openapi: 3.1.0
info:
  title: 'Amazon Step Functions Executions #X Amz Target=AWSStepFunctions.DescribeActivity API'
  description: Amazon Step Functions is a serverless workflow orchestration service that lets you coordinate distributed applications and microservices using visual workflows. This API enables you to create and manage state machines, start and monitor executions, and retrieve execution history.
  version: '2016-11-23'
  contact:
    name: Amazon Web Services
    url: https://aws.amazon.com/contact-us/
  termsOfService: https://aws.amazon.com/service-terms/
servers:
- url: https://states.{region}.amazonaws.com
  description: Amazon Step Functions Regional Endpoint
  variables:
    region:
      default: us-east-1
      description: AWS Region
security:
- sigv4Auth: []
tags:
- name: '#X Amz Target=AWSStepFunctions.DescribeActivity'
paths:
  /#X-Amz-Target=AWSStepFunctions.DescribeActivity:
    parameters:
    - $ref: '#/components/parameters/X-Amz-Content-Sha256'
    - $ref: '#/components/parameters/X-Amz-Date'
    - $ref: '#/components/parameters/X-Amz-Algorithm'
    - $ref: '#/components/parameters/X-Amz-Credential'
    - $ref: '#/components/parameters/X-Amz-Security-Token'
    - $ref: '#/components/parameters/X-Amz-Signature'
    - $ref: '#/components/parameters/X-Amz-SignedHeaders'
    post:
      operationId: DescribeActivity
      description: <p>Describes an activity.</p> <note> <p>This operation is eventually consistent. The results are best effort and may not reflect very recent updates and changes.</p> </note>
      responses:
        '200':
          description: Success
          content:
            application/json:
              schema:
                $ref: '#/components/schemas/DescribeActivityOutput'
              examples:
                DescribeActivity200Example:
                  summary: Default DescribeActivity 200
                  x-microcks-default: true
                  value:
                    activityArn: arn:aws:service:us-east-1:123456789012:resource/example
                    name: MyResource
                    creationDate: example-value
        '480':
          description: ActivityDoesNotExist
          content:
            application/json:
              schema:
                $ref: '#/components/schemas/ActivityDoesNotExist'
              examples:
                DescribeActivity480Example:
                  summary: Default DescribeActivity 480
                  x-microcks-default: true
                  value: example-value
        '481':
          description: InvalidArn
          content:
            application/json:
              schema:
                $ref: '#/components/schemas/InvalidArn'
              examples:
                DescribeActivity481Example:
                  summary: Default DescribeActivity 481
                  x-microcks-default: true
                  value: example-value
      requestBody:
        required: true
        content:
          application/json:
            schema:
              $ref: '#/components/schemas/DescribeActivityInput'
            examples:
              DescribeActivityRequestExample:
                summary: Default DescribeActivity request
                x-microcks-default: true
                value:
                  activityArn: arn:aws:service:us-east-1:123456789012:resource/example
      parameters:
      - name: X-Amz-Target
        in: header
        required: true
        schema:
          type: string
          enum:
          - AWSStepFunctions.DescribeActivity
      summary: Amazon Describe Activity
      x-microcks-operation:
        delay: 0
        dispatcher: FALLBACK
      tags:
      - '#X Amz Target=AWSStepFunctions.DescribeActivity'
components:
  parameters:
    X-Amz-Signature:
      name: X-Amz-Signature
      in: header
      schema:
        type: string
      required: false
    X-Amz-Algorithm:
      name: X-Amz-Algorithm
      in: header
      schema:
        type: string
      required: false
    X-Amz-Security-Token:
      name: X-Amz-Security-Token
      in: header
      schema:
        type: string
      required: false
    X-Amz-Date:
      name: X-Amz-Date
      in: header
      schema:
        type: string
      required: false
    X-Amz-SignedHeaders:
      name: X-Amz-SignedHeaders
      in: header
      schema:
        type: string
      required: false
    X-Amz-Content-Sha256:
      name: X-Amz-Content-Sha256
      in: header
      schema:
        type: string
      required: false
    X-Amz-Credential:
      name: X-Amz-Credential
      in: header
      schema:
        type: string
      required: false
  schemas:
    DescribeActivityInput:
      type: object
      required:
      - activityArn
      title: DescribeActivityInput
      properties:
        activityArn:
          allOf:
          - $ref: '#/components/schemas/Arn'
          - description: The Amazon Resource Name (ARN) of the activity to describe.
    ActivityDoesNotExist: {}
    Arn:
      type: string
      minLength: 1
      maxLength: 256
    InvalidArn: {}
    Timestamp:
      type: string
      format: date-time
    DescribeActivityOutput:
      type: object
      required:
      - activityArn
      - name
      - creationDate
      properties:
        activityArn:
          allOf:
          - $ref: '#/components/schemas/Arn'
          - description: The Amazon Resource Name (ARN) that identifies the activity.
        name:
          allOf:
          - $ref: '#/components/schemas/Name'
          - description: '<p>The name of the activity.</p> <p>A name must <i>not</i> contain:</p> <ul> <li> <p>white space</p> </li> <li> <p>brackets <code>&lt; &gt; { } [ ]</code> </p> </li> <li> <p>wildcard characters <code>? *</code> </p> </li> <li> <p>special characters <code>" # % \ ^ | ~ ` $ &amp; , ; : /</code> </p> </li> <li> <p>control characters (<code>U+0000-001F</code>, <code>U+007F-009F</code>)</p> </li> </ul> <p>To enable logging with CloudWatch Logs, the name should only contain 0-9, A-Z, a-z, - and _.</p>'
        creationDate:
          allOf:
          - $ref: '#/components/schemas/Timestamp'
          - description: The date the activity is created.
    Name:
      type: string
      minLength: 1
      maxLength: 80
  securitySchemes:
    sigv4Auth:
      type: apiKey
      name: Authorization
      in: header
      description: AWS Signature Version 4 authentication
externalDocs:
  description: Amazon Step Functions API Reference
  url: https://docs.aws.amazon.com/step-functions/latest/apireference/