When you open a conversation in Intercom, and contact does not exist in Pipedrive, you will be presented with the following app screen:

Click Create Person and you will be directed to the next screen where you can enter the contacts name. Please note, the user’s email is not editable as it is tied to the Intercom email address.

When you are ready, click Create Person and you will receive a success message:

Click Done and your Inbox will update to show the Pipedrive Contact Card: