[Home](./index.md) > [puppeteer](./puppeteer.md) > [Protocol](./puppeteer.protocol.md) > [Runtime](./puppeteer.protocol.runtime.md) > [ExecutionContextDestroyedEvent](./puppeteer.protocol.runtime.executioncontextdestroyedevent.md) > [executionContextId](./puppeteer.protocol.runtime.executioncontextdestroyedevent.executioncontextid.md) ## Protocol.Runtime.ExecutionContextDestroyedEvent.executionContextId property Id of the destroyed context Signature: ```typescript executionContextId: ExecutionContextId; ```