# UnknownPropertyException

open class UnknownPropertyException : InvalidUserDataException(source)

The exception that will be thrown when an attempt is made to read a property that is not set.

#### Since

1.0

## Constructors

UnknownPropertyException
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constructor(extension: ExtraPropertiesExtension, propertyName: String)
Creates a new `UnknownPropertyException`.

## Properties

cause
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open val cause: Throwable
stackTrace
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open var stackTrace: Array<StackTraceElement>

## Functions

addSuppressed
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fun addSuppressed(exception: Throwable)
createMessage
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open fun createMessage(propertyName: String): String
Create message.
fillInStackTrace
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open fun fillInStackTrace(): Throwable
getLocalizedMessage
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open fun getLocalizedMessage(): String
getMessage
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open fun getMessage(): String
getSuppressed
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fun getSuppressed(): Array<Throwable>
initCause
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open fun initCause(cause: Throwable): Throwable
printStackTrace
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open fun printStackTrace()
toString
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open fun toString(): String