We created web scenario inside a template
This template is applied to 10 hosts that are splitted into two groups.

We can see within Monitor > Web that the ten hosts are running fine the Web scenario

In the template we have created a critical trigger on web scenario fail step condition (<> 0)

The idea is to be able to list the availibility of this trigger in the Report > Availiability section

If we are using the "per host" filter we can see our 10 host on page x (depending on the trigger name as the screen is list by trigger name ASC)

If we change the view per trigger template, we can select our template and then the trigger created inside the template BUT only one result is shown from ONE host. Indeed, the host groups select box is containg only one group instead of all groups where the template is used !!