//[docs](../../index.md)/[dev.inmo.tgbotapi.extensions.utils.formatting](index.md)/[underline](underline.md) # underline [common] Content inline fun [EntitiesBuilder](-entities-builder/index.md).[underline](underline.md)(parts: [List](https://kotlinlang.org/api/latest/jvm/stdlib/kotlin.collections/-list/index.html)<[TextSource](../dev.inmo.tgbotapi.CommonAbstracts/-text-source/index.md)>) inline fun [EntitiesBuilder](-entities-builder/index.md).[underline](underline.md)(vararg parts: [TextSource](../dev.inmo.tgbotapi.CommonAbstracts/-text-source/index.md)) inline fun [EntitiesBuilder](-entities-builder/index.md).[underline](underline.md)(text: [String](https://kotlinlang.org/api/latest/jvm/stdlib/kotlin/-string/index.html)) infix fun [String](https://kotlinlang.org/api/latest/jvm/stdlib/kotlin/-string/index.html).[underline](underline.md)(parseMode: [ParseMode](../dev.inmo.tgbotapi.types.ParseMode/-parse-mode/index.md)): [String](https://kotlinlang.org/api/latest/jvm/stdlib/kotlin/-string/index.html)