Therefore, David ascended, in accord with the word of Gad, which he had spoken to him in the name of the Lord
Other versions
King James Version
And David went up at the saying of Gad, which he spake in the name of the LORD.English Standard Version
So David went up at Gad's word, which he had spoken in the name of the LORD.New International Version
So David went up in obedience to the word that Gad had spoken in the name of the LORD.