How it works
Svix is used to dispatch events from Engage to a POST endpoint hosted by the Voyado Engage app.Read more about this service

- The customer opts-out from email marketing through an email sent to them from Voyado Engage.
- The change in their preferences triggers an encrypted event to Svix.
- Svix passes the event to the Voyado Engage app, where it is placed in a queue.
- The app decrypts the event payload and updates the customer’s preferences in Shopify
Prerequisites
There are some prerequisites before this will work:- The “Webhooks” module need to be enabled in Engage
- You need to have permissions to access the “Webhooks Dashboard“.
- You will have received a 32 character encryption key from your Voyado team
- You’ve made sure that all customers marketing preferences are in sync between Shopify and Engage
Setting it up
Here are the steps to follow:- Enter the Voyado Engage app for Shopify.
- Go to “Settings“ and scroll down to the section “Synchronize marketing preference changes from Engage to Shopify.”
- Enable the functionality by checking the box “Enable“.
- Input your Encryption key and select “Save”.

Setup in Shopify app
- Copy the webhook URL to your clipboard.
- Login into Voyado Engage and go to the “Webhooks Dashboard” in the Administration menu.
- In the top right corner, select “Add endpoint“.
- Paste in the webhook URL in the “Endpoint URL” field.
- Enable the events
contact.acceptsEmail.changedandcontact.acceptsSms.changedunder the section “Message Filtering”. - Select “Create“ and you are good to go!

Message Filtering
Email marketing options “Preselected“
If you have marketing options set to “Preselected“, you’ll have to activate this setting below in the Voyado Engage app. This is needed to sync the correct consent given in the checkout by the consumers.
Marketing options set to Preselected

Press Save