You can add variable or regular marks by following the same process.
$[compound]
variable mark to print more than one mark on a single line.Note:
If creating independent PDF marks files to be used in an imposition or layout application like PREPs or Pandora, marks PDFs must be saved with all fonts embedded and no font subsetting. To prevent subsetting when saving from Adobe Creative Cloud applications, save the PDF with the setting: "Advanced: Fonts : Subset fonts when percent of characters used is less than: 0%