To add a CTA button to your post:

1.  Go to the compose window and select the Google Business Profile channel to start drafting your post.
   
2. Click the G icon from your compose screen and select a CTA button from the pop-up that appears: Learn More, Sign Up, Order Online, Book, or Buy. Enter the link to a website.
   
   
   
   
3. Click Add to add the link. 
   

To add an event to your post:

1. Go to the compose window and select the Google Business Profile channel to start drafting your post.
   
2. Click to add an event to the listing.
   
3. Provide details such as the title, event description, and event start and end date.

4. Click Done to add the event to the listing. 

The event title is mandatory, and the event start date must be before the event end date.