Import question regarding Single Listing Gallery custom field name & values

I’m using WP All Import to move my clients listings from another plugin, to yours (quite a lot), and I’m able to map it out easily enough, but I have trouble assigning images as values to the image gallery custom field (wre_listing_image_gallery).

Is that the correct custom field? Because I’m moving one gallery (collection of img) to another, I should just be able to “point them in the right direction.” UNLESS I’m wrong about that field… no? AM I?

Thanks for any assistance.

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