A customer can be a member of one or multiple groups, which can be displayed on a page. Below are examples of Smarty code that display the group IDs or names that the customer is a member of:

group_ids

{{$customer.group_ids}}

Output:
Array
(
    [0] => 3
    [1] => 6
    [2] => 7
)

group_names

{{$customer.group_names}}


Output:
Array
(
    [0] => Group 1
    [1] => Group 3
    [2] => Group 4
)

Foreach loop

{{foreach $customer.group_names as $groupname}}
    {{$groupname}}
{{/foreach}}

Output:
Group1
Group3
Group4

If-statement

{{if "Newsletter"|in_array:$customer.group_names}}
    You are subscribed to our newsletter!
{{else}}
   You aren't subscribed to our newsletter, click here to subscribe!
{{/if}}

Output:
You are subscribed to our newsletter!