Don’t sort arrays in blueprints: readability and performance of such implementations will be worse than C++ TArray. Also you can easily make mistakes.
Check TArray documentation 
TArray: Arrays in Unreal Engine | Unreal Engine Documentation
Don’t sort arrays in blueprints: readability and performance of such implementations will be worse than C++ TArray. Also you can easily make mistakes.
Check TArray documentation TArray: Arrays in Unreal Engine | Unreal Engine Documentation