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## The Workflow Agent Ping/Acknowledge Item Type

The Workflow Agent Ping/Acknowledge process is associated with an item type called Workflow Agent Ping/Acknowledge. Currently there are two workflow processes associated with Workflow Agent Ping/Acknowledge: Master Ping Process and Detail Ping Process.

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.

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 |

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