array recipient.fetchModifedRecipients ( string timestamp, array profileDescriptions, int limit, int start )
Fetch recipients and their profile data which have been updated since the provided timestamp.
The method will check for updates to the recipient, and the profiles included in profileDescriptions.
Datetime string in an ISO 8601 compliant format, eg. yyyy-mm-dd hh:mm:ss
Maximum number of records to return.
Start position for fetching paginated results.
Returns an indexed array of associative arrays.
Each record will contains details of the recipient including its update timestamp; the requested profile fields; and an update timestamp for each of the requested profiles.