--- title: IsDevelopment description: Reports whether the current running environment is “development”. categories: [] keywords: [] action: related: [] returnType: bool signatures: [SITE.IsDevelopment] expiryDate: 2024-10-30 # deprecated 2023-10-30 --- {{% deprecated-in 0.120.0 %}} Use [`hugo.IsDevelopment`] instead. [`hugo.IsDevelopment`]: /functions/hugo/isdevelopment {{% /deprecated-in %}} ```go-html-template {{ .Site.IsDevelopment }} → true/false ```