Core TSIs : Invoices : Working with Invoices : Creating an invoice letter : Emailing invoice letters in bulk
Emailing invoice letters in bulk
In Planon ProCenter you can send multiple invoices in one go.
This feature uses bulk mail merge functionality. If you want to send invoice letters as PDF, make sure that on the Invoices business object the Save as PDF is set to Yes.
* 

•    You can set a default value for this field in Field definer or in Layouts .
•    In the mail merge report's Email subject field you can construct an expression to autopopulate email's Subject field.
1. Select a number of invoices in the elements panel and click Action on selection > Create invoice letter.
The Invoice letter dialog box appears.
2. Select the invoice date and click Email.
* 

•    If you click Print, all invoice letters will be downloaded as a zip file so that they can be printed locally.
•    If you click Create only, the invoice letters will be created, but will not be processed further.
Emails containing invoice letters are now sent.
In contrast to bulk emailing, you can also email a single invoice letter, in which case the Edit email option is also available.