[Home](./index.md) > [puppeteer](./puppeteer.md) > [Protocol](./puppeteer.protocol.md) > [LayerTree](./puppeteer.protocol.layertree.md) > [CompositingReasonsResponse](./puppeteer.protocol.layertree.compositingreasonsresponse.md) ## Protocol.LayerTree.CompositingReasonsResponse interface Signature: ```typescript export interface CompositingReasonsResponse ``` ## Properties | Property | Type | Description | | --- | --- | --- | | [compositingReasonIds](./puppeteer.protocol.layertree.compositingreasonsresponse.compositingreasonids.md) | string\[\] | A list of strings specifying reason IDs for the given layer to become composited. | | [compositingReasons](./puppeteer.protocol.layertree.compositingreasonsresponse.compositingreasons.md) | string\[\] | A list of strings specifying reasons for the given layer to become composited. |