# Update an identity's access to a specific Sync List.

**POST /v1/Services/{ServiceSid}/Lists/{ListSid}/Permissions/{Identity}**

Update an identity's access to a specific Sync List.
Permissions for Sync list items

## Servers
- https://sync.twilio.com: https://sync.twilio.com ()


## Authentication methods
- Account sid auth token


## Parameters

### Path parameters
- **ServiceSid** (string)
  The SID of the [Sync Service](https://www.twilio.com/docs/sync/api/service) with the Sync List Permission resource to update.
- **ListSid** (string)
  The SID of the Sync List with the Sync List Permission resource to update. Can be the Sync List resource's `sid` or its `unique_name`.
- **Identity** (string)
  The application-defined string that uniquely identifies the User's Sync List Permission resource to update.


### Body: application/x-www-form-urlencoded (object)

- **Read** (boolean)
  Whether the identity can read the Sync List and its Items. Default value is `false`.
- **Write** (boolean)
  Whether the identity can create, update, and delete Items in the Sync List. Default value is `false`.
- **Manage** (boolean)
  Whether the identity can delete the Sync List. Default value is `false`.


## Responses
### 200
OK
#### Headers
- **Access-Control-Allow-Origin** (string)
  Specify the origin(s) allowed to access the resource
- **Access-Control-Allow-Methods** (string)
  Specify the HTTP methods allowed when accessing the resource
- **Access-Control-Allow-Headers** (string)
  Specify the headers allowed when accessing the resource
- **Access-Control-Allow-Credentials** (boolean)
  Indicates whether the browser should include credentials
- **Access-Control-Expose-Headers** (string)
  Headers exposed to the client

#### Body: application/json (object)
- **account_sid** (string | null)
  The SID of the [Account](https://www.twilio.com/docs/iam/api/account) that created the Sync List Permission resource.
- **service_sid** (string | null)
  The SID of the [Sync Service](https://www.twilio.com/docs/sync/api/service) the resource is associated with.
- **list_sid** (string | null)
  The SID of the Sync List to which the Permission applies.
- **identity** (string | null)
  The application-defined string that uniquely identifies the resource's User within the Service to an FPA token.
- **read** (boolean | null)
  Whether the identity can read the Sync List and its Items.
- **write** (boolean | null)
  Whether the identity can create, update, and delete Items in the Sync List.
- **manage** (boolean | null)
  Whether the identity can delete the Sync List.
- **url** (string(uri) | null)
  The absolute URL of the Sync List Permission resource.


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