Click on the aside menu Contracts link and on the left side there is a button New Contract.
After you create the initial contract with all the necessary information you can add contract content to be shown on PDF.
The text/content inside the editor will be compiled into a PDF and you can easily send this PDF to the customer by clickin on the top right envelope icon.
You need to click on the green Save Contract button in order to save the contract content..
Attachments area optional. If you upload file also this file will be visible to the customers side and the customer can download the contract.