# Element: patterndb

## Location

/_patterndb_

## Description

The container element of the pattern database.

## Attributes

  * _version_ : The schema version of the pattern database. The current version is `4`.

  * _pubdate_ : The publication date of the XML file.




## Children

  * _ruleset_



## Example
```
       <patterndb version='4' pub_date='2010-10-25'>
    
```

Last modified July 15, 2023: [Patterndb chapter formatting fixes (f7dfdaa)](<https://github.com/axoflow/axosyslog-core-docs/commit/f7dfdaa0fa045e2ae66345dc5a1c70a179726476>)