1. Click on the Tandem Plugin, you will see a drop down with an option to 'Create Shared Label'
2. Click on 'Create Shared Label'
3. Type the name of the shared label.
4. When you press 'Enter'/'Create' you will see a pop up as shown below.
5. You can add collaborators for the shared label
6. The added collaborator is shown below.
6. When you now close the window you will see that the label 'Project A' is available in your label list.
7. Also your collaborator will get an email to accept the label invite AND will also have the same notification on his Tandem Plugin. He/She can either click the green button here or accept the email invite.
Note : If you are testing on one system logged on to multiple users, you might have to reload the page to see the notification on the plug in.