Once you have created a Relationship, you will need to add contacts (i.e. customers and vendors or suppliers) to it so that you can store all details in one place.
Let's create a new contact! 👩🏽💻
On your main navigation bar, click on the Relationships tab. From the list, select the relationship you wish to add a contact to by clicking on '+ Add a Contact'.
You will see this pop-up:
Fill in all the required contact details and then select 'Add Contact'.