# Update application custom data

**PATCH /api/applications/{applicationId}/custom-data**

Update the custom data of an application.


## Servers
- Logto endpoint address.: https://[tenant_id].logto.app (Logto endpoint address.)


## Authentication methods
- OAuth2


## Parameters

### Path parameters
- **applicationId** (string)
  The unique identifier of the application.


### Body: application/json (object)

object

## Responses
### 200
The updated custom data in JSON.

#### Body: application/json (object)
object
### 400
Bad Request

### 401
Unauthorized

### 403
Forbidden


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