Symptoms

How to include SharePoint list item attachments to a task event notification or email event?

Diagnoses

There may be multiple methods to achieve this functionality, this is one possibility.

Resolution
 

Please follow these steps:

1. Register a Sharepoint Content service instance if it does not exists.

2. Create a Smartobject from your List.
3. In your process, call the Smartobject's Get Attachments method by dropping File property in the Attachment field of your client eventemail event.
4. The method expects a Number data type, so use List Item ID from the process XML.
5. Make sure to select "Return all items that match filter".