#include <EasyTransfer.h>

//create object
EasyTransfer ET;

struct RECEIVE_DATA_STRUCTURE{
  //put your variable definitions here for the data you want to receive
  //THIS MUST BE EXACTLY THE SAME ON THE OTHER ARDUINO
  String ahoj;
};

//give a name to the group of data
RECEIVE_DATA_STRUCTURE mydata;

void setup(){
  Serial.begin(115200);
  Serial1.begin(9600);
  //start the library, pass in the data details and the name of the serial port. Can be Serial, Serial1, Serial2, etc.
  ET.begin(details(mydata), &Serial1);

  pinMode(13, OUTPUT);

}

void loop(){
  //check and see if a data packet has come in.
  if(ET.receiveData()){
    //this is how you access the variables. [name of the group].[variable name]
    //since we have data, we will blink it out.
        Serial.println(mydata.ahoj);
  }

  //you should make this delay shorter then your transmit delay or else messages could be lost
  delay(250);
}