[Home](./index.md) > [puppeteer](./puppeteer.md) > [Protocol](./puppeteer.protocol.md) > [Emulation](./puppeteer.protocol.emulation.md) > [SetVirtualTimePolicyResponse](./puppeteer.protocol.emulation.setvirtualtimepolicyresponse.md) ## Protocol.Emulation.SetVirtualTimePolicyResponse interface Signature: ```typescript export interface SetVirtualTimePolicyResponse ``` ## Properties | Property | Type | Description | | --- | --- | --- | | [virtualTimeTicksBase](./puppeteer.protocol.emulation.setvirtualtimepolicyresponse.virtualtimeticksbase.md) | number | Absolute timestamp at which virtual time was first enabled (up time in milliseconds). |