IMPLEMENTASI PUSH NOTIFICATION PADA APLIKASI MONITORING PENGADAAAN BARANG ATAU JASA ISTANA KEPRESIDENAN YOGYAKARTA MENGGUNAKNA PHP AJAX (Studi Kasus : Istana Kepresidenan Yogyakarta)

The Yogyakarta Presidential Palace is an office and also the official residence of the president who does not yet have a special system for monitoring the procurement of goods or services. The system still in use at the Yogyakarta Presidential Palace is still in the form of hardcopy and softcopy sent by e-mail or from one part to another. This study aims to assist the Head of the Yogyakarta Presidential Palace in the process of monitoring the procurement of goods or services by making an application for monitoring the procurement of goods or services. Along with the development of current technology, technology using PHP Ajax is the choice for implementing push notification. The monitoring application for the procurement of goods or services is to assist the head of the palace in monitoring the procurement of goods or services in the Yogyakarta Presidential Palace. The method used by researchers in making applications is by using the waterfall method. Meanwhile, the push notification is to notify when there is a request for the procurement of goods or services that enter. The results showed that the researcher managed to make the monitoring application for the procurement of goods or services and the application could be tested properly, and could implement the push notification using PHP Ajax technology.