It wasnarrated from Malik bin Numair Al-Khuza'i that his father said:
"Isaw the Prophet (ﷺ) putting his right hand on his right thighduring prayer, and pointing with his finger." (TR)
English reference (TR): Vol. 1, Book 5, Hadith 911 (TR)
Arabic reference (TR): Book 5, Hadith 964 (TR)