Task assignment

{
  "$schema": "https://json-schema.org/draft/2020-12/schema",
  "$id": "#/components/schemas/TaskAssignment",
  "title": "Task assignment",
  "type": "object",
  "x-box-resource-id": "task_assignment",
  "x-box-tag": "task_assignments",
  "description": "A task assignment defines which task is assigned to which user to complete.",
  "properties": {
    "id": {
      "type": "string",
      "description": "The unique identifier for this task assignment",
      "example": "11446498"
    },
    "type": {
      "type": "string",
      "description": "`task_assignment`",
      "example": "task_assignment",
      "enum": [
        "task_assignment"
      ]
    },
    "item": {
      "allOf": [
        {
          "$ref": "#/components/schemas/File--Mini"
        },
        {
          "description": "The file that the task has been assigned to."
        }
      ]
    },
    "assigned_to": {
      "allOf": [
        {
          "$ref": "#/components/schemas/User--Mini"
        },
        {
          "description": "The user that the task has been assigned to."
        }
      ]
    },
    "message": {
      "type": "string",
      "example": "Please review",
      "description": "A message that will is included with the task\nassignment. This is visible to the assigned user in the web and mobile\nUI."
    },
    "completed_at": {
      "type": "string",
      "format": "date-time",
      "description": "The date at which this task assignment was\ncompleted. This will be `null` if the task is not completed yet.",
      "example": "2012-12-12T10:53:43-08:00"
    },
    "assigned_at": {
      "type": "string",
      "format": "date-time",
      "description": "The date at which this task was assigned to the user.",
      "example": "2012-12-12T10:53:43-08:00"
    },
    "reminded_at": {
      "type": "string",
      "format": "date-time",
      "description": "The date at which the assigned user was reminded of this task\nassignment.",
      "example": "2012-12-12T10:53:43-08:00"
    },
    "resolution_state": {
      "type": "string",
      "description": "The current state of the assignment. The available states depend on\nthe `action` value of the task object.",
      "example": "incomplete",
      "enum": [
        "completed",
        "incomplete",
        "approved",
        "rejected"
      ]
    },
    "assigned_by": {
      "allOf": [
        {
          "$ref": "#/components/schemas/User--Mini"
        },
        {
          "description": "The user who assigned this task."
        }
      ]
    }
  }
}