I think you'll have to use Ruby: Iterate over [properties][additionalDetails] and if the string in key is the one you are looking for, fill the field EmailAddress with value.
It's similar to this: Ruby code for array iteration
I think you'll have to use Ruby: Iterate over [properties][additionalDetails] and if the string in key is the one you are looking for, fill the field EmailAddress with value.
It's similar to this: Ruby code for array iteration
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