There is a need to restrict the control of actions to groups of users.
I.e give users the ability to create trigger actions for themselves. For example, sending notifications for those problems to which he has access

Potentially, this can be expanded to the ability to create users (including those with a role based on the super-admin) who are given access to a subset of entities to which the "parent" user has access. That is, for example, within one Zabbix instance there are different departments or geographically dispersed divisions. The monitoring system administrator creates a super user but limits his sphere of influence to groups of hosts and people. Now this user can also create other users, but give them access no more than his own. That is, this user can create accounts for his subordinates \ for his office