Shmuel Bais 15:8-10

Orthodox Jewish Bible

⁸ For thy eved vowed a neder (vow) while I abode at Geshur in Syria, saying, If Hashem shall bring me again indeed to Yerushalayim, then I will serve Hashem.

⁹ And HaMelech said unto him, Go in shalom. So he arose, and went to Chevron.

¹⁰ But Avshalom sent secret messengers throughout kol Shivtei Yisroel, saying, As soon as ye hear the sound of the shofar, then ye shall say, Avshalom reigneth in Chevron.