Solved! Go to Solution.
If Comments-History is empty:
If not (Default):
I saw this recently in another thread - Sandy provides a full explanation on how to create this token with simple step-by-step instructions in his blog: http://blog.teknkl.com/dark-mkto-alleys-line-break-token/
Posted data will overwrite (provided updates are not blocked) the existing value for a field, not append to the value. That's why you use the flow step to append to the history field.