# Assign and unassign users from detection alerts

**POST /api/detection_engine/signals/assignees**

Assign users to detection alerts, and unassign them from alerts.
> info
> You cannot add and remove the same assignee in the same request.



## Servers
- http://localhost:5601: http://localhost:5601 ()


## Authentication methods
- Basic auth


## Parameters



### Body: application/json (object)

- **assignees** (object)
  Details about the assignees to assign and unassign.
- **ids** (array[string(nonempty)])
  A list of alerts `id`s.


## Responses
### 200
Indicates a successful call.

### 400
Invalid request.


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