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To view the details of the Workflow Agent Ping/Acknowledge item type in the Workflow Builder, choose Open from the File menu. Then connect to the database and select the Workflow Agent Ping/Acknowledge item type, or connect to a file called wfping.wft in the <ORACLE_HOME>\wf\Data\<language> subdirectory on your file system.

If you examine the property page of Workflow Agent Ping/Acknowledge, you see that it has a persistence type of Temporary and persistence number of days of 0. This means that the runtime data associated with any work items for this item type are eligible for purging as soon as they complete.

The Workflow Agent Ping/Acknowledge item type also has several attributes associated with it. These attributes reference information in the Workflow application tables. The attributes are used and maintained by function activities as well as event activities throughout the process. The following table lists the Workflow Agent Ping/Acknowledge item type attributes.

Display Name	Description	Type	Length/Format/Lookup Type
To Agent	The inbound agent that receives the event message, in the format <agent>@<system>	Text
Event Name	The internal name of the event	Text
Out Agent	The outbound agent that sends the event message, in the format <agent>@<system>	Text
Event Key	The event key that uniquely identifies the specific instance of the event	Text
Event Message	The event message	Event