ezdev
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Update v.1.6
- Added Brightness settings for filter
- Added Remove Filter action
All updates are for custom UI element.
If you don’t want to overcomplicate things, just use the state Image base64, it can be saved in database in a image field 
Use the action Download and choose Base64 in the action type, you will see there a small documentation that explains it.
So your workflow could look like this:
- Run download action
- Event Base64 ready is triggered
2.2 Save the Image base64 in the database.