How do I Send a Rent Due Invoice?

How do I Send a Rent Due Invoice?
Step 1 : Go to the Accounts Section
Step 2 : Click on Collect Rent
Step 3: Tick on the rent/rents you wish to email a reminder to
Step 4 : Click on Send Email
Step 4 : Select the Rent Due Invoice output
Step 4 : Click on Send/Send Selected if more than one is ticked