property disabled

This property is used to get and set the disable state for a command.

function onSample()
{
    var commandGroup = scene.getCommandGroupById("myCmdGrpId");
    if (commandGroup)
    {
        var command = commandGroup.getCommandById("myCmdId");
        if (command)
        {
            // Disable this command.
            command.disabled = true;
        }
    }
}