How to get signed URLs from private Supabase bucket?

Custom Code

Hi! I'm working on a social media type app, where I put uploaded content into a private bucket in Supabase. In order to display them in the app, I need generate a signed URL for them. I'm not that familiar with coding.

What would be the code for that? Would that be a custom action?

My code underlines "SupaFlow" and "Supabase" expressions in red, I'm not sure why, or how I would define those operations.

Thanks for help!

What have you tried so far?

tried looking up documentation
tried looking for similar posts and videos
merging code-pieces from various sources

Did you check FlutterFlow's Documentation for this topic?

Yes

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