Basic Automator Image Capture Plugin Question

I am trying to create a really simple Image Capture Plugin in Automator that lets me :
- select Images in image Capture
- Converts selected Images to HEIC
- Imports them to Photos
- Deletes the files (optional but preferable)

While I have created simple services before, I have not used Automator to create an IC plugin.
When I run this snippet within automator (after adding a "Get specified finder items " block at beginning, it imports the files fine.
However when I select images in Image...

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