How to create a Slur Note in Piano Roll in Studio One2 ?

How to create a Slur Note in Piano Roll in Studio One2 ?

May I please ask how do i create a Slur Note in Piano Roll in Studio One2? I'm trying to compose a music that has electric guitar and I want to add a slur note --like that sound produced when you bend a string in your electric guitar (or a portamento in keyboard)