<?php //getShortDescription.a%253A3%253A%257Bi%253A0%253Bs%253A33%253A%2522App%255CEntity%255CAttachments%255CAttachment%2522%253Bi%253A1%253Bs%253A13%253A%2522external_path%2522%253Bi%253A2%253Ba%253A0%253A%257B%257D%257D

return [PHP_INT_MAX, 'The path to the external source if the file is stored externally or was downloaded from an
external source. Null if there is no external source.'];