- <add>civicrm/admin/custom/group?action=add&reset=1</add>
- <update>civicrm/admin/custom/group?action=update&reset=1&id=[id]</update>
- <preview>civicrm/admin/custom/group?action=preview&reset=1&id=[id]</preview>
- <delete>civicrm/admin/custom/group?action=delete&reset=1&id=[id]</delete>
+ <add>civicrm/admin/custom/group/edit?action=add&reset=1</add>
+ <update>civicrm/admin/custom/group/edit?action=update&reset=1&id=[id]</update>
+ <preview>civicrm/admin/custom/group/preview?reset=1&gid=[id]</preview>
+ <delete>civicrm/admin/custom/group/delete?reset=1&id=[id]</delete>