The Pledge of the Tree (Arabic: بيعة الشجرة bayʻat ash-shajarah) or Pledge of Satisfaction (Arabic: بيعة الرضوان bayʻat ar-riḍwān) or Pledge of Ridwan was a pledge that was sworn to the Islamic prophet Muhammad by his Sahaba (companions) prior to the Treaty of Hudaybiyyah (6 AH, 628 CE).