Use make a list.
At a time you can write as much as items into firebase, but second time onwards you cannot add values into the same list.
If you wish to continue to add values then use append to the list
Eg, ref here
Use make a list.
At a time you can write as much as items into firebase, but second time onwards you cannot add values into the same list.
If you wish to continue to add values then use append to the list
Eg, ref here