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-rw-r--r--SmartDeviceLink/SDLSystemRequest.h11
1 files changed, 8 insertions, 3 deletions
diff --git a/SmartDeviceLink/SDLSystemRequest.h b/SmartDeviceLink/SDLSystemRequest.h
index a2ec6b4c0..a39b1f712 100644
--- a/SmartDeviceLink/SDLSystemRequest.h
+++ b/SmartDeviceLink/SDLSystemRequest.h
@@ -10,11 +10,16 @@
* @since SmartDeviceLink 3.0
*
*/
+
+NS_ASSUME_NONNULL_BEGIN
+
@interface SDLSystemRequest : SDLRPCRequest
-- (instancetype)initWithType:(SDLRequestType)requestType fileName:(NSString *)fileName;
+- (instancetype)initWithType:(SDLRequestType)requestType fileName:(nullable NSString *)fileName;
-@property (strong) SDLRequestType requestType;
-@property (strong) NSString *fileName;
+@property (strong, nonatomic) SDLRequestType requestType;
+@property (strong, nonatomic, nullable) NSString *fileName;
@end
+
+NS_ASSUME_NONNULL_END