Sorry...The apostles beat you to it...You really think PolyCarp was confused as to what the bible was when he was preaching and teaching???
In short, to assemble the books in the Bible. This is what the early Church fathers did using the sacred oral tradition, contemporary sources, and ritual.
You've been duped...Had there been some evidence of 'sacred oral tradition' it would have shown up by now...Ritual??? Your religion established the word of God based on ritual???
Hey, don't forget Tradition! ;)