Click "Reports"

Expand "Saved search"

Click "NEW"

Click "Transaction" in the list

Under "Filter" section, Add the following criteria

Select "Type" in the first column

Click on the next column to open a popup

Select "any of Invoice"

Click on "Set" button

Add a new criteria item "Main Line"

Click on the second column next to "Mainline". Set this criteria as "Yes"

Add a third row to filter table

Select "Days Overdue" in the first column

Click on the second column to set the value "Greater than or equal to" "10" as shown

Click on the fourth row and add the next filter

Click "Amount Remaining" from the list

Set "Amount remaining" field as "greater than" 0

Go to "Results" sub-tab

Remove fields you do not want in the email from the list

For eg: Click on "Tax Period" > Click "Remove"

Ensure the fields "Document Number", "Amount", "Date" etc are present

Next click on "Email" sub-tab

Enable "Send emails according to schedule", "Summarise emails"

Uncheck "Send if no results"

Click "Customize Message"

Click a subject text as well as introduction text

Click "Send as CSV" button to ensure that outstanding invoice list is attached as CSV

Uncheck "Include view Record Link"

Click "Schedule"

Select "Weekly Event" to send invoices once every week

Provide a new name to the automation for eg: "Send invoice overdue by 10 days"

Click "Save"