Retrieve the most recent events for the specified campaign. Results will be
paged so it will be necessary to pass in PageNumber and PageSize to get
all events. PageSize has a maximum value of 100.
Possible event names that will be returned are: ‘Mail Piece Created’,
‘Addressed’, ‘Mailed’,'In Transit', 'In Local Area',
'Processed for Delivery', 'Returned To Sender', 'Re-Routed', ‘pURL Opened’
or ‘purl Completed’
Within the return data array, each event will have the following elements:
Integer contains the Campaign Drop Id of the object to retrieve
What page in the results to be returned.
The number of items per page. Max is 100.