And what are those traditions?
As yet, nobody have posted a list nor have they cited it or provided as to how they know that they are from the apostles and have been passed down faithfully.
Sacred Scripture—there is nothing in Scripture itself which tells us which books are to considered Scripture.
Infant Baptism-
Sunday Worship-The believers began meeting and celebrating Sunday though there is nothing in Scripture which says that they were to meet on Sunday.
The collection for the saints-Paul speaks of taking up the collection in advance for him to take with him after he preaches.
The Apostles appoint Steven and the others to deal with and disperse the assets, though there is no directive for either the collection or the dispersal of them in Scripture.
The laying on of hands in ordination. We know the Apostles did this, but there is nothing in Scripture telling them to do so or how to do so.
There is no directive in Scripture that the letters of the Apostles should be copied and shared with others, yet that is what the early church did. There is not even a directive that the letters should be kept or read over and over when the faithful gathered.
The Church does not spring from the New Testament, rather it is from the Church that the New Testament comes. The writings were all written for those who already believed and had come to believe through preaching. The writings also support and remind believers of traditions that were already in existence, they do not establish new ones.