# `Twilio.Resources.Api.V2010.Call.UserDefinedMessage`
[🔗](https://github.com/jeffhuen/twilio_elixir/blob/main/lib/twilio/resources/api/v2010/call/user_defined_message.ex#L2)

Allows your server-side application to send messages to the Voice SDK end user during an active Call.

SID prefix: `KX`

Parent: `/Accounts/{AccountSid}/Calls/{Sid}.json`

## Properties

| Field | Description |
|-------|-------------|
# credo:disable-for-next-line Credo.Check.Readability.MaxLineLength
| `account_sid` | The SID of the [Account](https://www.twilio.com/docs/iam/api/account) that created User Defined Message. |
# credo:disable-for-next-line Credo.Check.Readability.MaxLineLength
| `call_sid` | The SID of the [Call](https://www.twilio.com/docs/voice/api/call-resource) the User Defined Message is associated with. |
# credo:disable-for-next-line Credo.Check.Readability.MaxLineLength
| `date_created` | The date that this User Defined Message was created, given in RFC 2822 format.. Format: date-time-rfc-2822 |
| `sid` | The SID that uniquely identifies this User Defined Message. |

# `t`

```elixir
@type t() :: %Twilio.Resources.Api.V2010.Call.UserDefinedMessage{
  account_sid: String.t() | nil,
  call_sid: String.t() | nil,
  date_created: String.t() | nil,
  sid: String.t() | nil
}
```

# `object_name`

# `sid_prefix`

---

*Consult [api-reference.md](api-reference.md) for complete listing*