Acts 15:4, 6, 22-23

And when they had come to Jerusalem, they were received by the church and the apostles and the elders; and they reported all things that God had done with them.

Now the apostles and elders came together to consider this matter.

Then it pleased the apostles and elders, with the whole church, to send chosen men of their own company to Antioch with Paul and Barnabas, namely, Judas who was also named Barsabas, and Silas, leading men among the brethren. They wrote this letter by them: The apostles, the elders, and the brethren, To the brethren who are of the Gentiles in Antioch, Syria, and Cilicia: Greetings.