Capitalization Styles
Camel Case
The first letter in the identifier is lowercase and the first letter of its addition is a capital.
Example: dynamicsAx.
Pascal Case
The first letter in the identifier is a capital and the first letter of its addition is a capital.
Example: DynamicsAx.
Upper Case
All letters in the identifier are capitals.
Example: DYNAMICSAX.
Lower Case
All letters in the identifier are lowercase.
Example: dynamicsax.
More best practices
https://www.erpsoftwareblog.com/2020/03/microsoft-dynamics-365-for-finance-and-operations-coding-standards/