# Package ch.qos.logback.core.filter

Contains base classes to the event filtering functionality of logback.

See: Description

Class Summary
Class | Description
--- | ---
AbstractMatcherFilter<E> |
EvaluatorFilter<E> | The value of the `AbstractMatcherFilter.onMatch` and `AbstractMatcherFilter.onMismatch` attributes is set to `FilterReply.NEUTRAL`, so that a badly configured evaluator filter does not disturb the functioning of the filter chain.
Filter<E> | Users should extend this class to implement customized event filtering.

## Package ch.qos.logback.core.filter Description

Contains base classes to the event filtering functionality of logback.