What did Elijah do to call Elisha?

Answer: Threw his cloak around him

Elijah went up to Elisha and threw his cloak around him.

“So Elijah departed and found Elisha son of Shaphat. He was plowing with twelve teams of oxen, and he was with the twelfth team. Elijah passed by him and threw his cloak around him.”— 1 Kings 19:19 (BSB)