Merge command: [strheader-seoverificationtag ]
Merge variable/item: strheaderseoverificationtag

Comments:
It is a metatag codeline provided to you (only) for linking your website to the Analytics account of the external Provider (i.e. Google Search Console / Analytics). The setting is present on the website document in item seoVerificationTag.

Formula:
@text(strheaderseoverificationtag) or @text(head_seoVerificationTag)

Example:
< meta name="google-site-verification" content="12345ab9568f00e0b4798a42f779da0a"/ >