[Home](./index.md) > [@empathyco/x-components](./x-components.md) > [HistoryQueriesMutations](./x-components.historyqueriesmutations.md) > [setSessionTimeStamp](./x-components.historyqueriesmutations.setsessiontimestamp.md) ## HistoryQueriesMutations.setSessionTimeStamp property Sets the [HistoryQueriesState.sessionTimeStampInMs](./x-components.historyqueriesstate.sessiontimestampinms.md) property. **Signature:** ```typescript setSessionTimeStamp: (timeStamp: number) => void; ```