Query IDs 

Definition

An additional identification to the tracking ID that you can also use to address an event handler so that you can send queries to SAP Event Management (SAP EM).

Examples of query IDs are a sales order number or a purchase order number.

Use

In Customizing for the application system you specify query IDs so that you can use information that you know as search criteria when you make queries to SAP EM.

SAP EM uses the query ID to find the event handler that matches your search query.

For example, you have defined the sales order number and the delivery number as query IDs in Customizing for the application system. The customer only knows the sales order number, whereas the sales representative knows the sales order number and the delivery number. Both parties can query the event handler status in the Internet using the sales order number, for example.