[Home](./index.md) > [@firebase/remote-config](./remote-config.md) > [Settings](./remote-config.settings.md) > [minimumFetchIntervalMillis](./remote-config.settings.minimumfetchintervalmillis.md) ## Settings.minimumFetchIntervalMillis property Defines the maximum age in milliseconds of an entry in the config cache before it is considered stale. Defaults to 43200000 (Twelve hours). Signature: ```typescript minimumFetchIntervalMillis: number; ```