Add more documentationbug/issue_97_add_remaining_documentation

17 files changed, 383 insertions, 61 deletions

diff --git a/SmartDeviceLink/SDLNotificationConstants.h b/SmartDeviceLink/SDLNotificationConstants.h
index 52b025303..41b220134 100644
--- a/SmartDeviceLink/SDLNotificationConstants.h
+++ b/SmartDeviceLink/SDLNotificationConstants.h
@@ -192,7 +192,18 @@ extern SDLNotificationName const SDLDidReceiveWaypointNotification;
 
 @interface SDLNotificationConstants : NSObject
 
+/**
+ All of the possible SDL RPC Response notification names
+
+ @return The names
+ */
 + (NSArray<SDLNotificationName> *)allResponseNames;
+
+/**
+ All of the possible SDL Button event notification names
+
+ @return The names
+ */
 + (NSArray<SDLNotificationName> *)allButtonEventNotifications;
 
 @end
diff --git a/SmartDeviceLink/SDLOnInteriorVehicleData.h b/SmartDeviceLink/SDLOnInteriorVehicleData.h
index 3c53687bf..e54ad91bf 100644
--- a/SmartDeviceLink/SDLOnInteriorVehicleData.h
+++ b/SmartDeviceLink/SDLOnInteriorVehicleData.h
@@ -14,6 +14,9 @@ NS_ASSUME_NONNULL_BEGIN
  */
 @interface SDLOnInteriorVehicleData : SDLRPCNotification
 
+/**
+ The subscribed module data that changed
+ */
 @property (strong, nonatomic) SDLModuleData *moduleData;
 
 @end
diff --git a/SmartDeviceLink/SDLRPCNotification.h b/SmartDeviceLink/SDLRPCNotification.h
index cb5044d6c..269fdc7a6 100644
--- a/SmartDeviceLink/SDLRPCNotification.h
+++ b/SmartDeviceLink/SDLRPCNotification.h
@@ -6,6 +6,9 @@
 
 NS_ASSUME_NONNULL_BEGIN
 
+/**
+ An RPC sent from the head unit to the app about some data change, such as a button was pressed
+ */
 @interface SDLRPCNotification : SDLRPCMessage
 
 @end
diff --git a/SmartDeviceLink/SDLRPCNotificationNotification.h b/SmartDeviceLink/SDLRPCNotificationNotification.h
index 6b0060a9d..8e0d9a616 100644
--- a/SmartDeviceLink/SDLRPCNotificationNotification.h
+++ b/SmartDeviceLink/SDLRPCNotificationNotification.h
@@ -13,10 +13,24 @@
 
 NS_ASSUME_NONNULL_BEGIN
 
+/**
+ An NSNotification object that makes retrieving internal SDLRPCNotification data easier
+ */
 @interface SDLRPCNotificationNotification : NSNotification
 
+/**
+ The notification within the userinfo dictionary
+ */
 @property (copy, nonatomic, readonly) __kindof SDLRPCNotification *notification;
 
+/**
+ Create an NSNotification object caontaining an SDLRPCNotification
+
+ @param name The NSNotification name
+ @param object The NSNotification object
+ @param notification The SDLRPCNotification payload
+ @return The NSNotification
+ */
 - (instancetype)initWithName:(NSString *)name object:(nullable id)object rpcNotification:(__kindof SDLRPCNotification *)notification;
 
 /**
diff --git a/SmartDeviceLink/SDLRPCResponseNotification.h b/SmartDeviceLink/SDLRPCResponseNotification.h
index 42647897e..c6c7cdf3a 100644
--- a/SmartDeviceLink/SDLRPCResponseNotification.h
+++ b/SmartDeviceLink/SDLRPCResponseNotification.h
@@ -13,10 +13,24 @@
 
 NS_ASSUME_NONNULL_BEGIN
 
+/**
+ An NSNotification object that makes retrieving internal SDLRPCResponse data easier
+ */
 @interface SDLRPCResponseNotification : NSNotification
 
+/**
+ The response within the userinfo dictionary
+ */
 @property (copy, nonatomic, readonly) __kindof SDLRPCResponse *response;
 
+/**
+ Create an NSNotification object caontaining an SDLRPCResponse
+
+ @param name The NSNotification name
+ @param object The NSNotification object
+ @param response The SDLRPCResponse payload
+ @return The NSNotification
+ */
 - (instancetype)initWithName:(NSString *)name object:(nullable id)object rpcResponse:(__kindof SDLRPCResponse *)response;
 
 /**
diff --git a/SmartDeviceLink/SDLScreenManager.h b/SmartDeviceLink/SDLScreenManager.h
index c3dc1e020..c058a710d 100644
--- a/SmartDeviceLink/SDLScreenManager.h
+++ b/SmartDeviceLink/SDLScreenManager.h
@@ -30,29 +30,96 @@ typedef void(^SDLScreenManagerUpdateCompletionHandler)(NSError *__nullable error
 
 @interface SDLScreenManager : NSObject
 
+/**
+ The top text field within a template layout
+ */
 @property (copy, nonatomic, nullable) NSString *textField1;
+
+/**
+ The second text field within a template layout
+ */
 @property (copy, nonatomic, nullable) NSString *textField2;
+
+/**
+ The third text field within a template layout
+ */
 @property (copy, nonatomic, nullable) NSString *textField3;
+
+/**
+ The fourth text field within a template layout
+ */
 @property (copy, nonatomic, nullable) NSString *textField4;
+
+/**
+ The media text field available within the media layout. Often less emphasized than textField(1-4)
+ */
 @property (copy, nonatomic, nullable) NSString *mediaTrackTextField;
+
+/**
+ The primary graphic within a template layout
+ */
 @property (strong, nonatomic, nullable) SDLArtwork *primaryGraphic;
+
+/**
+ A secondary graphic used in some template layouts
+ */
 @property (strong, nonatomic, nullable) SDLArtwork *secondaryGraphic;
 
+/**
+ What alignment textField(1-4) should use
+ */
 @property (copy, nonatomic) SDLTextAlignment textAlignment;
+
+/**
+ The type of data textField1 describes
+ */
 @property (copy, nonatomic, nullable) SDLMetadataType textField1Type;
+
+/**
+ The type of data textField2 describes
+ */
 @property (copy, nonatomic, nullable) SDLMetadataType textField2Type;
+
+/**
+ The type of data textField3 describes
+ */
 @property (copy, nonatomic, nullable) SDLMetadataType textField3Type;
+
+/**
+ The type of data textField4 describes
+ */
 @property (copy, nonatomic, nullable) SDLMetadataType textField4Type;
 
+/**
+ The current list of soft buttons within a template layout. Set this array to change the displayed soft buttons.
+ */
 @property (copy, nonatomic) NSArray<SDLSoftButtonObject *> *softButtonObjects;
 
+/**
+ The current list of menu cells displayed in the app's menu.
+ */
 @property (copy, nonatomic) NSArray<SDLMenuCell *> *menu;
+
+/**
+ The current list of voice commands available for the user to speak and be recognized by the IVI's voice recognition engine.
+ */
 @property (copy, nonatomic) NSArray<SDLVoiceCommand *> *voiceCommands;
 
+/**
+ Initialize a screen manager
+
+ @warning For internal use
+
+ @param connectionManager The connection manager used to send RPCs
+ @param fileManager The file manager used to upload files
+ @return The screen manager
+ */
 - (instancetype)initWithConnectionManager:(id<SDLConnectionManagerType>)connectionManager fileManager:(SDLFileManager *)fileManager;
 
 /**
- *  Stops the manager. This method is used internally.
+ Stops the manager.
+
+ @warning For internal use
  */
 - (void)stop;
 
@@ -80,6 +147,12 @@ typedef void(^SDLScreenManagerUpdateCompletionHandler)(NSError *__nullable error
  */
 - (void)endUpdatesWithCompletionHandler:(nullable SDLScreenManagerUpdateCompletionHandler)handler;
 
+/**
+ Find a current soft button object with a specific name
+
+ @param name The name of the soft button object to find
+ @return The soft button object or nil if there isn't one with that name
+ */
 - (nullable SDLSoftButtonObject *)softButtonObjectNamed:(NSString *)name;
 
 @end
diff --git a/SmartDeviceLink/SDLSecurityType.h b/SmartDeviceLink/SDLSecurityType.h
index c459665f8..202149e79 100644
--- a/SmartDeviceLink/SDLSecurityType.h
+++ b/SmartDeviceLink/SDLSecurityType.h
@@ -10,18 +10,63 @@
 
 NS_ASSUME_NONNULL_BEGIN
 
+/**
+ A protocol used by SDL Security libraries.
+
+ @warning Used internally
+ */
 @protocol SDLSecurityType <NSObject>
 
+/**
+ The app id of the app
+ */
 @property (copy, nonatomic) NSString *appId;
 
+/**
+ Initialize the SDL security library with the app's id and a completion handler
+
+ @param appId The app's id
+ @param completionHandler A handler for when the security library is initialized
+ */
 - (void)initializeWithAppId:(NSString *)appId completionHandler:(void (^)(NSError *_Nullable error))completionHandler;
+
+/**
+ Stop the security library
+ */
 - (void)stop;
 
+/**
+ Run the SSL/TLS handshake
+
+ @param data The client data for the handshake
+ @param error A returnable error
+ @return The server handshake data
+ */
 - (nullable NSData *)runHandshakeWithClientData:(NSData *)data error:(NSError **)error;
 
+/**
+ Encrypt data using SSL/TLS
+
+ @param data The data to encrypt
+ @param error A returnable error
+ @return The encrypted data
+ */
 - (nullable NSData *)encryptData:(NSData *)data withError:(NSError **)error;
+
+/**
+ Decrypt data using SSL/TLS
+
+ @param data The data to decrypt
+ @param error A returnable error
+ @return The decrypted data
+ */
 - (nullable NSData *)decryptData:(NSData *)data withError:(NSError **)error;
 
+/**
+ The vehicle makes this security library covers
+
+ @return The makes
+ */
 + (NSSet<NSString *> *)availableMakes;
 
 @end
diff --git a/SmartDeviceLink/SDLSetDisplayLayoutResponse.h b/SmartDeviceLink/SDLSetDisplayLayoutResponse.h
index edaee6343..69987222d 100644
--- a/SmartDeviceLink/SDLSetDisplayLayoutResponse.h
+++ b/SmartDeviceLink/SDLSetDisplayLayoutResponse.h
@@ -18,9 +18,24 @@ NS_ASSUME_NONNULL_BEGIN
  */
 @interface SDLSetDisplayLayoutResponse : SDLRPCResponse
 
+/**
+ The display capabilities of the new template layout
+ */
 @property (nullable, strong, nonatomic) SDLDisplayCapabilities *displayCapabilities;
+
+/**
+ The button capabilities of the new template layout
+ */
 @property (nullable, strong, nonatomic) NSArray<SDLButtonCapabilities *> *buttonCapabilities;
+
+/**
+ The soft button capabilities of the new template layout
+ */
 @property (nullable, strong, nonatomic) NSArray<SDLSoftButtonCapabilities *> *softButtonCapabilities;
+
+/**
+ The preset bank capabilities of the new template layout
+ */
 @property (nullable, strong, nonatomic) SDLPresetBankCapabilities *presetBankCapabilities;
 
 @end
diff --git a/SmartDeviceLink/SDLSetGlobalProperties.h b/SmartDeviceLink/SDLSetGlobalProperties.h
index 2336e8258..7b3370d9b 100644
--- a/SmartDeviceLink/SDLSetGlobalProperties.h
+++ b/SmartDeviceLink/SDLSetGlobalProperties.h
@@ -8,87 +8,100 @@
 @class SDLTTSChunk;
 @class SDLVRHelpItem;
 
-/**
- * Sets value(s) for the specified global property(ies)
- * <p>
- * Function Group: Base <p>
- * <b>HMILevel needs to be FULL, LIMITED or BACKGROUND</b>
- * </p>
- *
- * Since SmartDeviceLink 1.0
- * See SDLResetGlobalProperties
- */
-
 NS_ASSUME_NONNULL_BEGIN
 
+/**
+ Sets global property values
+ 
+ Since SmartDeviceLink 1.0
+
+ See SDLResetGlobalProperties
+ */
 @interface SDLSetGlobalProperties : SDLRPCRequest
 
+/**
+ Initialize SetGlobalProperties with help text and timeout text
+
+ @param helpText A string that will be turned into TTS chunks for the help prompt
+ @param timeoutText A string that will be turned into TTS chunks for the timeout prompt
+ @return The SetGlobalProperties RPC
+ */
 - (instancetype)initWithHelpText:(nullable NSString *)helpText timeoutText:(nullable NSString *)timeoutText;
 
+/**
+ Initialize SetGlobalProperties with help text, timeout text, help title, and help items
+
+ @param helpText A string that will be turned into TTS chunks for the help prompt
+ @param timeoutText A string that will be turned into TTS chunks for the timeout prompt
+ @param vrHelpTitle The title of the help interface prompt
+ @param vrHelp The items of the help interface prompt
+ @return The SetGlobalProperties RPC
+ */
 - (instancetype)initWithHelpText:(nullable NSString *)helpText timeoutText:(nullable NSString *)timeoutText vrHelpTitle:(nullable NSString *)vrHelpTitle vrHelp:(nullable NSArray<SDLVRHelpItem *> *)vrHelp;
 
+/**
+ Initialize SetGlobalProperties with all possible items
+
+ @param helpText A string that will be turned into TTS chunks for the help prompt
+ @param timeoutText A string that will be turned into TTS chunks for the timeout prompt
+ @param vrHelpTitle The title of the help interface prompt
+ @param vrHelp The items of the help interface prompt
+ @param menuTitle The title of the menu button
+ @param menuIcon The icon on the menu button
+ @param keyboardProperties The properties of a keyboard prompt
+ @return The SetGlobalProperties RPC
+ */
 - (instancetype)initWithHelpText:(nullable NSString *)helpText timeoutText:(nullable NSString *)timeoutText vrHelpTitle:(nullable NSString *)vrHelpTitle vrHelp:(nullable NSArray<SDLVRHelpItem *> *)vrHelp menuTitle:(nullable NSString *)menuTitle menuIcon:(nullable SDLImage *)menuIcon keyboardProperties:(nullable SDLKeyboardProperties *)keyboardProperties;
 
 /**
- * Sets a Vector<TTSChunk> for Help Prompt that Array of one or more
- * TTSChunk elements specifying the help prompt used in an interaction
- * started by PTT
- * @discussion helpPrompt
- *            a Vector<TTSChunk> of one or more TTSChunk elements
- *            <p>
- *            <b>Notes: </b>
- *            <ul>
- *            <li>Array must have at least one element</li>
- *            <li>Only optional it timeoutPrompt has been specified</li>
- *            </ul>
+ Help prompt for when the user asks for help with an interface prompt
+
+ Optional
  */
 @property (strong, nonatomic, nullable) NSArray<SDLTTSChunk *> *helpPrompt;
+
 /**
- * A Vector<TTSChunk> for Timeout Prompt representing Array of one or
- * more TTSChunk elements specifying the help prompt used in an interaction
- * started by PTT
- *
+ Help prompt for when an interface prompt times out
+
+ Optional, Array, at least 1 item
  */
 @property (strong, nonatomic, nullable) NSArray<SDLTTSChunk *> *timeoutPrompt;
+
 /**
- * Sets a voice recognition Help Title
- *
- * @discussion A String value representing a voice recognition Help Title
- *            <p>
- *            <b>Notes: </b><br/>
- *            <ul>
- *            <li>If omitted on supported displays, the default SDL help
- *            title will be used</li>
- *            <li>If omitted and one or more vrHelp items are provided, the
- *            request will be rejected.</li>
- *            <li>String Maxlength = 500</li>
- *            </ul>
- * @since SmartDeviceLink 2.0
+ Sets a voice recognition Help Title
+
+ Optional
  */
 @property (strong, nonatomic, nullable) NSString *vrHelpTitle;
+
 /**
- * Sets the items listed in the VR help screen used in an interaction
- * started by PTT
- *
- * @discussion A Vector value representing items listed in the VR help screen
- *            used in an interaction started by PTT
- *            <p>
- *            <b>Notes: </b><br/>
- *            <ul>
- *            <li>If omitted on supported displays, the default SmartDeviceLink VR
- *            help / What Can I Say? screen will be used</li>
- *            <li>If the list of VR Help Items contains nonsequential
- *            positions (e.g. [1,2,4]), the RPC will be rejected</li>
- *            <li>If omitted and a vrHelpTitle is provided, the request
- *            will be rejected</li>
- *            <li>Array Minsize: = 1</li>
- *            <li>Array Maxsize = 100</li>
- *            </ul>
- * @since SmartDeviceLink 2.0
+ Sets the items listed in the VR help screen used in an interaction started by Push to Talk
+
+ @since SmartDeviceLink 2.0
+
+ Optional
  */
 @property (strong, nonatomic, nullable) NSArray<SDLVRHelpItem *> *vrHelp;
+
+/**
+ Text for the menu button label
+
+ Optional
+ */
 @property (strong, nonatomic, nullable) NSString *menuTitle;
+
+/**
+ Icon for the menu button
+
+ Optional
+ */
 @property (strong, nonatomic, nullable) SDLImage *menuIcon;
+
+/**
+ On-screen keyboard (perform interaction) configuration
+
+ Optional
+ */
 @property (strong, nonatomic, nullable) SDLKeyboardProperties *keyboardProperties;
 
 @end
diff --git a/SmartDeviceLink/SDLSoftButtonObject.h b/SmartDeviceLink/SDLSoftButtonObject.h
index 706c31d17..fe641a56e 100644
--- a/SmartDeviceLink/SDLSoftButtonObject.h
+++ b/SmartDeviceLink/SDLSoftButtonObject.h
@@ -17,6 +17,9 @@
 
 NS_ASSUME_NONNULL_BEGIN
 
+/**
+ A soft button wrapper object that is capable of storing and switching between states
+ */
 @interface SDLSoftButtonObject : NSObject
 
 /**
@@ -70,6 +73,9 @@ NS_ASSUME_NONNULL_BEGIN
  */
 - (BOOL)transitionToStateNamed:(NSString *)stateName NS_SWIFT_NAME(transition(toState:));
 
+/**
+ Transition the soft button to the next state of the array set when in the `states` property
+ */
 - (void)transitionToNextState;
 
 /**
diff --git a/SmartDeviceLink/SDLStreamingMediaConfiguration.h b/SmartDeviceLink/SDLStreamingMediaConfiguration.h
index 98db9258d..3e4f91849 100644
--- a/SmartDeviceLink/SDLStreamingMediaConfiguration.h
+++ b/SmartDeviceLink/SDLStreamingMediaConfiguration.h
@@ -16,6 +16,13 @@
 
 NS_ASSUME_NONNULL_BEGIN
 
+/**
+ The type of rendering that CarWindow will perform. Depending on your app, you may need to try different ones for best performance
+
+ - SDLCarWindowRenderingTypeLayer: Instead of rendering your UIViewController's view, this will render the layer using `renderInContext`
+ - SDLCarWindowRenderingTypeViewAfterScreenUpdates: Renders your UIViewController's view using `drawViewHierarchyInRect:bounds afterScreenUpdates:YES`
+ - SDLCarWindowRenderingTypeViewBeforeScreenUpdates: Renders your UIViewController's view using `drawViewHierarchyInRect:bounds afterScreenUpdates:NO`
+ */
 typedef NS_ENUM(NSUInteger, SDLCarWindowRenderingType) {
     SDLCarWindowRenderingTypeLayer,
     SDLCarWindowRenderingTypeViewAfterScreenUpdates,
diff --git a/SmartDeviceLink/SDLStreamingMediaManagerConstants.h b/SmartDeviceLink/SDLStreamingMediaManagerConstants.h
index 0e6cbe88c..f3a7398b8 100644
--- a/SmartDeviceLink/SDLStreamingMediaManagerConstants.h
+++ b/SmartDeviceLink/SDLStreamingMediaManagerConstants.h
@@ -10,6 +10,13 @@
 
 NS_ASSUME_NONNULL_BEGIN
 
+/**
+ A flag determining how video and audio streaming should be encrypted
+
+ - SDLStreamingEncryptionFlagNone: It should not be encrypted at all
+ - SDLStreamingEncryptionFlagAuthenticateOnly: It should use SSL/TLS only to authenticate
+ - SDLStreamingEncryptionFlagAuthenticateAndEncrypt: All data on these services should be encrypted using SSL/TLS
+ */
 typedef NS_ENUM(NSInteger, SDLStreamingEncryptionFlag) {
     SDLStreamingEncryptionFlagNone,
     SDLStreamingEncryptionFlagAuthenticateOnly,
diff --git a/SmartDeviceLink/SDLSubscribeVehicleData.h b/SmartDeviceLink/SDLSubscribeVehicleData.h
index 34cca021d..4e874d2ab 100644
--- a/SmartDeviceLink/SDLSubscribeVehicleData.h
+++ b/SmartDeviceLink/SDLSubscribeVehicleData.h
@@ -24,6 +24,35 @@ NS_ASSUME_NONNULL_BEGIN
 
 @interface SDLSubscribeVehicleData : SDLRPCRequest
 
+/**
+ Initialize a subscribe RPC with various possible to describe to
+
+ @param accelerationPedalPosition Subcribe to accelerationPedalPosition
+ @param airbagStatus Subcribe to airbagStatus
+ @param beltStatus Subcribe to beltStatus
+ @param bodyInformation Subcribe to bodyInformation
+ @param clusterModeStatus Subcribe to clusterModeStatus
+ @param deviceStatus Subcribe to deviceStatus
+ @param driverBraking Subcribe to driverBraking
+ @param eCallInfo Subcribe to eCallInfo
+ @param emergencyEvent Subcribe to v
+ @param engineTorque Subcribe to engineTorque
+ @param externalTemperature Subcribe to externalTemperature
+ @param fuelLevel Subcribe to fuelLevel
+ @param fuelLevelState Subcribe to fuelLevelState
+ @param gps Subcribe to gps
+ @param headLampStatus Subcribe to headLampStatus
+ @param instantFuelConsumption Subcribe to instantFuelConsumption
+ @param myKey Subcribe to myKey
+ @param odometer Subcribe to odometer
+ @param prndl Subcribe to prndl
+ @param rpm Subcribe to rpm
+ @param speed Subcribe to speed
+ @param steeringWheelAngle Subcribe to steeringWheelAngle
+ @param tirePressure Subcribe to tirePressure
+ @param wiperStatus Subcribe to wiperStatus
+ @return The RPC
+ */
 - (instancetype)initWithAccelerationPedalPosition:(BOOL)accelerationPedalPosition airbagStatus:(BOOL)airbagStatus beltStatus:(BOOL)beltStatus bodyInformation:(BOOL)bodyInformation clusterModeStatus:(BOOL)clusterModeStatus deviceStatus:(BOOL)deviceStatus driverBraking:(BOOL)driverBraking eCallInfo:(BOOL)eCallInfo emergencyEvent:(BOOL)emergencyEvent engineTorque:(BOOL)engineTorque externalTemperature:(BOOL)externalTemperature fuelLevel:(BOOL)fuelLevel fuelLevelState:(BOOL)fuelLevelState gps:(BOOL)gps headLampStatus:(BOOL)headLampStatus instantFuelConsumption:(BOOL)instantFuelConsumption myKey:(BOOL)myKey odometer:(BOOL)odometer prndl:(BOOL)prndl rpm:(BOOL)rpm speed:(BOOL)speed steeringWheelAngle:(BOOL)steeringWheelAngle tirePressure:(BOOL)tirePressure wiperStatus:(BOOL)wiperStatus;
 
 /**
@@ -122,10 +151,30 @@ NS_ASSUME_NONNULL_BEGIN
  * subscribed.
  */
 @property (strong, nonatomic, nullable) NSNumber<SDLBool> *steeringWheelAngle;
+
+/**
+ Subscribe to eCallInfo
+ */
 @property (strong, nonatomic, nullable) NSNumber<SDLBool> *eCallInfo;
+
+/**
+ Subscribe to airbagStatus
+ */
 @property (strong, nonatomic, nullable) NSNumber<SDLBool> *airbagStatus;
+
+/**
+ Subscribe to emergencyEvent
+ */
 @property (strong, nonatomic, nullable) NSNumber<SDLBool> *emergencyEvent;
+
+/**
+ Subscribe to clusterModeStatus
+ */
 @property (strong, nonatomic, nullable) NSNumber<SDLBool> *clusterModeStatus;
+
+/**
+ Subscribe to myKey
+ */
 @property (strong, nonatomic, nullable) NSNumber<SDLBool> *myKey;
 
 @end
diff --git a/SmartDeviceLink/SDLSyncPData.h b/SmartDeviceLink/SDLSyncPData.h
index e35a62fab..c19fae453 100644
--- a/SmartDeviceLink/SDLSyncPData.h
+++ b/SmartDeviceLink/SDLSyncPData.h
@@ -4,14 +4,13 @@
 
 #import "SDLRPCRequest.h"
 
+NS_ASSUME_NONNULL_BEGIN
+
 /*
  *  Allows binary data in the form of SyncP packets to be sent to the SYNC module. Binary data is in binary part of hybrid msg.
  *
  *  *** DEPRECATED ***
  */
-
-NS_ASSUME_NONNULL_BEGIN
-
 @interface SDLSyncPData : SDLRPCRequest
 
 @end
diff --git a/SmartDeviceLink/SDLTTSChunk.h b/SmartDeviceLink/SDLTTSChunk.h
index 602dcdbd2..4c27ead53 100644
--- a/SmartDeviceLink/SDLTTSChunk.h
+++ b/SmartDeviceLink/SDLTTSChunk.h
@@ -18,16 +18,52 @@ NS_ASSUME_NONNULL_BEGIN
  */
 @interface SDLTTSChunk : SDLRPCStruct
 
+/**
+ Initialize with text and a type
+
+ @param text The string to be spoken
+ @param type The type of text the string is
+ @return The RPC
+ */
 - (instancetype)initWithText:(NSString *)text type:(SDLSpeechCapabilities)type;
 
+/**
+ Create TTS using text
+
+ @param string The text chunk
+ @return The RPC
+ */
 + (NSArray<SDLTTSChunk *> *)textChunksFromString:(NSString *)string;
 
+/**
+ Create TTS using SAPI
+
+ @param string The SAPI chunk
+ @return The RPC
+ */
 + (NSArray<SDLTTSChunk *> *)sapiChunksFromString:(NSString *)string;
 
+/**
+ Create TTS using LH Plus
+
+ @param string The LH Plus chunk
+ @return The RPC
+ */
 + (NSArray<SDLTTSChunk *> *)lhPlusChunksFromString:(NSString *)string;
 
+/**
+ Create TTS using prerecorded chunks
+
+ @param string The prerecorded chunk
+ @return The RPC
+ */
 + (NSArray<SDLTTSChunk *> *)prerecordedChunksFromString:(NSString *)string;
 
+/**
+ Create TTS using silence
+
+ @return The RPC
+ */
 + (NSArray<SDLTTSChunk *> *)silenceChunks;
 
 
diff --git a/SmartDeviceLink/SDLUnsubscribeVehicleData.h b/SmartDeviceLink/SDLUnsubscribeVehicleData.h
index a305afdc1..5ba4d627f 100644
--- a/SmartDeviceLink/SDLUnsubscribeVehicleData.h
+++ b/SmartDeviceLink/SDLUnsubscribeVehicleData.h
@@ -112,11 +112,35 @@ NS_ASSUME_NONNULL_BEGIN
  * A boolean value. If true, unsubscribes accPedalPosition data
  */
 @property (strong, nonatomic, nullable) NSNumber<SDLBool> *accPedalPosition;
+
+/**
+ If true, unsubscribes from steeringWheelAngle
+ */
 @property (strong, nonatomic, nullable) NSNumber<SDLBool> *steeringWheelAngle;
+
+/**
+ If true, unsubscribes from eCallInfo
+ */
 @property (strong, nonatomic, nullable) NSNumber<SDLBool> *eCallInfo;
+
+/**
+ If true, unsubscribes from airbagStatus
+ */
 @property (strong, nonatomic, nullable) NSNumber<SDLBool> *airbagStatus;
+
+/**
+ If true, unsubscribes from emergencyEvent
+ */
 @property (strong, nonatomic, nullable) NSNumber<SDLBool> *emergencyEvent;
+
+/**
+ If true, unsubscribes from clusterModeStatus
+ */
 @property (strong, nonatomic, nullable) NSNumber<SDLBool> *clusterModeStatus;
+
+/**
+ If true, unsubscribes from myKey
+ */
 @property (strong, nonatomic, nullable) NSNumber<SDLBool> *myKey;
 
 @end
diff --git a/SmartDeviceLink/SDLUnsubscribeWayPoints.h b/SmartDeviceLink/SDLUnsubscribeWayPoints.h
index 5edce6bf5..4b67ac277 100644
--- a/SmartDeviceLink/SDLUnsubscribeWayPoints.h
+++ b/SmartDeviceLink/SDLUnsubscribeWayPoints.h
@@ -5,6 +5,9 @@
 
 NS_ASSUME_NONNULL_BEGIN
 
+/**
+ Request to unsubscribe from navigation WayPoints and Destination
+ */
 @interface SDLUnsubscribeWayPoints : SDLRPCRequest
 
 @end