The general format of a data retrieval request document looks as follows:
- <queries> tag: This is the root element of a retrieval request document. It includes the connection-pool attribute indicating the pool from which to retrieve the data. The value of the connection-pool attribute should always be pw. The children of the <queries> tag are the actual queries to perform. They are identified by the <free-query> tag, which allows a free text query.
- <free-query> tag: This tag holds information on the actual query to perform. You can list several <free query> tags under one <queries> tag to perform in serial or parallel mode.