# driver-filter

<driver-filter> is used to specify the event filter that is being used by a particular channel. It is generated from the DirXML-DriverFilter attribute on the DirXML-Subscriber or DirXML-Publisher object.

Example

See <init-params>

## 1. Allowed Content

> allow-class
>   Allow a class in the filter.

## 2. Attributes

> Attribute | Value(s) | Default Value
> --- | --- | ---
> type | publisher | subscriber Specifies the channel that the filter is for. | #IMPLIED

## 3. Content Rule

> ( allow-class ) *

## 4. Parent Elements

> init-params
>   Initialization parameters for a DriverShim/SubscriptionShim/PublicationShim.

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