'Umar consulted the companions about the case of a woman's abortion (caused by somebody else). Al-Mughira said: The Prophet ﷺ gave the verdict that a male or female slave should be given (as a Diya). Then Muhammad bin Maslama testified that he had witnessed the Prophet ﷺ giving such a verdict.
الْمُغِيرَةُ قَضَى النَّبِيُّ ﷺ بِالْغُرَّةِ عَبْدٍ أَوْ أَمَةٍ فَقَالَ ائْتِ مَنْ يَشْهَدُ مَعَكَ فَشَهِدَ مُحَمَّدُ بْنُ مَسْلَمَةَ أَنَّهُ شَهِدَ النَّبِيَّ ﷺ قَضَى بِهِ