Hadith 24:79
Jarir narrated to us, from Mughira, that Umar ibn Abd al-Aziz had companions who would converse with him at night. The sign between him and them was that he would say to them, "Whenever you wish."
حدثنا جرير عن مغيرة أن عمر بن عبد العزيز كان له سمار فكان وعلامة ما بينه وبينهم أن يقول لهم إذا شئتم