[android-components](../../index.md) / [mozilla.components.service.experiments.debug](../index.md) / [ExperimentsDebugActivity](index.md) / [UPDATE_EXPERIMENTS_EXTRA_KEY](./-u-p-d-a-t-e_-e-x-p-e-r-i-m-e-n-t-s_-e-x-t-r-a_-k-e-y.md)

# UPDATE_EXPERIMENTS_EXTRA_KEY

`const val UPDATE_EXPERIMENTS_EXTRA_KEY: `[`String`](https://kotlinlang.org/api/latest/jvm/stdlib/kotlin/-string/index.html) [(source)](https://github.com/mozilla-mobile/android-components/blob/master/components/service/experiments/src/main/java/mozilla/components/service/experiments/debug/ExperimentsDebugActivity.kt#L48)

Fetch experiments from the server and update the active experiment if necessary.

