property keyGroups

This property returns a basics::array containing all the keyGroup objects in the scene. Property returns null if no key group object exists

function onSample()
{
    var keyGrpArray = scene.keyGroups;
    for (var x = 0; x < keyGrpArray.count; ++x)
    {
        var keyGrp = keyGrpArray.getValue(x);
        if (keyGrp)
        {
            shell.print("Key group id = " + keyGrp.id);
        }
    }
}