def METHOD_NAME(self):
    # Call subroutine, internally creates reference and assign immediately
    with builder.build():
        with builder.align_sequential():
            builder.call(self.cr45p)
            builder.call(self.x_ctrl)
            with builder.phase_offset(
                np.pi,
                channels.ControlChannel(0),
                channels.DriveChannel(1),
            ):
                builder.call(self.cr45p)
            builder.call(self.x_ctrl)