---
title: "What's new in the pattern database format V5"
url: "https://axoflow.com/docs/axosyslog-core/4.28/chapter-parsers/chapter-patterndb/reference-parsers-pattern-databases/what-is-new-patterndb-v5/"
last_modified: "2023-06-27T21:08:08+02:00"
---

> For the complete documentation index, see [llms.txt](https://axoflow.com/docs/axosyslog-core/4.28/llms.txt).

# What's new in the pattern database format V5

The V5 database format has the following differences compared to the V4 format:

- The `<ruleset>` element can now store multiple reference URLs using the new `<rule_urls>` element. For details, see [Element: ruleset](https://axoflow.com/docs/axosyslog-core/4.28/chapter-parsers/chapter-patterndb/reference-parsers-pattern-databases/reference-patterndb-schemes/patterndb-scheme-ruleset/index.md).
- In an `<action>`, you can now initialize a new context. As a result, the `<message>` element is not required. For details, see [Element: create-context](https://axoflow.com/docs/axosyslog-core/4.28/chapter-parsers/chapter-patterndb/reference-parsers-pattern-databases/reference-patterndb-schemes/patterndb-scheme-create-context/index.md).
- The `inherit-properties` attribute is deprecated, use the `inherit-mode` attribute instead. For details, see [Element: action](https://axoflow.com/docs/axosyslog-core/4.28/chapter-parsers/chapter-patterndb/reference-parsers-pattern-databases/reference-patterndb-schemes/patterndb-scheme-action/index.md).

Last modified June 27, 2023: [Update paths to follow-up moving the files (6585a5b1)](https://github.com/axoflow/axosyslog-core-docs/commit/6585a5b156244e39bb831bf4e8289529f30dea0f)