To invite member to your organization,
1. Navigate to Organization.
2. Click on the Add button in the top Right corner
3. Enter the Personnel Details for the member you want to add to the organisation. Along with the permission you want to give the Member. 
None - The member will have no permission to view nor edit the device in the organisation.
View Only - The member will only have permission to view devices in the organization.
Edit- The Member will have permission to view and also make device level changes to device in the organization.
Admin - This member will have permission to view, edit device details, delete devices, and also Admin permissions to add/remove members to the organization.
4. Click on Invite button to send an invitation Email to the customer, inviting them to join the organization. 