text: #include "application.h"
  
  SYSTEM_MODE(MANUAL);
  
  bool usb_request_custom_handler(char* buf, size_t bufSize, size_t reqSize, size_t* repSize) {
      // Parse JSON request
      JSONObjectIterator it(JSONValue::parse(buf, reqSize));
      while (it.next()) {
          if (it.name() == "test") {
              const char str[] = "It works!";
              memcpy(buf, str, strlen(str));
              *repSize = strlen(str);
              return true;
          }
      }
      return false;
  }
  
  
  void setup() {
      Serial.end();
  }
  
  void loop() {
  }
  