Avalonia/tests/Avalonia.Generators.Tests/Views/xNamedControl.xml

<Window xmlns="https://github.com/avaloniaui"
        xmlns:x="http://schemas.microsoft.com/winfx/2006/xaml"
        x:Class="Sample.App.xNamedControl">
    <TextBox x:Name="UserNameTextBox"
             AutomationProperties.Name="The user name"
             Placeholder="Username input"
             UseFloatingPlaceholder="True" />
</Window>