Then the apostles and elders and the whole church in Jerusalem chose delegates, and they sent them to Antioch of Syria with Paul and Barnabas to report on this decision. The men chosen were two of the church leaders -- Judas (also called Barsabbas) and Silas.
References for Acts 15:22
This is the letter they took along with them: "This letter is from the apostles and elders, your brothers in Jerusalem. It is written to the Gentile believers in Antioch, Syria, and Cilicia. Greetings!"
"We understand that some men from here have troubled you and upset you with their teaching, but they had no such instructions from us.
So it seemed good to us, having unanimously agreed on our decision, to send you these official representatives, along with our beloved Barnabas and Paul,
who have risked their lives for the sake of our Lord Jesus Christ.
So we are sending Judas and Silas to tell you what we have decided concerning your question."
"For it seemed good to the Holy Spirit and to us to lay no greater burden on you than these requirements:
You must abstain from eating food offered to idols, from consuming blood or eating the meat of strangled animals, and from sexual immorality. If you do this, you will do well. Farewell."