At Tawbah Ayah 75
۞ وَمِنْهُم مَّنْ عَـٰهَدَ ٱللَّهَ لَئِنْ ءَاتَـٰنَا مِن فَضْلِهِۦ لَنَصَّدَّقَنَّ وَلَنَكُونَنَّ مِنَ ٱلصَّـٰلِحِينَ ٧٥
And there are some who had made a vow to Allah: “If He gives us from His bounty, we will surely spend in charity and be of the righteous.”