That the Messenger of Allah told 'Attab bin Usaid to estimate the (harvest of) grapes, and to pay Zakah in raisins, just as the Zakah on date palms is given in died dates.
أَنَّ رَسُولَ اللَّهِ ﷺ أَمَرَ عَتَّابَ بْنَ أَسِيدٍ أَنْ يَخْرِصَ الْعِنَبَ فَتُؤَدَّى زَكَاتُهُ زَبِيبًا كَمَا تُؤَدَّى زَكَاةُ النَّخْلِ تَمْرًا