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There is the selector “RON“. When false, a Publisher may choose ad units that must be included in the Order (See option “GAM Units“). This is a dynamic option, HBM retrieve the full ad unit list via API link.
When “RON“ = true, a Publisher can’t select ad units. They must be added manually on the next step, creation of the HBM “Site“ entity.
RON Orders might be re-used multiple times for multiple sites within a single GAM account
Manual Order might be used only once.