1

After logging Log into the system (link to muni), go to the organization (e.g. Masaryk University).
This is possible through the Access management item, where you find and select Identity and Access management system Web interface and go to Access management (the left-hand side menu).
Find the Virtual Organization via the Filter by name field and click on the row with the organization.

...

2

Select Groups.

...

3

click Click on the group to which you want to add a new member.

...

Search for the user you want to add via the Search user by name, login or email field.
Then select it check the radio button and choose Add.

...

7

If you want to check the addition of a user, just search for it in the current group via the Search user by name, login or email field.

...