
      - name: nextPageToken
        in: query
        description: Token representation of a datetime returned by the Get Paging Token endpoint. This endpoint will return activities after this datetime
        required: true
        schema:
          type: string
      - name: batchSize
        in: query
        description: Maximum number of records to return. Maximum and default is 300.
        required: false
        schema:
          type: integer
          format: int32
      responses:
        '200':
          description: OK
          content:
            application/json:
              schema:
                $ref: '#/components/schemas/ResponseOfActivity'
  /rest/v1/activities/external.json:
    post:
      tags:
      - Activities
      summary: Add Custom Activities
      description: 'Allows insertion of custom activities associated to given lead records. Requires provisioning of custom activity types to utilize. Required Permissions: Read-Write Activity'
      operationId: addCustomActivityUsingPOST
      responses:
        '200':
          description: OK
          content:
            application/json:
              schema:
                $ref: '#/components/schemas/ResponseOfCustomActivity'
      requestBody:
        content:
          application/json:
            schema:
              $ref: '#/components/schemas/CustomActivityRequest'
        description: customActivityRequest
        required: true
  /rest/v1/activities/external/type.json:
    post:
      tags:
      - Activities
      summary: Create Custom Activity Type
      description: 'Creates a new custom activity type draft in the target instance. Required Permissions: Read-Write Activity Metadata'
      operationId: createCustomActivityTypeUsingPOST
      responses:
        '200':
          description: OK
          content:
            application/json:
              schema:
                $ref: '#/components/schemas/ResponseOfCustomActivityType'
      requestBody:
        content:
          application/json:
            schema:
              $ref: '#/components/schemas/CustomActivityTypeRequest'
        description: customActivityTypeRequest
        required: true
  /rest/v1/activities/external/type/{apiName}.json:
    post:
      tags:
      - Activities
      summary: Update Custom Activity Type
      description: 'Updates the target custom activity type. All changes are applied to the draft version of the type. Required Permissions: Read-Write Activity Metadata'
      operationId: updateCustomActivityTypeUsingPOST
      parameters:
      - name: apiName
        in: path
        description: API Name of the activity type
        required: true
        schema:
          type: string
      responses:
        '200':
          description: OK
          content:
            application/json:
              schema:
                $ref: '#/components/schemas/ResponseOfCustomActivityType'
      requestBody:
        content:
          application/json:
            schema:
              $ref: '#/components/schemas/CustomActivityTypeRequest'
        description: customActivityTypeRequest
        required: true
  /rest/v1/activities/external/type/{apiName}/approve.json:
    post:
      tags:
      - Activities
      summary: Approve Custom Activity Type
      description: 'Approves the current draft of the type, and makes it the live version. This will delete the current live version of the type. Required Permissions: Read-Write Activity Metadata'
      operationId: approveCustomActivityTypeUsingPOST
      parameters:
      - name: apiName
        in: path
        description: API Name of the activity type
        required: true
        schema:
          type: string
      responses:
        '200':
          description: OK
          content:
            application/json:
              schema:
                $ref: '#/components/schemas/ResponseOfCustomActivityType'
  /rest/v1/activities/external/type/{apiName}/attributes/create.json:
    post:
      tags:
      - Activities
      summary: Create Custom Activity Type Attributes
      description: 'Adds activity attributes to the target type. These are added to the draft version of the type. Required Permissions: Read-Write Activity Metadata'
      operationId: createCustomActivityTypeAttributesUsingPOST
      parameters:
      - name: apiName
        in: path
        description: API Name of the activity type
        required: true
        schema:
          type: string
      responses:
        '200':
          description: OK
          content:
            application/json:
              schema:
                $ref: '#/components/schemas/ResponseOfCustomActivityType'
      requestBody:
        content:
          application/json:
            schema:
              $ref: '#/components/schemas/CustomActivityTypeAttributeRequest'
        description: customActivityTypeAttributeRequest
        required: true
  /rest/v1/activities/external/type/{apiName}/attributes/delete.json:
    post:
      tags:
      - Activities
      summary: Delete Custom Activity Type Attributes
      description: 'Deletes the target attributes from the custom activity type draft. The apiName of each attribute is the primary key for the update. Required Permissions: Read-Write Activity Metadata'
      operationId: deleteCustomActivityTypeAttributesUsingPOST
      parameters:
      - name: apiName
        in: path
        description: API Name of the activity type
        required: true
        schema:
          type: string
      responses:
        '200':
          description: OK
          content:
            application/json:
              schema:
                $ref: '#/components/schemas/ResponseOfCustomActivityType'
      requestBody:
        content:
          application/json:
            schema:
              $ref: '#/components/schemas/CustomActivityTypeAttributeRequest'
        description: customActivityTypeAttributeRequest
        required: true
  /rest/v1/activities/external/type/{apiName}/attributes/update.json:
    post:
      tags:
      - Activities
      summary: Update Custom Activity Type Attributes
      description: 'Updates the attributes of the custom activity type draft. The apiName of each attribute is the primary key for the update. Required Permissions: Read-Write Activity Metadata'
      operationId: updateCustomActivityTypeAttributesUsingPOST
      parameters:
      - name: apiName
        in: path
        description: API Name of the activity type
        required: true
        schema:
          type: string
      responses:
        '200':
          description: OK
          content:
            application/json:
              schema:
                $ref: '#/components/schemas/ResponseOfCustomActivityType'
      requestBody:
        content:
          application/json:
            schema:
              $ref: '#/components/schemas/CustomActivityTypeAttributeRequest'
        description: customActivityTypeAttributeRequest
        required: true
  /rest/v1/activities/external/type/{apiName}/delete.json:
    post:
      tags:
      - Activities
      summary: Delete Custom Activity Type
      description: 'Deletes the target custom activity type. The type must first be removed from use by any assets, such as triggers or filters. Required Permissions: Read-Write Activity Metadata'
      operationId: deleteCustomActivityTypeUsingPOST
      parameters:
      - name: apiName
        in: path
        description: API Name of the activity type
        required: true
        schema:
          type: string
      responses:
        '200':
          description: OK
          content:
            application/json:
              schema:
                $ref: '#/components/schemas/ResponseOfCustomActivityType'
  /rest/v1/activities/external/type/{apiName}/describe.json:
    get:
      tags:
      - Activities
      summary: Describe Custom Activity Type
      description: 'Returns metadata for a specific custom activity type. Required Permissions: Read-Only Activity Metadata, Read-Write Activity Metadata'
      operationId: describeCustomActivityTypeUsingGET
      parameters:
      - name: apiName
        in: path
        description: API Name of the activity type
        required: true
        schema:
          type: string
      - name: draft
        in: query
        description: draft
        required: false
        schema:
          type: boolean
      responses:
        '200':
          description: OK
          content:
            application/json:
              schema:
                $ref: '#/components/schemas/ResponseOfCustomActivityType'
  /rest/v1/activities/external/type/{apiName}/discardDraft.json:
    post:
      tags:
      - Activities
      summary: Discard Custom Activity Type Draft
      description: 'Discards the current draft of the custom activity type. Required Permissions: Read-Write Activity Metadata'
      operationId: discardDraftofCustomActivityTypeUsingPOST
      parameters:
      - name: apiName
        in: path
        description: API Name of the activity type
        required: true
        schema:
          type: string
      responses:
        '200':
          description: OK
          content:
            application/json:
              schema:
                $ref: '#/components/schemas/ResponseOfCustomActivityType'
  /rest/v1/activities/external/types.json:
    get:
      tags:
      - Activities
      summary: Get Custom Activity Types
      description: 'Returns metadata regarding custom activities provisioned in the target instance. Required Permissions: Read-Only Activity Metadata, Read-Write Activity Metadata'
      operationId: getCustomActivityTypeUsingGET
      responses:
        '200':
          description: OK
          content:
            application/json:
              schema:
                $ref: '#/components/schemas/ResponseOfCustomActivityType'
  /rest/v1/activities/leadchanges.json:
    get:
      tags:
      - Activities
      summary: Get Lead Changes
      description: 'Returns a list of Data Value Changes and New Lead activities after a given datetime. Beginning 2026-09-30, calls to the `Get Lead Activities` and `Get Lead Changes` endpoints which includes the `listId` parameter will fail (error code 1003) if the target lists contain 10,000 or more leads. To avoid service disruptions, ensure that calls are properly scoped to avoid this limit. Required Permissions: Read-Only Activity, Read-Write Activity'
      operationId: getLeadChangesUsingGET
      parameters:
      - name: nextPageToken
        in: query
        description: Token representation of a datetime returned by the Get Paging Token endpoint. This endpoint will return activities after this datetime
        required: true
        schema:
          type: string
      - name: fields
        in: query
        description: Comma-separated list of field names to return changes for. Field names can be retrieved with the Describe Lead API.
        required: true
        style: form
        explode: true
        schema:
          type: array
          items:
            type: string
      - name: listId
        in: query
        description: Id of a static list. If set, will only return activities of members of this static list.
        required: false
        schema:
          type: integer
          format: int32
      - name: leadIds
        in: query
        description: Comma-separated list of lead ids. If set, will only return activities of the leads with these ids. Allows up to 30 entries.
        required: false
        style: form
        explode: true
        schema:
          type: array
          items:
            type: integer
            format: int64
      - name: batchSize
        in: query
        description: Maximum number of records to return. Maximum and default is 300.
        required: false
        schema:
          type: integer
          format: int32
      responses:
        '200':
          description: OK
          content:
            application/json:
              schema:
                $ref: '#/components/schemas/ResponseOfLeadChange'
  /rest/v1/activities/pagingtoken.json:
    get:
      tags:
      - Activities
      summary: Get Paging Token
      description: 'Returns a paging token for use in retrieving activities and data value changes. Required Permissions: Read-Only Activity, Read-Write Activity'
      operationId: getActivitiesPagingTokenUsingGET
      parameters:
      - name: sinceDatetime
        in: query
        description: Earliest datetime to retrieve activities from
        required: true
        schema:
          type: string
          format: date-time
      responses:
        '200':
          description: OK
          content:
            application/json:
              schema:
                $ref: '#/components/schemas/ResponseOfVoid'
  /rest/v1/activities/types.json:
    get:
      tags:
      - Activities
      summary: Get Activity Types
      description: 'Returns a list of available activity types in the target instance, along with associated metadata of each type. Required Permissions: Read-Only Activity, Read-Write Activity'
      operationId: getAllActivityTypesUsingGET
      responses:
        '200':
          description: OK
          content:
            application/json:
              schema:
                $ref: '#/components/schemas/ResponseOfActivityType'
components:
  schemas:
    ResponseOfVoid:
      type: object
      required:
      - errors
      - requestId
      - success
      - warnings
      properties:
        errors:
          type: array
          description: Array of errors that occurred if the request was unsuccessful
          items:
            $ref: '#/components/schemas/Error'
        moreResult:
          type: boolean
          example: false
          description: Boolean indicating if there are more results in subsequent pages
        nextPageToken:
          type: string
          description: Paging token given if the result set exceeded the allowed batch size
        requestId:
          type: string
          description: Id of the request made
        success:
          type: boolean
          example: false
          description: Whether the request succeeded
        warnings:
          type: array
          description: Array of warnings given for the operation
          items:
            $ref: '#/components/schemas/Warning'
    ResponseOfActivityType:
      type: object
      required:
      - errors
      - requestId
      - result
      - success
      - warnings
      properties:
        errors:
          type: array
          description: Array of errors that occurred if the request was unsuccessful
          items:
            $ref: '#/components/schemas/Error'
        moreResult:
          type: boolean
          example: false
          description: Boolean indicating if there are more results in subsequent pages
        nextPageToken:
          type: string
          description: Paging token given if the result set exceeded the allowed batch size
        requestId:
          type: string
          description: Id of the request made
        result:
          type: array
          description: Array of results for individual records in the operation, may be empty
          items:
            $ref: '#/components/schemas/ActivityType'
        success:
          type: boolean
          example: false
          description: Whether the request succeeded
        warnings:
          type: array
          description: Array of warnings given for the operation
          items:
            $ref: '#/components/schemas/Warning'
    CustomActivity:
      type: object
      required:
      - activityDate
      - activityTypeId
      - attributes
      - errors
      - id
      - leadId
      - primaryAttributeValue
      properties:
        activityDate:
          type: string
          description: Datetime of the activity
        activityTypeId:
          type: integer
          format: int32
          description: Id of the activity type
        apiName:
          type: string
        attributes:
          type: array
          description: List of secondary attributes
          items:
            $ref: '#/components/schemas/Attribute'
        errors:
          type: array
          description: Array of errors that occurred if the request was unsuccessful
          items:
            $ref: '#/components/schemas/Error'
        id:
          type: integer
          format: int64
          description: Integer id of the activity. For instances which have been migrated to Activity Service, this field may not be present, and should not be treated as unique.
        leadId:
          type: integer
          format: int64
          description: Id of the lead associated to the activity
        marketoGUID:
          type: string
          description: Unique id of the activity (128 character string)
        primaryAttributeValue:
          type: string
          description: Value of the primary attribute
        status:
          type: string
          description: Status of the operation performed on the record
          enum:
          - created
          - updated
          - deleted
          - skipped
          - added
          - removed
    CustomActivityType:
      type: object
      properties:
        apiName:
          type: string
          description: API Name of the type. The API name must be unique and alphanumeric, containing at least one letter. It is highly recommended to prepend a unique namespace of up to sixteen characters to the API name. Required on creation
        attributes:
          type: array
          description: List of attributes for the activity type. May only be added or update through Create or Update Custom Activity Type Attributes
          items:
            $ref: '#/components/schemas/CustomActivityTypeAttribute'
        createdAt:
          type: string
          description: Datetime when the activity type was created
        description:
          type: string
          description: Description of the activity type
        filterName:
          type: string
          description: Human-readable name for the associated filter of the activity type. Required on creation
        id:
          type: integer
          format: int32
        name:
          type: string
          description: Human-readable display name of the type. Required on creation
        primaryAttribute:
          description: Primary Attribute of the activity type. Required on creation
          $ref: '#/components/schemas/CustomActivityTypeAttribute'
        status:
          type: string
          description: State of the activity type
          enum:
          - draft
          - approved
          - deleted
          - approved with draft
        triggerName:
          type: string
          description: Human-readable name for the associated trigger of the activity type. Required on creation
        updatedAt:
          type: string
          description: Datetime when the activity type was most recently updated
    ActivityType:
      type: object
      required:
      - attributes
      - id
      - name
      - primaryAttribute
      properties:
        apiName:
          type: string
        attributes:
          type: array
          description: List of secondary attributes of the type
          items:
            $ref: '#/components/schemas/ActivityTypeAttribute'
        description:
          type: string
          description: Description of the activity type
        id:
          type: integer
          format: int32
          description: Id of the activity type
        name:
          type: string
          description: Name of the activity type
        primaryAttribute:
          description: Primary attribute of the type
          $ref: '#/components/schemas/ActivityTypeAttribute'
    CustomActivityTypeAttributeRequest:
      type: object
      properties:
        attributes:
          type: array
          description: List of attributes to add to the activity type
          items:
            $ref: '#/components/schemas/CustomActivityTypeAttribute'
    Error:
      type: object
      required:
      - code
      - message
      properties:
        code:
          type: string
          description: Error code of the error. See full list of error codes <a href="https://developers.marketo.com/rest-api/error-codes/">here</a>
        message:
          type: string
          description: Message describing the cause of the error
    LeadChangeField:
      type: object
      required:
      - id
      - name
      - newValue
      properties:
        id:
          type: integer
          format: int32
          description: Unique integer id of the change record
        name:
          type: string
          description: Name of the field which was changed
        newValue:
          type: string
          description: New value after the change
        oldValue:
          type: string
          description: Old value before the change
      description: Activity record containing information on a data value change
    CustomActivityRequest:
      type: object
      required:
      - input
      properties:
        input:
          type: array
          description: List of custom activities to insert
          items:
            $ref: '#/components/schemas/CustomActivity'
    Activity:
      type: object
      required:
      - activityDate
      - activityTypeId
      - attributes
      - id
      - leadId
      properties:
        activityDate:
          type: string
          format: date-time
          description: Datetime of the activity
        activityTypeId:
          type: integer
          format: int32
          description: Id of the activity type
        attributes:
          type: array
          description: List of secondary attributes
          items:
            $ref: '#/components/schemas/Attribute'
        campaignId:
          type: integer
          format: int64
          description: Id of the associated Smart Campaign, if applicable
        id:
          type: integer
          format: int64
          description: Integer id of the activity. This value could exceed Int.MAX. For instances which have been migrated to Activity Service, this field may not be present, and should not be treated as unique.
        leadId:
          type: integer
          format: int64
          description: Id of the lead associated to the activity
        marketoGUID:
          type: string
          description: Unique id of the activity (128 character string)
        primaryAttributeValue:
          type: string
          description: Value of the primary attribute
        primaryAttributeValueId:
          type: integer
          format: int64
          description: Id of the primary attribute field
    ResponseOfCustomActivityType:
      type: object
      required:
      - errors
      - requestId
      - result
      - success
      - warnings
      properties:
        errors:
          type: array
          description: Array of errors that occurred if the request was unsuccessful
          items:
            $ref: '#/components/schemas/Error'
        moreResult:
          type: boolean
          example: false
          description: Boolean indicating if there are more results in subsequent pages
        nextPageToken:
          type: string
          description: Paging token given if the result set exceeded the allowed batch size
        requestId:
          type: string
          description: Id of the request made
        result:
          type: array
          description: Array of results for individual records in the operation, may be empty
          items:
            $ref: '#/components/schemas/CustomActivityType'
        success:
          type: boolean
          example: false
          description: Whether the request succeeded
        warnings:
          type: array
          description: Array of warnings given for the operation
          items:
            $ref: '#/components/schemas/Warning'
    ResponseOfActivity:
      type: object
      required:
      - errors
      - requestId
      - result
      - success
      - warnings
      properties:
        errors:
          type: array
          description: Array of errors that occurred if the request was unsuccessful
          items:
            $ref: '#/components/schemas/Error'
        moreResult:
          type: boolean
          example: false
          description: Boolean indicating if there are more results in subsequent pages
        nextPageToken:
          type: string
          description: Paging token given if the result set exceeded the allowed batch size
        requestId:
          type: string
          description: Id of the request made
        result:
          type: array
          description: Array of results for individual records in the operation, may be empty
          items:
            $ref: '#/components/schemas/Activity'
        success:
          type: boolean
          example: false
          description: Whether the request succeeded
        warnings:
          type: array
          description: Array of warnings given for the operation
          items:
            $ref: '#/components/schemas/Warning'
    Attribute:
      type: object
      required:
      - name
      - value
      properties:
        apiName:
          type: string
        name:
          type: string
          description: Name of the attribute
        value:
          type: object
          description: Value of the attribute
      description: Name-Value pair
    Warning:
      type: object
      required:
      - code
      - message
      properties:
        code:
          type: integer
          format: int32
          description: Integer code of the warning
        message:
          type: string
          description: Message describing the warning
    ResponseOfCustomActivity:
      type: object
      required:
      - errors
      - requestId
      - result
      - success
      - warnings
      properties:
        errors:
          type: array
          description: Array of errors that occurred if the request was unsuccessful
          items:
            $ref: '#/components/schemas/Error'
        moreResult:
          type: boolean
          example: false
          description: Boolean indicating if there are more results in subsequent pages
        nextPageToken:
          type: string
          description: Paging token given if the result set exceeded the allowed batch size
        requestId:
          type: string
          description: Id of the request made
        result:
          type: array
          description: Array of results for individual records in the operation, may be empty
          items:
            $ref: '#/components/schemas/CustomActivity'
        success:
          type: boolean
          example: false
          description: Whether the request succeeded
        warnings:
          type: array
          description: Array of warnings given for the operation
          items:
            $ref: '#/components/schemas/Warning'
    CustomActivityTypeAttribute:
      type: object
      required:
      - apiName
      - name
      properties:
        apiName:
          type: string
          description: API Name of the attribute
        dataType:
          type: string
          description: Data type of the attribute
          enum:
          - string
          - boolean
          - integer
          - float
          - link
          - email
          - currency
          - date
          - datetime
          - phone
          - text
        description:
          type: string
          description: Description of the attribute
        isPrimary:
          type: boolean
          example: false
          description: Whether the attribute is the primary attribute of the activity type. There may only be one primary attribute at a time
        name:
          type: string
          description: Human-readable display name of the attribute
    ActivityTypeAttribute:
      type: object
      required:
      - dataType
      - name
      properties:
        apiName:
          type: string
        dataType:
          type: string
          description: Datatype of the Attribute
        name:
          type: string
          description: Name of the attribute
    ResponseOfLeadChange:
      type: object
      required:
      - errors
      - requestId
      - result
      - success
      - warnings
      properties:
        errors:
          type: array
          description: Array of errors that occurred if the request was unsuccessful
          items:
            $ref: '#/components/schemas/Error'
        moreResult:
          type: boolean
          example: false
          description: Boolean indicating if there are more results in subsequent pages
        nextPageToken:
          type: string
          description: Paging token given if the result set exceeded the allowed batch size
        requestId:
          type: string
          description: Id of the request made
        result:
          type: array
          description: Array of results for individual records in the operation, may be empty
          items:
            $ref: '#/components/schemas/LeadChange'
        success:
          type: boolean
          example: false
          description: Whether the request succeeded
        warnings:
          type: array
          description: Array of warnings given for the operation
          items:
            $ref: '#/components/schemas/Warning'
    LeadChange:
      type: object
      required:
      - activityDate
      - activityTypeId
      - attributes
      - id
      - leadId
      properties:
        activityDate:
          type: string
          format: date-time
          description: Datetime of the activity
        activityTypeId:
          type: integer
          format: int32
          description: Id of the activity type
        attributes:
          type: array
          description: List of secondary attributes
          items:
            $ref: '#/components/schemas/Attribute'
        campaignId:
          type: integer
          format: int64
        fields:
          type: array
          items:
            $ref: '#/components/schemas/LeadChangeField'
        id:
          type: integer
          format: int64
          description: Integer id of the activity. For instances which have been migrated to Activity Service, this field may not be present, and should not be treated as unique.
        leadId:
          type: integer
          format: int64
          description: Id of the lead associated to the activity
        marketoGUID:
          type: string
          description: Unique id of the activity (128 character string)
    CustomActivityTypeRequest:
      type: object
      required:
      - apiName
      - name
      - triggerName
      - filterName
      - primaryAttribute
      properties:
        apiName:
          type: string
        description:
          type: string
        filterName:
          type: string
          description: Human-readable name of the associated filter
        name:
          type: string
          description: Human-readable display name of the activity type
        primaryAttribute:
          description: Primary attribute of the activity type
          $ref: '#/components/schemas/CustomActivityTypeAttribute'
        triggerName:
          type: string
          description: Human-readable name of the associated trigger