# .NET Plugins

SanteDB allows developers to extend functionality on the iCDR or dCDR by implementation of .NET plugins. A .NET plugin allows developers to:

* Modify the core data structures in the iCDR or dCDR using update files
* Writer higher performing business rules and triggers on CDR events.
* Write custom behaviors for matching, patching, queueing, etc.

## Topics

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[Plugin Libraries](/developers/server-plugins/authoring-plugins.md)
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[Plugin Metadata](/developers/server-plugins/plugin-metadata.md)
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[Host Context & Lifecycle](/developers/server-plugins/santedb-host-context.md)
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[Business Model Objects](/developers/server-plugins/business-model-objects.md)
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[Services & Configuration](/developers/server-plugins/implementing-.net-features.md)
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[Database Patching](/developers/server-plugins/database-patching.md)
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[Custom Match Algorithms](/developers/server-plugins/custom-algorithms.md)
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[Unit Testing Framework](/developers/server-plugins/unit-testing-framework.md)
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[Service Definitions](/developers/server-plugins/implementing-.net-features/service-definitions.md)
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[Digital Signing Requirements](/developers/server-plugins/digital-signing-requirements.md)
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