[android-components](../../index.md) / [mozilla.components.support.migration](../index.md) / [java.lang.Exception](index.md) / [uniqueId](./unique-id.md)

# uniqueId

`fun `[`Exception`](https://kotlinlang.org/api/latest/jvm/stdlib/kotlin/-exception/index.html)`.uniqueId(): `[`String`](https://kotlinlang.org/api/latest/jvm/stdlib/kotlin/-string/index.html) [(source)](https://github.com/mozilla-mobile/android-components/blob/master/components/support/migration/src/main/java/mozilla/components/support/migration/Exception.kt#L10)

Returns a unique identifier for this [Throwable](https://kotlinlang.org/api/latest/jvm/stdlib/kotlin/-throwable/index.html)

