[Home](./index.md) > [puppeteer](./puppeteer.md) > [Protocol](./puppeteer.protocol.md) > [Runtime](./puppeteer.protocol.runtime.md) > [BindingCalledEvent](./puppeteer.protocol.runtime.bindingcalledevent.md) > [executionContextId](./puppeteer.protocol.runtime.bindingcalledevent.executioncontextid.md) ## Protocol.Runtime.BindingCalledEvent.executionContextId property Identifier of the context where the call was made. Signature: ```typescript executionContextId: ExecutionContextId; ```