# ShadowDiscriminatorExpressionEvaluatorType (Complex Type)

### Namespace: http://midpoint.evolveum.com/xml/ns/public/common/common-3

Expression based on selecting a specific projection.

Item Summary
Name | Type | Multiplicity | Description
--- | --- | --- | ---
description | property string | [0,1] | Free-form textual description of the object.
projectionDiscriminator | container ShadowDiscriminatorType | [0,1] | Shadow discriminator uniquely identifies a projection among other projections linked to the same focus.

- ### Items

  - #### description

    Flags: RAM,runtime

    Multiplicity: [0,1]

    Free-form textual description of the object. It is supposed to describe the object or a construct that it is attached to.

    Anything that the system administrator wants may be here. The system will not interpret the information except for displaying it and allow user to edit it.

  - #### projectionDiscriminator

    Flags: RAM,runtime

    Multiplicity: [0,1]

    Shadow discriminator uniquely identifies a projection among other projections linked to the same focus.