How to set order for deep linking?

Topic summary

Issue: A developer uses a deep link to insert an app theme extension block into the Shopify theme editor’s Footer but it always appears as the last item; they want it added first (at the top).

Context: Deep link format shown: https://${shop}/admin/themes/current/editor?template=cart&addAppBlockId=${appBlockId}/my_button&&target=sectionGroup:footer. Key parameters: addAppBlockId identifies the app block; target=sectionGroup:footer directs placement to the Footer section group.

Technical detail: “Deep linking” opens the theme editor to a specific template and adds an app block. Current behavior appends the block to the end of the Footer’s blocks list. No parameter for ordering is indicated in the example.

Outcome/Status: No solution or guidance is provided in the discussion. The core question remains unanswered: is there a way to control the insertion order (e.g., set position/index) when adding a block via deep link?

Open questions: Whether a supported URL parameter or API exists to specify block placement order in section groups.

Summarized with AI on December 15. AI used: gpt-5.

I am doing a deep link to add my app theme extension block into the Footer.

I do it with link like:

https://${shop}/admin/themes/current/editor?template=cart&addAppBlockId=${appBlockId}/my_button&&target=sectionGroup:footer

It adds it to Footer, but as the last place in footer, I would like it to be added first