# Your First iOS and SwiftUI App · Strings | raywenderlich.com

**URL:** <https://forums.kodeco.com/t/your-first-ios-and-swiftui-app-strings-raywenderlich-com/82609>\
**Category:** 🎓 Courses & Articles\
**Created:** [September 23, 2019, 8:33am UTC](https://forums.kodeco.com/t/your-first-ios-and-swiftui-app-strings-raywenderlich-com/82609 "2019-09-23T08:33:25Z")\
**Posts on this page:** 3\
**Page:** 1

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**Author:** ![rwenderlich](https://assets.chunter.kodeco.com/user_avatar/forums.kodeco.com/rwenderlich/32/108604_2.png) [@rwenderlich](https://forums.kodeco.com/u/rwenderlich)\
**Post date:** [September 23, 2019, 8:33am UTC](https://forums.kodeco.com/t/your-first-ios-and-swiftui-app-strings-raywenderlich-com/82609/1 "2019-09-23T08:33:25Z")

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This is a companion discussion topic for the original entry at [https://www.raywenderlich.com/4919757-your-first-ios-and-swiftui-app/lessons/18](https://www.raywenderlich.com/4919757-your-first-ios-and-swiftui-app/lessons/18)

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**Author:** ![vgadkari](https://assets.chunter.kodeco.com/user_avatar/forums.kodeco.com/vgadkari/32/81494_2.png) [@vgadkari](https://forums.kodeco.com/u/vgadkari)\
**Post date:** [April 22, 2020, 4:51pm UTC](https://forums.kodeco.com/t/your-first-ios-and-swiftui-app-strings-raywenderlich-com/82609/2 "2020-04-22T16:51:17Z")

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Why did you use self.$sliderValue when creating the slider but you used self.sliderValue without the state reference in the banner text? Why is it different?

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**Author:** ![hamna](https://assets.chunter.kodeco.com/user_avatar/forums.kodeco.com/hamna/32/105896_2.png) [@hamna](https://forums.kodeco.com/u/hamna)\
**Post date:** [August 25, 2020, 9:44am UTC](https://forums.kodeco.com/t/your-first-ios-and-swiftui-app-strings-raywenderlich-com/82609/3 "2020-08-25T09:44:40Z")

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Hello,

I have the same question as stated above. What’t the reason of not using $ sign?