How to set the Maximum length for an input_text from the user interface?

Configuration Frontend
1

The docs ( Input text - Home Assistant ) show how to set the maximum length in yaml :

# Example configuration.yaml entries
input_text:
  text2:
    name: Text 2
    min: 8
    max: 40

The docs don’t mention this option isn’t available in the user interface, so :
How can I set the max option from the UI ?

2

After activating Advanced Mode for my user profile, the Min & Max fields are available in UI.