API EJ IsValidInstanceDifficulty

Returns whether the difficultyID is valid for use in the journal.
 isValid = EJ_IsValidInstanceDifficulty(difficultyID)
==Arguments==
:;difficultyID: - the following IDs should be valid:
ID	Name 	Type
1 	Normal 	party
2 	Heroic 	party
14	Normal 	raid
15	Heroic 	raid
16	Mythic 	raid
17	Looking For Raid	raid
23	Mythic 	party
24	Timewalking 	party
33	Timewalking 	raid
==Returns==
:;isValid:
==Patch changes==
==See also==
* 
*