Within Grin, you can add a tag to your prospects in order to keep them more organized.
Step 1: Go into the "Contacts" section.
Step 2: Select "Prospects".
Step 3: Select the prospect(s) that you want to tag.
Step 4: Select the blue check mark in the right corner.
Step 5: Choose "Add Tags" and select the tag you want to apply.
To learn how to add influencers into "Prospects", click here.