# BOT_EVENT_LISTEN_SUCCESS

Raised when a listener has been successfully established.

```snippet totalcontrol-event-reference-SHMdGBygzz
str | —
id  | —
```

## Example

```csharp
link_message( integer sender_num, integer num, string str, key id ) {
    /////////////////// Bot listen event success
    if(num==BOT_EVENT_LISTEN_SUCCESS) {
        // Inform user
    	llOwnerSay("Listen successful");
    }
}
```