[Home](./index.md) > [puppeteer](./puppeteer.md) > [Protocol](./puppeteer.protocol.md) > [LayerTree](./puppeteer.protocol.layertree.md) > [Layer](./puppeteer.protocol.layertree.layer.md) > [transform](./puppeteer.protocol.layertree.layer.transform.md) ## Protocol.LayerTree.Layer.transform property Transformation matrix for layer, default is identity matrix Signature: ```typescript transform?: number[]; ```