A referral can be sent to someone that isn’t registered on the Tribepad platform. On a job post, any user (both job seeker and hiring manager) can click ‘Refer a friend for this job’ to send an email invitation:

The user can keep track of the referrals they have sent by clicking ‘Go to referral section’ from the popup, or from the ‘Jobs’ drop-down menu.

From here, you can view the referrals you sent and who you sent them too, as well as your ‘invited candidates’ for certain job posts: