diff --git a/APCAppCore/APCAppCore/Library/Permissions/APCPermissionsManager.h b/APCAppCore/APCAppCore/Library/Permissions/APCPermissionsManager.h
index 0f1adc76..288dbd62 100644
--- a/APCAppCore/APCAppCore/Library/Permissions/APCPermissionsManager.h
+++ b/APCAppCore/APCAppCore/Library/Permissions/APCPermissionsManager.h
@@ -47,9 +47,18 @@ typedef NS_ENUM(NSUInteger, APCPermissionStatus) {
 @property (copy, nonatomic) NSArray *userInfoItemTypes;
 @property (copy, nonatomic) NSArray *signUpPermissionTypes;
 
+/**
+ *  Designated initializer.
+ *
+ *  @param characteristicTypesToRead Array of strings defined as `HKCharacteristicTypeIdentifier*` constants
+ *  @param quantityTypesToRead Array of strings defined as `HKQuantityTypeIdentifier*` constants or dictionaries encoding other types (TODO: improve and document)
+ *  @param quantityTypesToWrite Array of strings defined as `HKQuantityTypeIdentifier*` constants or dictionaries encoding other types (TODO: improve and document)
+ *  @param userInfoItemTypes Array of numbers representing `APCUserInfoItemType` types
+ *  @param signUpPermissionTypes Array of numbers representing `APCSignUpPermissionsType` types
+ */
 - (id)initWithHealthKitCharacteristicTypesToRead:(NSArray *)characteristicTypesToRead
                     healthKitQuantityTypesToRead:(NSArray *)quantityTypesToRead
-                   healthKitQuantityTypesToWrite:(NSArray *)QuantityTypesToWrite
+                   healthKitQuantityTypesToWrite:(NSArray *)quantityTypesToWrite
                                userInfoItemTypes:(NSArray *)userInfoItemTypes
                            signUpPermissionTypes:(NSArray *)signUpPermissionTypes;
 
diff --git a/APCAppCore/APCAppCore/Library/Permissions/APCPermissionsManager.m b/APCAppCore/APCAppCore/Library/Permissions/APCPermissionsManager.m
index cd65c76f..a4531373 100644
--- a/APCAppCore/APCAppCore/Library/Permissions/APCPermissionsManager.m
+++ b/APCAppCore/APCAppCore/Library/Permissions/APCPermissionsManager.m
@@ -87,7 +87,7 @@ - (instancetype)init
 
 - (id)initWithHealthKitCharacteristicTypesToRead:(NSArray *)characteristicTypesToRead
                     healthKitQuantityTypesToRead:(NSArray *)quantityTypesToRead
-                   healthKitQuantityTypesToWrite:(NSArray *)QuantityTypesToWrite
+                   healthKitQuantityTypesToWrite:(NSArray *)quantityTypesToWrite
                                userInfoItemTypes:(NSArray *)userInfoItemTypes
                            signUpPermissionTypes:(NSArray *)signUpPermissionTypes
 {
@@ -96,7 +96,7 @@ - (id)initWithHealthKitCharacteristicTypesToRead:(NSArray *)characteristicTypesT
     if (self) {
         self.healthKitCharacteristicTypesToRead = characteristicTypesToRead;
         self.healthKitTypesToRead = quantityTypesToRead;
-        self.healthKitTypesToWrite = QuantityTypesToWrite;
+        self.healthKitTypesToWrite = quantityTypesToWrite;
         self.signUpPermissionTypes = signUpPermissionTypes;
         self.userInfoItemTypes = userInfoItemTypes;
     }
diff --git a/APCAppCore/APCAppCore/UI/Model/APCOnboardingManager.h b/APCAppCore/APCAppCore/UI/Model/APCOnboardingManager.h
index f74d7627..26ad0806 100644
--- a/APCAppCore/APCAppCore/UI/Model/APCOnboardingManager.h
+++ b/APCAppCore/APCAppCore/UI/Model/APCOnboardingManager.h
@@ -49,8 +49,10 @@ NS_ASSUME_NONNULL_BEGIN
 @required
 /** The onboarding manager for the app. */
 - (APCOnboardingManager *)onboardingManager;
+
 /** The permissions manager for the app. */
 - (APCPermissionsManager *)permissionsManager;
+
 @optional
 /**
  *  Kept for backwards compatibility: return the inclusion criteria scene.
@@ -92,6 +94,9 @@ NS_ASSUME_NONNULL_BEGIN
 
 - (void)instantiateOnboardingForType:(APCOnboardingTaskType)type;
 
+/** Override point to create a custom permissions manager. By default returns the receiver provider's permission manager. */
+- (APCPermissionsManager *)createPermissionsManager;
+
 #pragma mark Onboarding
 
 /** Called when the user has agreed to and completed all consenting steps. */
diff --git a/APCAppCore/APCAppCore/UI/Model/APCOnboardingManager.m b/APCAppCore/APCAppCore/UI/Model/APCOnboardingManager.m
index d6aa1a6b..30fd21fe 100644
--- a/APCAppCore/APCAppCore/UI/Model/APCOnboardingManager.m
+++ b/APCAppCore/APCAppCore/UI/Model/APCOnboardingManager.m
@@ -122,11 +122,15 @@ - (void)completeOnboardingAsSignIn:(BOOL)wasSignIn {
 
 - (APCPermissionsManager *)permissionsManager {
     if (!_permissionsManager) {
-        _permissionsManager = [self.provider permissionsManager];
+        _permissionsManager = [self createPermissionsManager];
     }
     return _permissionsManager;
 }
 
+- (APCPermissionsManager *)createPermissionsManager {
+    return [self.provider permissionsManager];
+}
+
 #pragma mark - APCOnboardingDelegate
 
 - (APCScene *)onboarding:(APCOnboarding * __nonnull)onboarding sceneOfType:(NSString * __nonnull)type {