MS Forms -> Dynamics 365 (Multiselect Options)

I solved this on my own. Probably not the most efficient way, but it works.

Parse JSON

Create two integer vars

Create an array var

Create two string vars

Put the Parse JSON in an array var

Switch on each value from the array

       if the value equals the case, store the value (crm field) into a string var but w/ a ', ' at the end

       default, store the value (crm field for 'other') into the string var & store the value into the other string var for 'other'

Set an integer var to the array length

Set the other integer var to the array length - 2 (removes that final ', '

substring 

profit