<SYSTEM_TASK:>
Solve the following problem using Python, implementing the functions described below, one line at a time
<END_TASK>
<USER_TASK:>
Description:

def ctrl_srfc_pt_send(self, target, bitfieldPt, force_mavlink1=False):
                '''
                This message sets the control surfaces for selective passthrough mode.

                target                    : The system setting the commands (uint8_t)
                bitfieldPt                : Bitfield containing the passthrough configuration, see CONTROL_SURFACE_FLAG ENUM. (uint16_t)

                '''
                return self.send(self.ctrl_srfc_pt_encode(target, bitfieldPt), force_mavlink1=force_mavlink1)