Is drawing lots (qur'ah) established in matters of bequest concerning undefined property?

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The drawing of lots is established and legislated for determining which specific item is freed or bequeathed when the testator specified a category but not a specific item (e.g., 'one of my slaves'). This is supported by the Hadith of 'Imran ibn Husayn and the action of the Prophet (PBUH) in drawing lots among the slaves.