curl -i -X POST "https://api.box.com/2.0/task_assignments" \
     -H "authorization: Bearer <ACCESS_TOKEN>" \
     -H "content-type: application/json" \
     -d '{
       "task": {
         "id": "11446498",
         "type": "task"
       },
       "assign_to": {
         "id": "4823213"
       }
     }'

client.task_assignments.create_task_assignment(
    CreateTaskAssignmentTask(type=CreateTaskAssignmentTaskTypeField.TASK, id=task.id),
    CreateTaskAssignmentAssignTo(id=current_user.id),
)

await client.taskAssignments.createTaskAssignment({
  task: new CreateTaskAssignmentRequestBodyTaskField({
    type: 'task' as CreateTaskAssignmentRequestBodyTaskTypeField,
    id: task.id!,
  }),
  assignTo: {
    id: currentUser.id,
  } satisfies CreateTaskAssignmentRequestBodyAssignToField,
} satisfies CreateTaskAssignmentRequestBody);

try await client.taskAssignments.createTaskAssignment(requestBody: CreateTaskAssignmentRequestBody(task: CreateTaskAssignmentRequestBodyTaskField(type: CreateTaskAssignmentRequestBodyTaskTypeField.task, id: task.id!), assignTo: CreateTaskAssignmentRequestBodyAssignToField(id: currentUser.id)))

client.getTaskAssignments().createTaskAssignment(new CreateTaskAssignmentRequestBody(new CreateTaskAssignmentRequestBodyTaskField.Builder(task.getId()).type(CreateTaskAssignmentRequestBodyTaskTypeField.TASK).build(), new CreateTaskAssignmentRequestBodyAssignToField.Builder().id(currentUser.getId()).build()))

await client.TaskAssignments.CreateTaskAssignmentAsync(requestBody: new CreateTaskAssignmentRequestBody(task: new CreateTaskAssignmentRequestBodyTaskField(type: CreateTaskAssignmentRequestBodyTaskTypeField.Task, id: NullableUtils.Unwrap(task.Id)), assignTo: new CreateTaskAssignmentRequestBodyAssignToField() { Id = currentUser.Id }));

{
  "id": "11446498",
  "type": "task_assignment",
  "item": {
    "id": "12345",
    "type": "file",
    "etag": "1",
    "sequence_id": "3",
    "name": "Contract.pdf",
    "sha1": "85136C79CBF9FE36BB9D05D0639C70C265C18D37",
    "file_version": {
      "id": "12345",
      "type": "file_version",
      "sha1": "134b65991ed521fcfe4724b7d814ab8ded5185dc"
    }
  },
  "assigned_to": {
    "id": "11446498",
    "type": "user",
    "name": "Aaron Levie",
    "login": "ceo@example.com"
  },
  "message": "Please review",
  "completed_at": "2012-12-12T10:53:43-08:00",
  "assigned_at": "2012-12-12T10:53:43-08:00",
  "reminded_at": "2012-12-12T10:53:43-08:00",
  "resolution_state": "incomplete",
  "assigned_by": {
    "id": "11446498",
    "type": "user",
    "name": "Aaron Levie",
    "login": "ceo@example.com"
  }
}

{
  "type": "error",
  "status": 400,
  "code": "item_name_invalid",
  "message": "Method Not Allowed",
  "context_info": {
    "message": "Something went wrong"
  },
  "help_url": "https://developer.box.com/guides/api-calls/permissions-and-errors/common-errors/",
  "request_id": "abcdef123456"
}

{
  "type": "error",
  "status": 400,
  "code": "item_name_invalid",
  "message": "Method Not Allowed",
  "context_info": {
    "message": "Something went wrong"
  },
  "help_url": "https://developer.box.com/guides/api-calls/permissions-and-errors/common-errors/",
  "request_id": "abcdef123456"
}

{
  "type": "error",
  "status": 400,
  "code": "item_name_invalid",
  "message": "Method Not Allowed",
  "context_info": {
    "message": "Something went wrong"
  },
  "help_url": "https://developer.box.com/guides/api-calls/permissions-and-errors/common-errors/",
  "request_id": "abcdef123456"
}

{
  "type": "error",
  "status": 400,
  "code": "item_name_invalid",
  "message": "Method Not Allowed",
  "context_info": {
    "message": "Something went wrong"
  },
  "help_url": "https://developer.box.com/guides/api-calls/permissions-and-errors/common-errors/",
  "request_id": "abcdef123456"
}