AutomationProperties.HelpText
A longer description of the element, which can be thought of as tooltip text associated with the element.
How to use this component
The AutomationProperties.HelpText attached property should be set to text that describes the user interface element, and can be thought of as tooltip text associated with the element.
AutomationProperties.Name should be used before using this.
More info here – https://docs.microsoft.com/en-us/xamarin/xamarin-forms/app-fundamentals/accessibility/automation-properties#automationpropertieshelptext
Code Resource
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<Button Text="Toggle ActivityIndicator"
AutomationProperties.IsInAccessibleTree="true"
AutomationProperties.HelpText="Tap to toggle the activity indicator" />var button = new Button { Text = "Toggle ActivityIndicator" };
AutomationProperties.SetIsInAccessibleTree(button, true);
AutomationProperties.SetHelpText(button, "Tap to toggle the activity indicator");