# POST\_QUERY procedure **POST\_QUERY** procedure gets invoked for each row after data fetched from the database and before it is displayed to the user. You can use this procedure to populate any lookup meaning fields based on the lookup code/id values. If required, you can manipulate the data as per the business logic. All the parameters are of type *IN OUT*. --- # Agent Instructions: Querying This Documentation If you need additional information that is not directly available in this page, you can query the documentation dynamically by asking a question. Perform an HTTP GET request on the current page URL with the `ask` query parameter: ``` GET https://docs.cloudio.io/creating-datasources/working-with-datasources/creating-a-data-source/performing-dml-operations-using-stored-procedures/post_query-procedure.md?ask= ``` The question should be specific, self-contained, and written in natural language. The response will contain a direct answer to the question and relevant excerpts and sources from the documentation. Use this mechanism when the answer is not explicitly present in the current page, you need clarification or additional context, or you want to retrieve related documentation sections.