AS a user, I want the "sortBy" variable to explicitly tell me what the valid options are

[Vylpes]

AS a user, I want the "sortBy" variable to explicitly tell me what the valid options are
SO THAT I know what I can input without having to rely on errors

Acceptance Criteria

AS a user
GIVEN I want to use a different sort
WHEN I supply an input to the "sortBy" variable
THEN it will only accept the types of the valid strings

Subtasks

• Update type
• Update tests