You can quickly add one recipient by selecting the Send Communication feature in the top header of the platform. This will add the recipient to your campaign and be sent via the delivery methods set at the campaign
Select the Send Communication button in the header of your web browser (or bottom menu on mobile)
Select the Campaign that you would like to send
Search or create a new recipient. Additionally you can select the add multiple option, this will bring you to the audience selection page of the campaign.
Select Add to Campaign
The added recipients will be sent the communication.