Update a Contacts' List Box field value

I was trying to update a certain list box value for a contact via the API.

I have done this before for a Deal custom field. In that case I had to pass it as an array. That was fine.

However, for a Contact fieldValue, I found out I had to post the value as “||TheActualValue||” to properly update it.

I didn’t find this in the docs, and it seems a bit hacky to me. Is there another way? Or is this the way?

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I realize this is a strange syntax, but you are correct in the way you’re using it. Thank you for showing me where we can improve our documentation! I will add this to a list of improvements we are actively making.