[Home](./index.md) > [puppeteer](./puppeteer.md) > [Protocol](./puppeteer.protocol.md) > [Runtime](./puppeteer.protocol.runtime.md) > [ExecutionContextCreatedEvent](./puppeteer.protocol.runtime.executioncontextcreatedevent.md) ## Protocol.Runtime.ExecutionContextCreatedEvent interface Issued when new execution context is created. Signature: ```typescript export interface ExecutionContextCreatedEvent ``` ## Properties | Property | Type | Description | | --- | --- | --- | | [context](./puppeteer.protocol.runtime.executioncontextcreatedevent.context.md) | [ExecutionContextDescription](./puppeteer.protocol.runtime.executioncontextdescription.md) | A newly created execution context. |