...
The question properties are changed based on the question type
Input required: the question is required or not. You can set the question as always required, or only require with conditions, or is an optional question
Default value: The default value of the question, your users can see this value when opening the product Q&A for the first time
Default value from customer: ?populate data from customer information (Account). Input the question reference tag from Account (Name, Full Name, Date of birth, etc)
Minimum length and Maximum length: the minimum and maximum value for numeric questions
...