LlUnSit

If agent identified by id is sitting on the object the script is attached to or is over land owned by the objects owner, the agent is forced to stand up

Unsit on Sit

default
{
    state_entry()
    {
        llSitTarget(<0.0, 0.0, 0.1>, ZERO_ROTATION); //needed for llAvatarOnSitTarget to work. The vectors components must not all be set to 0.
    }
    changed(integer change) //event changed
    {
        if (change & CHANGED_LINK) //event changed and it has something to do with linking or avatar sitting
        {
            key user = llAvatarOnSitTarget();
            if (user) //the changed event is an avatar sitting
                llUnSit(user); //unsit the avatar on the sit target
        }
    }
}

Events

Functions