Select Create Security Key Pair on the right side of the page, then confirm your action by selecting Yes.
Select Show in the Private Key column to reveal your API key. Copy this key or write it down—you'll need to enter it in Segments as requested above (in Step 4).
In Segments, start syncing the segments that you’d like to use in Postscript. We’d recommend syncing a) At risk loyals b) Churned customers c) Most likely to buy
Sending a SMS to each of the above will kick start any SMS program.
Once the above process is completed, navigate to PostScript.
In Postscripts navigate to
Messaging → Click Segments
Set up the synced contact lists from the Segments app by searching for the Customer tag name(s) (you can find the tag name in the Segments app by clicking into any segment you’ve synced and copying the tag name exactly
For example, for Active Loyals in the screenshot below your Segment name will [segments - yourstorename] active loyals.