In order to pull Certain Platform registrants into Touchpoint as attendees, the desired registration statuses need to be tagged with a "Touchpoint: Synced" tag.
Create the "Touchpoint: Synced" tag under the account settings:
1. Browse to Account Settings
2. Under the Management menu, click on Tags
3. On the Tags setup page > Add Tag section, type in the text for the Name and Label field as Touchpoint: Synced, and then select Registration Statuses for the Object.
Using "Touchpoint: Synced" on default registration statuses:
Under Account Settings > Management, select Registration Statuses. Edit the desired statuses and assign the "Touchpoint: Synced" tag.
Using "Touchpoint: Synced" on custom registration statuses:
For event level custom statuses, select Plan > Custom Statuses. Click the pencil icon to edit and add the "Touchpoint: Synced" tag to the statuses that need to be pulled over to Touchpoint.