So It's a transfer of property instantly and with none exchange. There must be a transparent intention with the donor to transfer the possession to the doner for a legitimate reward. It might be revoked by the doner. As well as the provisions for a similar have also been stated. https://andyxfuyl.blogdanica.com/31083675/detailed-notes-on-inheritance-islamic-law-of-succession-wakeel-in-karachi-near-me