The Prophet ﷺ said, "Whoever lies about what his eyes have seen will be charged on the Day of Resurrection with tying a knot between the two ends of a barley grain."
حدثنا عبد الله قال و حدثناه خلف بن هشام البزار حدثنا أبو عوانة عن عبد الأعلى عن أبي عبد الرحمن
عن النبي ﷺ قال من كذب على عينيه كلف يوم القيامة عقدا بين طرفي شعيرة
Its isnad is daif due to the weakness of Abdul-Ala Thalabi. In ح, it reads "wa haddathanahu Khalafun" and so on, and the addition of the pronoun ha is unnecessary and is not found in ك and ه. The hadith is a repetition of 789. It is one of the additions of Abdullah bin Ahmad.