Phase Toolkit Send Application Send Description record data _EOD_ ACK The ACK returned by the custom application indicates that the record exists. If the record does not exist, an error message is sent. DISCOVER ACK Informs the custom application that the toolkit is attempting to perform a populate/discover task. record type ACK The record type (USER, GROUP, SYSPOL, RESOURCE, or ROLE) is sent. ACK must be returned. Always follows the DISCOVER command. attribute names _EOD_ ACK A list of attribute names that Tivoli SecureWay User Administration expects to receive when a record is received. FILTER ACK Tells the custom application to expect a filter for the DISCOVER command. This is optional. The Protocol 85 Tivoli®  SecureWay Application Management Toolkit Guide