openproject/docs/api/apiv3/components/schemas/time_entry_activity_model.yml

# Schema: Time_Entry_ActivityModel
---
type: object
properties:
  id:
    type: integer
    description: Time entries' id
    readOnly: true
    minimum: 0
    exclusiveMinimum: true
  name:
    type: string
    description: The human readable name chosen for this activity
    readOnly: true
  position:
    type: string
    format: date
    description: The rank the activity has in a list of activities
    readOnly: true
  default:
    type: boolean
    description: Flag to signal whether this activity is the default activity
    readOnly: true
  _links:
    type: object
    required:
    - self
    - projects
    properties:
      self:
        allOf:
        - "$ref": "./link.yml"
        - description: |-
            This time entry activity

            **Resource**: TimeEntriesActivity            
          readOnly: true
      projects:
        allOf:
        - "$ref": "./link.yml"
        - description: |-
            List of projects the time entry is active in

            **Resource**: []Project