Liferay has a multilanguage architecture and enables users to add content with many translations. Moreover, it gives users out-of-the-box functionality to change languages. Apart from this, the content portal also contains many labels that also have their own translation. It means that the Liferay design has a functionality in which it is possible to translate labels or fields. If we look into the sources (portal-impl/src/content), there are a lot of files with the following names: Language_en.properties, Language_de.properties, Language_pl.properties, and so on. The ISO 639-1 standard defines a set of possible codes for every language, such as en for English, de for German, and so on. The Liferay Portal supports up to 47 languages, which are defined in the portal-impl/src/portal.properties file called locales. Default translations do not always meet our expectations. Thus, in this recipe, we will show you how to change the existing labels using the hook plugin...