Need help with Firebase realtime database (SECURE RULES)

hi all I urgently need secure rules on my realtime databases in firebase, I wanted to ask you if you could make me a HIGHLY DETAILED STEP BY STEP video tutorial on how to put the rules and how to implement them on kodular, I’m also willing to pay as long as I tell the price.

PS don’t refer me to the official kodular guide and the firebase one because I can’t understand anything and I consider them a bit useless because having already read and tried them they don’t give me help or results