I thought you might be interested in looking at Check to see if a map is inside inventory.
https://forums.bohemia.net/forums/topic/222986-check-to-see-if-a-map-is-inside-inventory/?do=findComment&comment=3351718
× Pasted as rich text. Restore formatting
Only 75 emoji are allowed.
× Your link has been automatically embedded. Display as a link instead
× Your previous content has been restored. Clear editor
× You cannot paste images directly. Upload or insert images from URL.