# sendMessage()

Sends a message from the framed JavaScript code to the Aura component.

## Sample

Used within a JavaScript app uploaded as a static resource and referenced by `lightning:container`, this example sends a message from the app to `lightning:container`.

```javascript
sendMessage() {
  LCC.sendMessage({name: "General", value: this.state.messageToSend});
}
```

## Arguments

| Name      | Type | Description                                                                                                                 |
| --------- | ---- | --------------------------------------------------------------------------------------------------------------------------- |
| `userMsg` | any  | While the data sent in the message is entirely under your control, by convention it’s an object with name and value fields. |

## Response

None.