Go to your devices page and click on the Serial no. of the Olarm you wish to add a user too. This should take you to a new page that looks like this:
From here you will be able to add a user to an Olarm, please note they will need to have signed up for Olarm already either using the dashboard signup or the app. Click on the "+Add User" Button under the Users section:
You will then need to enter in the users email address or cellphone no. they used to signup with.
Once you have entered in their email address/cellphone no. then press "Submit" and the user will be granted access to the Olarm.
If you get the error displayed bellowed:
This means either the user hasn't signed up or you do not have the correct details, please try both Email address and Cellphone no.