LlListen

De DigiWiki.

// says beep to owner the first time owner says something in main chat;
integer listen_handle;
 
default
{
    state_entry()
    {   // Registers the listen to the owner of the object at the moment of the call.
        // This does not automatically update when the owner changes.
        // Change 0 to another positive number to listen for '/5 hello' style of chat.
        listen_handle = llListen(0, "", llGetOwner(), "");
    }
    listen( integer channel, string name, key id, string message )
    {
        llOwnerSay("beep");
        // Stop listening until script is reset
        llListenRemove(listen_handle);
    }
    on_rez(integer param)
    {   // Triggered when the object is rezzed, like after the object has been sold from a vendor
        llResetScript();//By resetting the script on rez forces the listen to re-register.
    }
    changed(integer mask)
    {   // Triggered when the object containing this script changes owner.
        if(mask & CHANGED_OWNER)
        {
            llResetScript();
        }
    }
}