# Update flow test users

**POST /v2/Flows/{Sid}/TestUsers**

Update flow test users
Test users of a flow

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


## Authentication methods
- Account sid auth token


## Parameters

### Path parameters
- **Sid** (string)
  Unique identifier of the flow.


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

- **TestUsers** (array[string])
  List of test user identities that can test draft versions of the flow.


## 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)
- **sid** (string | null)
  Unique identifier of the flow.
- **test_users** (array[string] | null)
  List of test user identities that can test draft versions of the flow.
- **url** (string(uri) | null)
  The URL of this resource.


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