---
title: "✨ Update task assignee"
method: PATCH
path: "/api/projects/{id}/tasks/{task_pk}/assignees"
tags: ["Tasks"]
---

# ✨ Update task assignee

`PATCH /api/projects/{id}/tasks/{task_pk}/assignees`

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        <p style="margin-top: 10px; font-size: 14px;">
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Update the assignee for a task in a specific project.

## Path parameters

- `id` integer, required
- `task_pk` integer, required

## Request body

- PatchedTaskAssigneesMutationRequest
  - `type` 'AN' | 'RE' — * `AN` - Annotate * `RE` - Review
  - `users` integer[]

## Response `200`

- TaskAssignment — TaskAssignment Serializer with FSM state support. Note: The 'state' field will be populated from the queryset annotation if present, preventing N+1 queries. Use .with_state() on your queryset. The state field display is controlled by both: - fflag_feat_fit_568_finite_state_management (FSM background calculations) - fflag_feat_fit_710_fsm_state_fields (state field display in APIs)
  - `assignee` integer, required — Assigned user
  - `created_at` string, date-time, required — Time of assignment
  - `id` integer, required
  - `state` string, required
  - `task` integer, required — Assigned task
  - `type` 'AN' | 'RE' — * `AN` - Annotate * `RE` - Review

---

[API](https://skmtc.net/humansignal/apis/label-studio-api.md) · [All operations](https://skmtc.net/humansignal/apis/label-studio-api/llms.txt) · [OpenAPI document](https://skmtc-service-staging.skmtc.workers.dev/v1/apis/humansignal/label-studio-api/versions/1b113b8df950/schema)