Different screen data refresh button

Good afternoon folks
I have on screen 1 where I save the data. And on screen 2 I updated the data, already saved on screen 1.
How do I create the update command by clicking the update button.
Remembering that I use firebase.

So far I’ve managed to do that (below) but to no avail.

if list tags you have set empty list, then how it will get or save data on that empty list?

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Hello Samiu,
I made some changes to the blocks, but couldn’t.
Can you give me an example of maintained blocks?

I would like to insert data into what already exists in firebase.

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can you send me you aia in private message so i can check and arrange it for you

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