[net](../../index.md) / [com.drake.net.okhttp](../index.md) / [okhttp3.OkHttpClient.Builder](index.md) / [onError](./on-error.md)

# onError

`fun Builder.onError(block: `[`Throwable`](https://kotlinlang.org/api/latest/jvm/stdlib/kotlin/-throwable/index.html)`.() -> `[`Unit`](https://kotlinlang.org/api/latest/jvm/stdlib/kotlin/-unit/index.html)`): <ERROR CLASS>`

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