# Set Registered Model Tag

Launch stage: GA

`POST /api/2.0/mlflow/registered-models/set-tag`

Sets a tag on a registered model.

API scopes: mlflow

## Request body

- `name` (string, optional)
  Unique name of the model.
- `key` (string, optional)
  Name of the tag. Maximum size depends on storage backend.
   If a tag with this name already exists, its preexisting value will be replaced by the specified `value`.
   All storage backends are guaranteed to support key values up to 250 bytes in size.
- `value` (string, optional)
  String value of the tag being logged. Maximum size depends on storage backend.
   All storage backends are guaranteed to support key values up to 5000 bytes in size.

## Response

```json
{}
```