openapi: 3.1.0
info:
  title: Amazon AppSync Api Keys Functions API
  description: The Amazon AppSync API enables programmatic management of GraphQL APIs, including creating and configuring data sources, resolvers, functions, API keys, types, and managing GraphQL schema definitions. AppSync makes it easy to build data-driven mobile and web applications.
  version: '2017-07-25'
  contact:
    name: AWS Support
    url: https://aws.amazon.com/contact-us/
  license:
    name: Apache 2.0
    url: https://www.apache.org/licenses/LICENSE-2.0
servers:
- url: https://appsync.us-east-1.amazonaws.com
  description: Amazon AppSync US East (N. Virginia)
- url: https://appsync.eu-west-1.amazonaws.com
  description: Amazon AppSync EU (Ireland)
security:
- awsAuth: []
tags:
- name: Functions
  description: Manage reusable pipeline resolver functions
paths:
  /v1/apis/{apiId}/functions:
    post:
      operationId: createFunction
      summary: Amazon AppSync Create Function
      description: Creates a Function object. A function is a reusable entity. Multiple functions can be used to compose the resolver logic.
      tags:
      - Functions
      x-microcks-operation:
        delay: 100
        dispatcher: FALLBACK
      parameters:
      - name: apiId
        in: path
        required: true
        schema:
          type: string
      requestBody:
        required: true
        content:
          application/json:
            schema:
              $ref: '#/components/schemas/CreateFunctionRequest'
            examples:
              default:
                x-microcks-default: true
                value:
                  name: GetPostFunction
                  dataSourceName: MyDynamoDBDataSource
                  functionVersion: '2018-05-29'
                  requestMappingTemplate: '{"version":"2018-05-29","operation":"GetItem","key":{"id":$util.dynamodb.toDynamoDBJson($ctx.args.id)}}'
                  responseMappingTemplate: $util.toJson($ctx.result)
      responses:
        '200':
          description: Function created
          content:
            application/json:
              schema:
                $ref: '#/components/schemas/CreateFunctionResponse'
              examples:
                default:
                  x-microcks-default: true
                  value:
                    functionConfiguration:
                      functionId: abc123456789
                      name: GetPostFunction
                      dataSourceName: MyDynamoDBDataSource
                      functionArn: arn:aws:appsync:us-east-1:123456789012:apis/abc123/functions/abc123456789
        '500':
          description: Internal server error
          content:
            application/json:
              schema:
                $ref: '#/components/schemas/ErrorResponse'
    get:
      operationId: listFunctions
      summary: Amazon AppSync List Functions
      description: List multiple functions.
      tags:
      - Functions
      x-microcks-operation:
        delay: 100
        dispatcher: FALLBACK
      parameters:
      - name: apiId
        in: path
        required: true
        schema:
          type: string
      - name: nextToken
        in: query
        schema:
          type: string
      - name: maxResults
        in: query
        schema:
          type: integer
      responses:
        '200':
          description: List of functions
          content:
            application/json:
              schema:
                $ref: '#/components/schemas/ListFunctionsResponse'
              examples:
                default:
                  x-microcks-default: true
                  value:
                    functions:
                    - functionId: abc123456789
                      name: GetPostFunction
                      dataSourceName: MyDynamoDBDataSource
                    nextToken: ''
        '500':
          description: Internal server error
          content:
            application/json:
              schema:
                $ref: '#/components/schemas/ErrorResponse'
  /v1/apis/{apiId}/functions/{functionId}:
    get:
      operationId: getFunction
      summary: Amazon AppSync Get Function
      description: Get a Function object.
      tags:
      - Functions
      x-microcks-operation:
        delay: 100
        dispatcher: FALLBACK
      parameters:
      - name: apiId
        in: path
        required: true
        schema:
          type: string
      - name: functionId
        in: path
        required: true
        schema:
          type: string
      responses:
        '200':
          description: Function retrieved
          content:
            application/json:
              schema:
                $ref: '#/components/schemas/GetFunctionResponse'
              examples:
                default:
                  x-microcks-default: true
                  value:
                    functionConfiguration:
                      functionId: abc123456789
                      name: GetPostFunction
                      dataSourceName: MyDynamoDBDataSource
        '500':
          description: Internal server error
          content:
            application/json:
              schema:
                $ref: '#/components/schemas/ErrorResponse'
    put:
      operationId: updateFunction
      summary: Amazon AppSync Update Function
      description: Updates a Function object.
      tags:
      - Functions
      x-microcks-operation:
        delay: 100
        dispatcher: FALLBACK
      parameters:
      - name: apiId
        in: path
        required: true
        schema:
          type: string
      - name: functionId
        in: path
        required: true
        schema:
          type: string
      requestBody:
        required: true
        content:
          application/json:
            schema:
              $ref: '#/components/schemas/UpdateFunctionRequest'
            examples:
              default:
                x-microcks-default: true
                value:
                  name: UpdatedFunction
                  dataSourceName: MyDynamoDBDataSource
                  functionVersion: '2018-05-29'
      responses:
        '200':
          description: Function updated
          content:
            application/json:
              schema:
                $ref: '#/components/schemas/UpdateFunctionResponse'
              examples:
                default:
                  x-microcks-default: true
                  value:
                    functionConfiguration:
                      functionId: abc123456789
                      name: UpdatedFunction
        '500':
          description: Internal server error
          content:
            application/json:
              schema:
                $ref: '#/components/schemas/ErrorResponse'
    delete:
      operationId: deleteFunction
      summary: Amazon AppSync Delete Function
      description: Deletes a Function.
      tags:
      - Functions
      x-microcks-operation:
        delay: 100
        dispatcher: FALLBACK
      parameters:
      - name: apiId
        in: path
        required: true
        schema:
          type: string
      - name: functionId
        in: path
        required: true
        schema:
          type: string
      responses:
        '200':
          description: Function deleted
          content:
            application/json:
              schema:
                type: object
              examples:
                default:
                  x-microcks-default: true
                  value: {}
        '500':
          description: Internal server error
          content:
            application/json:
              schema:
                $ref: '#/components/schemas/ErrorResponse'
components:
  schemas:
    UpdateFunctionRequest:
      type: object
      description: Request to update a function
      required:
      - name
      - dataSourceName
      - functionVersion
      properties:
        name:
          type: string
          description: Function name
          example: UpdatedFunction
        description:
          type: string
          description: Function description
          example: Updated description
        dataSourceName:
          type: string
          description: Data source name
          example: MyDynamoDBDataSource
        requestMappingTemplate:
          type: string
          description: Request mapping template
          example: '{"version":"2018-05-29","operation":"GetItem"}'
        responseMappingTemplate:
          type: string
          description: Response mapping template
          example: $util.toJson($ctx.result)
        functionVersion:
          type: string
          description: Function version
          example: '2018-05-29'
    UpdateFunctionResponse:
      type: object
      description: Response from updating a function
      properties:
        functionConfiguration:
          $ref: '#/components/schemas/FunctionConfiguration'
    AppSyncRuntime:
      type: object
      description: Runtime configuration for APPSYNC_JS resolvers
      properties:
        name:
          type: string
          description: Runtime name
          enum:
          - APPSYNC_JS
          example: APPSYNC_JS
        runtimeVersion:
          type: string
          description: Runtime version
          example: 1.0.0
    ErrorResponse:
      type: object
      description: Standard error response from the AppSync API
      properties:
        message:
          type: string
          description: Error message
          example: Resource not found
        errorType:
          type: string
          description: Error type
          example: NotFoundException
    FunctionConfiguration:
      type: object
      description: A reusable pipeline function configuration
      properties:
        functionId:
          type: string
          description: The function ID
          example: abc123456789
        functionArn:
          type: string
          description: The function ARN
          example: arn:aws:appsync:us-east-1:123456789012:apis/abc123/functions/abc123456789
        name:
          type: string
          description: The function name
          example: GetPostFunction
        description:
          type: string
          description: The function description
          example: Retrieves a post by ID
        dataSourceName:
          type: string
          description: The data source name
          example: MyDynamoDBDataSource
        requestMappingTemplate:
          type: string
          description: The request mapping template
          example: '{"version":"2018-05-29","operation":"GetItem"}'
        responseMappingTemplate:
          type: string
          description: The response mapping template
          example: $util.toJson($ctx.result)
        functionVersion:
          type: string
          description: The function version
          example: '2018-05-29'
        syncConfig:
          $ref: '#/components/schemas/SyncConfig'
        maxBatchSize:
          type: integer
          description: Maximum batch size
          example: 0
        runtime:
          $ref: '#/components/schemas/AppSyncRuntime'
        code:
          type: string
          description: The function code
          example: ''
    CreateFunctionResponse:
      type: object
      description: Response from creating a function
      properties:
        functionConfiguration:
          $ref: '#/components/schemas/FunctionConfiguration'
    SyncConfig:
      type: object
      description: Sync configuration for conflict resolution
      properties:
        conflictHandler:
          type: string
          description: Conflict handler type
          enum:
          - OPTIMISTIC_CONCURRENCY
          - LAMBDA
          - AUTOMERGE
          - NONE
          example: OPTIMISTIC_CONCURRENCY
        conflictDetection:
          type: string
          description: Conflict detection type
          enum:
          - VERSION
          - NONE
          example: VERSION
    GetFunctionResponse:
      type: object
      description: Response from getting a function
      properties:
        functionConfiguration:
          $ref: '#/components/schemas/FunctionConfiguration'
    ListFunctionsResponse:
      type: object
      description: Response with list of functions
      properties:
        functions:
          type: array
          description: List of functions
          items:
            $ref: '#/components/schemas/FunctionConfiguration'
        nextToken:
          type: string
          description: Pagination token
          example: ''
    CreateFunctionRequest:
      type: object
      description: Request to create a pipeline function
      required:
      - name
      - dataSourceName
      properties:
        name:
          type: string
          description: The function name
          example: GetPostFunction
        description:
          type: string
          description: Function description
          example: Retrieves a post from DynamoDB
        dataSourceName:
          type: string
          description: Data source name
          example: MyDynamoDBDataSource
        requestMappingTemplate:
          type: string
          description: Request mapping template
          example: '{"version":"2018-05-29","operation":"GetItem"}'
        responseMappingTemplate:
          type: string
          description: Response mapping template
          example: $util.toJson($ctx.result)
        functionVersion:
          type: string
          description: Function version
          example: '2018-05-29'
        syncConfig:
          $ref: '#/components/schemas/SyncConfig'
        maxBatchSize:
          type: integer
          description: Maximum batch size
          example: 0
        runtime:
          $ref: '#/components/schemas/AppSyncRuntime'
        code:
          type: string
          description: Function code
          example: ''
  securitySchemes:
    awsAuth:
      type: apiKey
      in: header
      name: Authorization
      description: AWS Signature Version 4 authentication