How to change firebase data at once

hello, I just started the application, I want to ask how to change all the data at once in the firebase according to the tag, because I want to change all the data in the bucket project with one command, I will display what I want
As I showed there I have marked the two “nama” tags are in two different bucket projects and then how to change the two tags simultaneously?

Make these two project bucket as a list and use

for each item in the list ,
1.Set firebase project bucket get item Firebase tag (nama) value (as you desire)

Can you show me the block GSR?


In the place of make a list , if you have all the tag list in a global variable, then you can use that variable here in the okace of make a list. So the above process will work for all tags


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