UniqueEnumValueNamesRuleUnique enum value names A GraphQL enum type is only valid if all its values are uniquely named. function UniqueEnumValueNamesRule(context: SDLValidationContext): ASTVisitor;§UniqueEnumValueNamesRule(context: SDLValidationContext): ASTVisitor[src]§Parameters§context: SDLValidationContext[src]§Return Type§ASTVisitor[src]