Prophet Solomon's authority

وَمِنَ ٱلشَّيَـٰطِينِ مَن يَغُوصُونَ لَهُۥ وَيَعْمَلُونَ عَمَلًا دُونَ ذَٰلِكَ ۖ وَكُنَّا لَهُمْ حَـٰفِظِينَ

And of the devils [i.e., jinn] were those who dived for him and did work other than that. And We were of them a guardian.