openproject/docs/api/apiv3/paths/custom_action.yml

# /api/v3/custom_actions/{id}
---
get:
  parameters:
  - description: The id of the custom action to fetch
    example: '1'
    in: path
    name: id
    required: true
    schema:
      type: integer
  responses:
    '200':
      content:
        application/hal+json:
          examples:
            response:
              value:
                _links:
                  executeImmediately:
                    href: "/apiChanges project and type in one go"
                    method: post
                    title: Execute Change project and type
                  self:
                    href: "/api/v3/custom_actions/2"
                    title: Change project and type
                _type: CustomAction
                description: Changes project and type in one go
                name: Change project and type
          schema:
            "$ref": "../components/schemas/custom_action_model.yml"
      description: OK
      headers: {}
    '403':
      content:
        application/hal+json:
          examples:
            response:
              value:
                _type: Error
                errorIdentifier: urn:openproject-org:api:v3:errors:MissingPermission
                message: You are not authorized to access this resource.
      description: |-
        Returned if the client does not have sufficient permissions.

        **Required permission:** edit work packages in any project        
      headers: {}
    '404':
      content:
        application/hal+json:
          examples:
            response:
              value:
                _type: Error
                errorIdentifier: urn:openproject-org:api:v3:errors:NotFound
                message: The requested resource could not be found.
      description: Returned if the custom action does not exist.
      headers: {}
  tags:
  - Custom actions
  description: ''
  operationId: View_custom_action
  summary: View custom action