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Message Parsing (XMP) and Data Mapping (DM) file pairs collect and normalize data from specific types of event sources. Most incoming native events pass through the parsing and then the mapping processes to create a reportable event that is inserted into the event log store. Events transmitted through SAPI or iTechnology do not require parsing, and proceed directly to the data mapping stage.
Note: To take full advantage of these advanced features, you need a thorough understanding of the raw and collected events in your environment, the target fields you want to parse, the regular expression syntax, the CEG, and DM and XMP files and how they parse events.
The XML-based XMP files read incoming raw event data and create name-value pairs, according to your specifications. DM files then map the events' name-value pairs assigned by message parsing into the common event grammar. When creating new parsing and mapping files, consider them as part of a process. For example, efficient and complete parsing allows quick and process-effective mapping.
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