steps_file.js

// in this file you can append custom step methods to 'I' object

module.exports = function() {
  return actor({

  	// Define custom steps here, use 'this' to access default methods of I.
    // It is recommended to place a general 'login' function here.
    
updateField(fieldName, value) {
      this.appendField(fieldName, '');
      this.pressKey(['Shift', 'Home']);
      this.pressKey('Backspace');
    }
    

  });
}