The Messenger of Allah ﷺ said, "Whoever lies about me deliberately, let him take his seat in the Fire."
حدثنا وهب بن جرير حدثنا أبي قال سمعت عاصما يحدث عن زر
أن رسول الله ﷺ قال من كذب علي متعمدا فليتبوأ مقعده من النار
Its isnad is sahih, and its meaning has already appeared through a different route at 3694, 3801.