[Home](./index.md) > [puppeteer](./puppeteer.md) > [Protocol](./puppeteer.protocol.md) > [Network](./puppeteer.protocol.network.md) > [Initiator](./puppeteer.protocol.network.initiator.md) > [lineNumber](./puppeteer.protocol.network.initiator.linenumber.md) ## Protocol.Network.Initiator.lineNumber property Initiator line number, set for Parser type or for Script type (when script is importing module) (0-based). Signature: ```typescript lineNumber?: number; ```