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# Condition builder

## Docs

- [Condition builder overview](https://zuora.ferndocs.com/docs/platform/extensibility/events-and-notifications/condition-builder/condition-builder-overview.md): Describes the UI elements and basic concepts of the condition builder.
- [Add conditions and groups](https://zuora.ferndocs.com/docs/platform/extensibility/events-and-notifications/condition-builder/add-conditions-and-groups.md): Learn how to use condition builder to add conditions and groups for custom events or custom filters for notification definitions.
- [Available comparison operators](https://zuora.ferndocs.com/docs/platform/extensibility/events-and-notifications/condition-builder/available-comparison-operators.md): Provides available comparison operators for the condition builder, including value examples.
- [Examples of conditions for common use cases](https://zuora.ferndocs.com/docs/platform/extensibility/events-and-notifications/condition-builder/examples-of-conditions-for-common-use-cases.md): Provides examples and explanations of conditions for common use cases.