To configure this module, you need to:

#. Go to *Invoicing > Configuration > Payment Modes* and create a payment mode, if you wish.

#. Go to *Invoicing > Customers > Customers* and create a new record as follows:
    * Name: Test customer 1
    * Email: customer1@test.com

#. Go to *Invoicing > Customers > Customers* and create a new record as follows:
    * Name: Test customer 2
    * Email: (empty)
