A:
You have to slaughter a sheep and give its meat as Sadaqah (voluntary charity) if
the condition upon which the vow is stipulated takes place, The Prophet (peace be upon him) said,
A person who vows to obey Allah should do so.
(Part No. 23; Page No. 382) May Allah grant us success. May peace and blessings be upon our Prophet Muhammad, his family, and Companions.