#### Classes for ResourceID Mapper Plug-in

The value of this attribute is a list of classes that generate identifiers for a resource offering configured for an organization or role. `com.sun.identity.liberty.ws.interfaces.ResourceIDMapper` is an interface used to map a user identifier to the resource identifier associated with it. The Discovery Service provides two implementations for this interface:

- `com.sun.identity.liberty.ws.disco.plugins.Default64ResourceIDMapper` (format: providerID + "/" + the Base64 encoded userIDs)

- `com.sun.identity.liberty.ws.disco.plugins.DefaultHexResourceIDMapper` (format: providerID + "/" + the hex string of userID)

Different implementations may be developed with the implementing class and added as a value of this attribute by clicking New and using the following format:

`providerid=`providerID`|`class_name_and_path``