Click on "My Organizations"
Click here to access the organisation's page
Click on "Members" to access the organisation's members page
Click on "Invite member"
Enter the invited user's email
Click on "Member"
Choose the user's role and authority in the organisation
Choose if you want the user to access all collections (Knowledge Bases) or specific ones
In case of specific collections access, choose the collection the user will have access to
Click on "Invite" to send the invitation
You can revoke an invitation by clicking on this bin icon next to user's email to revoke