[android-components](../../index.md) / [org.mozilla.telemetry.measurement](../index.md) / [SessionDurationMeasurement](index.md) / [recordSessionStart](./record-session-start.md)

# recordSessionStart

`open fun recordSessionStart(): `[`Unit`](https://kotlinlang.org/api/latest/jvm/stdlib/kotlin/-unit/index.html) [(source)](https://github.com/mozilla-mobile/android-components/blob/master/components/service/telemetry/src/main/java/org/mozilla/telemetry/measurement/SessionDurationMeasurement.java#L30)