1. Under My Reviews, select the review you want to invite someone to. (If you are already working withing the review, click the All reviews button at the top of the page to get to this screen.)
2. Click Invite.
![Rayyan My Reviews tab, Invite button](https://libapps.s3.amazonaws.com/accounts/62523/images/Rayyan_invitereviewers.png)
3. Under Type, choose a role you want someone to fill.
- Collaborators have the same privileges you do as the review creator, except for deleting the review, inviting others to work on the review, or deleting batches of references they did not upload.
- Translators can view abstracts and translate them into other languages.
- Reviewers can screen articles for inclusion or exclusion.
- Viewers can only see the articles in the review.
4. Add the invitees' emails, separated by a comma. Include the reason they are being invited, if you like.
5. Click Invite.
![Rayyan Invite collaborator menu](https://libapps.s3.amazonaws.com/accounts/62523/images/Rayyan_invitept2.png)