It is recommended but not obligatory. Facing the Qibla shows respect, but the core requirement is a clean state and sincere heart.
Surah Al-Waqiah, also known as Surat Al-Waqiah, is the 56th chapter (surah) of the Quran. It is a Meccan surah, meaning it was revealed to the Prophet Muhammad (peace be upon him) while he was in Mecca. The surah consists of 96 verses (ayat) and is considered a relatively short chapter compared to others in the Quran. al waqiah surat ke link