lib/index.js
function getPaymentByNotificationToken(token, callback) {
    var client = new this.clients.Payments();
    client.getByNotificationToken(token, callback);
  }
function getPaymentByNotificationToken(token, callback) {
    var client = new this.clients.Payments();
    client.getByNotificationToken(token, callback);
  }
function getPaymentByNotificationToken ( token , callback ) { var client = new this . clients . Payments ( ) ; client . getByNotificationToken ( token , callback ) ; }
Obtains a payment by its notification token.

@param {String} id - The payment ID.
@param {Function} callback - The callback method.
Obtains a payment by its notification token .