Many times we have gone through with the requirement like to enter address in word document but if the address present into a multipline textbox in CRM then it will be visible as is. To solve this problem we required to insert the address in Multiline textbox in CRM using New Line character, but it is bit dificult to enter it through the Microsoft flow.
Below is the text and the image which need to be inserted in place of "\n".
Text is : json('{"NL":"\n"}')?['NL']
you can utilize it like the image given below.