No, of course not. Here you go, have fun everyone :-)

#define MY_DEBUG
#define MY_RADIO_NRF24

#include <MySensors.h>
#include <SPI.h>
#include <Bounce2.h>

#define SKETCH_NAME "Binary Sensor"
#define SKETCH_MAJOR_VER "1"
#define SKETCH_MINOR_VER "0"

#define first_CHILD_ID 0
#define second_CHILD_ID 1
#define third_CHILD_ID 2
#define fourth_CHILD_ID 3
#define fifth_CHILD_ID 4
#define sixth_CHILD_ID 5

#define NUMBER_OF_SWITCHES 6

Bounce debouncer[NUMBER_OF_SWITCHES];

int oldValue[NUMBER_OF_SWITCHES];
byte switchPin[NUMBER_OF_SWITCHES] = {3,4,5,6,7,8}; //<<<<<<<<<<< set your switch pins here

MyMessage msg(0,V_STATUS);


void setup()  
{  
  for (int i = 0; i < NUMBER_OF_SWITCHES; i++)
  {
    pinMode(switchPin[i],INPUT_PULLUP);
    debouncer[i] = Bounce();
    debouncer[i].attach(switchPin[i]);
    debouncer[i].interval(5);
  }
  for (int i = 0; i < NUMBER_OF_SWITCHES; i++)
  {
    present(i, S_BINARY);
    delay(250);
  }
}
//
void loop() 
{
  for (int i = 0; i < NUMBER_OF_SWITCHES; i++)
  {
    debouncer[i].update();
    int value = debouncer[i].read();
    if (value != oldValue[i]) 
    {
      send(msg.setSensor(i).set(value == HIGH? true : false), false); 
    }
    oldValue[i] = value;
  }
} 

@parachutesj
thank you very much. looks good now.

thanks @mfalkvidd
I already read that post. I tried again and now it worked.

Thanks again