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## com.bea.content.expression
Interface PropertyProvider

All Known Implementing Classes:
  DefaultPropertyProvider

    public interface PropertyProvider

Interface defining a method to return a property value.

Method Summary
`Object` | `getProperty(String propertySetType, String propertySet, String propertyName)` Retrieve a property value as a string.

Method Detail

### getProperty

    Object getProperty(String propertySetType,
                       String propertySet,
                       String propertyName)
                       throws IllegalArgumentException

  Retrieve a property value as a string.

  Parameters
    `propertySetType` - the type of property set (user, request, session, event).
    `propertySet` - the name of the property set.
    `propertyName` - the name of the property.
  Returns
    the property value, or null.
  Throws
    `IllegalArgumentException` - if an arg is invalid or the PropertyProvider isn't configured for the specified args.

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