For them therein is whatever they wish, [while] abiding eternally. It is ever upon your Lord a promise [worthy to be] requested.
The Saheeh International Quran Translation
لَّهُمْ فِيهَا مَا يَشَآءُونَ خَٰلِدِينَ كَانَ عَلَىٰ رَبِّكَ وَعْدًا مَّسْـُٔولًاFor them therein is whatever they wish, [while] abiding eternally. It is ever upon your Lord a promise [worthy to be] requested.