Syncing Clay Text Field to Hubspot Custom Property - Step-by-Step Guide

Hey! How do I sync a newly created text field back into a custom Hubspot property? This is what I did in Clay:

In Hubspot, I created the custom property “Talks about”. Now, how do I map and sync that? Here’s the clay table https://app.clay.com/workspaces/228831/tables/t_AcJAxYiOwgtM/views/gv_xuHtjle0TZqW