Spin_R_Custom_attribute = attributes custom_Attributes
(
 rollout SpinRollout "Helper Controls"
 (

    Spinner TheSpinner "The Spinner" range:[-10,10,0] controller: $Helper_R_Spin.rotation.z_rotation.controller

    on TheSpinner changed spin do
    (
        try (in coordsys local $Helper_R_Spin.rotation.z_rotation = spin) catch ()
    )
 )
)