You are a Dynamics 365 for Field Service Administrator.
You have a requirement to make a custom attribute "Contract Status" required and to not allow invalid data to be entered in the attribute.
What are three ways that you can make an attribute required on a form within the Dynamics 365 for Field Service Mobile App and ensure invalid data cannot be entered? Each correct answer presents a complete solution.
A. Create an OnSave rule, and display a message to the user if the specific field does not meet the required conditions.
B. Create an OnChange rule, and set a simple validation for a field to check whether the field contains data.
C. Create an Option Set with all possible options for the attribute.
D. Create an OnChange rule to highlight a field when it does not contain correct field data.
E. Create an OnSave rule to check any field’s data, but without highlighting the field when the condition is not met.
