This article is a comprehensive study prepared with the general thought of the works of Shamsaddin al Sivasi to read his sufi exprerience who is the Sufi Master of the Shamsiyah sufi order (Shamsiya), one of the four main branches of the Khalwatiyya order. In each of his prose and poetic works, Shamsaddin al Sivasi has centered the consent of Allah as the main theme. He always wanted the divine consent to be on the agenda and wanted the realization of the servanthood in the axis of the divine consent. Shamsaddin al Sivasi; bearing the understanding of what comes from God is pleasant: Blessing or sorrow, has accepted the divine providence and has not aprroved to neither rejoice the presence nor complain of the abscence. He has linked the perfection of the state of consent to: Education of combating with self, patience and persistence effort, the sense of humility, sensivity of sincerity, vitality of dhikr (remembrance). In this article we have tried to draw attention the the real criteria that provide acces to the state of consent and its importance.