Does a new theme retain domain verification code on Facebook?

Topic summary

A user is asking about Facebook domain verification when switching Shopify themes.

Core Question:
When installing a new theme from an external website, does the Facebook domain verification code (previously added to theme.liquid’s <head> section) automatically carry over?

Specific Concern:
The user wants to know if they need to manually re-add the verification code to the new theme’s <head> section, or if it will be retained by default when publishing the new theme.

Status: The question remains unanswered with no responses yet.

Summarized with AI on November 16. AI used: claude-sonnet-4-5-20250929.

when we have verified our domain for facebook in theme.liquid code so when we add a new theme downloaded from a website and then publish it so will it have that domain code by default in it or not do we have to put it in to code again???

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