In Squire, choose which shop you are wanting to send out an engagement from.
Click on the engagement icon, which has the megaphone symbol.

Click on the blue "Create Campaign" button in the upper righthand side. 
Under "Select Campaign Type," most will be "Update."
Under "Select a Message Type," only select "Email" - unclick the others.

Make sure the logo and background photo is Chop branded, or that you use the Model Call image or Team Eagle Academy logo for the background photo (if using one of these two, x-out the Chop logo photo).
Click "Click to Edit" to add the subject of the campaign, i.e., Fade Models Needed, $10 Men's Cuts, etc.
Click "This text is editable...." to add any message regarding the campaign. At the end of message, add the language "To schedule your next appointment, book here," or something similar to go with your campaign.

To add a booking link to your campaign, open a new window and go to shop site, i.e., teameaglebarberacademy.com
Scroll down to "Book Now" and click.
Go back up to web address and mark the URL, right click, and copy the URL.
Go back to Squire campaign and in the language  "To schedule your next appointment, book here," hover over the word "here." A bar will pop up with symbols, the link symbol being the last one. Click on that and then paste the URL into the box.
Click the check mark ✔️ and hover over the word "here" again to confirm the URL is posted.

Once all of the above steps are completed, click on the blue "Review & Send" button on the top righthand side of screen. This will give you a look-see at what the campaign will look like. 
When you are satisfied with the way the campaign looks, click "Send Now."