Manage access to all Organisations a user is involved in and assign the appropriate role in each oneClick on the avatar in the upper right-hand corner and open the Practice Staff page.
Next to the respective user, click on the

button and select Manage Organisation Access:

Tick the checkboxes next to the Organisations to which you want to invite a user and assign the appropriate role. Then click on UPDATE:

The user needs to accept the invitation to the Organisations:
