If the header is defined outside the current table definition, you must reference it by its path in the template store. Headers in the definition are laid out from top to bottom in the same order that ...

What does HTTP header actually mean? Find out inside PCMag's comprehensive tech and computer-related encyclopedia.

What does email header actually mean? Find out inside PCMag's comprehensive tech and computer-related encyclopedia.

If header-name is a single-level name, the header definition must occur within the current column definition. variable specifies the name of a variable that you declare with the DYNAMIC, MVAR, or ...