• Please log in into the Perun system and then go to the VO Manager section.

• On the left panel please click on Select VO. Now you can see the list of the VOs under your administration.
• Now you can click at the VO name, where would you like to invite new users. There will appear new panel with desired VO settigns.
• In the Overview bookmark please click on the Invite user button.

• Please fill the Email or optionally the Name into the showed up form. Then choose the Language of the invitation.

• Formular/Invitation will be sent by clicking at Send invitation button.
• Desired user will then receive email with similar structure such as below:

Dear user,

administrator of Virtual Organization (VO) xyz invites you to use
sources assigned to this VO. 
To become a member of VO, you must fill in an application. 
You must authenticate yourself using one of the following options:

FEDERATION:
https://einfra.cesnet.cz/fed/registrar/?vo=VO_xyz
CERTIFICATE:
https://einfra.cesnet.cz/cert/registrar/?vo=VO_xyz

You can see your application state in "Applications" section at:

https://einfra.cesnet.cz/fed/registrar/?vo=VO_xyz&page=apps

You will be notified by another mail once your application approved.

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Administrator VO_xyz