# Package ch.qos.logback.core.filter

Contains base classes to the event filtering functionality of logback.

See: Description

Class Summary
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.