Hi,If you click on the "Edit Expression" in the dynamic path, you can edit the expression as shown below:  

You can view all the schemas created by moving to Administration > Development > Diagnosis > Data Schemas and you can search by selecting the option "Display all schemas"

Hi , You can declare a content block which points to which variant to use. So the content block will accept the country and return the language preferences. Attaching the image of delivery template variant where the content block needs to be provided.  

Hi Terry, The landing page is usually linked to a delivery. Based on the branding of the delivery, the landing page URL gets changed automatically. For unsubscribing email channel instead of any service, you can follow the below steps:1. Create a new acquisition landing page2. Add a new hidden field...

I too faced similar issue but later figured out that when we don't login as the message center agent and issue the soap request, then i got this "Event Not covered error". Once i changed the login to the message center agent and changed the appropriate session and security token and then issued the ...