# Assign an Add-on installation to the Number specified.

**POST /2010-04-01/Accounts/{AccountSid}/IncomingPhoneNumbers/{ResourceSid}/AssignedAddOns.json**

Assign an Add-on installation to the Number specified.


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


## Authentication methods
- Account sid auth token


## Parameters

### Path parameters
- **AccountSid** (string)
  The SID of the [Account](https://www.twilio.com/docs/iam/api/account) that will create the resource.
- **ResourceSid** (string)
  The SID of the Phone Number to assign the Add-on.


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

- **InstalledAddOnSid** (string)
  The SID that identifies the Add-on installation.


## Responses
### 201
Created
#### 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)
  The unique string that that we created to identify the resource.
- **account_sid** (string | null)
  The SID of the [Account](https://www.twilio.com/docs/iam/api/account) that created the resource.
- **resource_sid** (string | null)
  The SID of the Phone Number to which the Add-on is assigned.
- **friendly_name** (string | null)
  The string that you assigned to describe the resource.
- **description** (string | null)
  A short description of the functionality that the Add-on provides.
- **configuration** ()
  A JSON string that represents the current configuration of this Add-on installation.
- **unique_name** (string | null)
  An application-defined string that uniquely identifies the resource. It can be used in place of the resource's `sid` in the URL to address the resource.
- **date_created** (string(date-time-rfc-2822) | null)
  The date and time in GMT that the resource was created specified in [RFC 2822](https://www.ietf.org/rfc/rfc2822.txt) format.
- **date_updated** (string(date-time-rfc-2822) | null)
  The date and time in GMT that the resource was last updated specified in [RFC 2822](https://www.ietf.org/rfc/rfc2822.txt) format.
- **uri** (string | null)
  The URI of the resource, relative to `https://api.twilio.com`.
- **subresource_uris** (object(uri-map) | null)
  A list of related resources identified by their relative URIs.


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