if (attr_input) {
  uint8_t status_type = status;
  if (attr_ccs) {
    if ((status_type == MIDI_CONTROL_CHANGE + (attr_inchannel - 1))) {
      MidiSend3((midi_device_t)attr_output,
                status_type + ((attr_outchannel - 1) - (attr_inchannel - 1)),
                data1, data2);
    }
  }
  if (attr_notes) {
    if (((status_type == MIDI_NOTE_OFF + (attr_inchannel - 1)) &&
         (data1 >= attr_lowestnote) && (data1 <= attr_highestnote)) ||
        ((status_type == MIDI_NOTE_ON + (attr_inchannel - 1)) &&
         (data1 >= attr_lowestnote) && (data1 <= attr_highestnote))) {
      MidiSend3((midi_device_t)attr_output,
                status_type + ((attr_outchannel - 1) - (attr_inchannel - 1)),
                data1, data2);
    }
  }
  if (attr_bend) {
    if (status_type == MIDI_PITCH_BEND + (attr_inchannel - 1)) {
      MidiSend3((midi_device_t)attr_output,
                status_type + ((attr_outchannel - 1) - (attr_inchannel - 1)),
                data1, data2);
    }
  }
  if (attr_clock) {
    if ((status == MIDI_TIMING_CLOCK) || (status == MIDI_START) ||
        (status == MIDI_CONTINUE) || (status == MIDI_STOP)) {
      MidiSend1((midi_device_t)attr_output, status);
    }
  }

  if (attr_PolyPressure) {
    if ((status_type == MIDI_POLY_PRESSURE + (attr_inchannel - 1)) &&
        (data1 >= attr_lowestnote) && (data1 <= attr_highestnote)) {

      MidiSend3((midi_device_t)attr_output,
                status_type + ((attr_outchannel - 1) - (attr_inchannel - 1)),
                data1, data2);
    }
  }
  if (attr_ProgramCh) {
    if (status_type == MIDI_PROGRAM_CHANGE + (attr_inchannel - 1)) {

      MidiSend2((midi_device_t)attr_output,
                status_type + ((attr_outchannel - 1) - (attr_inchannel - 1)),
                data1);
    }
  }
  if (attr_ChPressure) {
    if (status_type == MIDI_CHANNEL_PRESSURE + (attr_inchannel - 1)) {
      MidiSend2((midi_device_t)attr_output,
                status_type + ((attr_outchannel - 1) - (attr_inchannel - 1)),
                data1);
    }
  }
}