[Home](./index.md) > [@firebase/messaging](./messaging.md) > [FcmOptions](./messaging.fcmoptions.md) ## FcmOptions interface Signature: ```typescript export interface FcmOptions ``` ## Properties | Property | Type | Description | | --- | --- | --- | | [analyticsLabel?](./messaging.fcmoptions.analyticslabel.md) | string | (Optional) | | [link?](./messaging.fcmoptions.link.md) | string | (Optional) |