[HCD 525] - Clearing authId

README.md

@@ -446,6 +446,17 @@ In Obj-C that'd be:
 
 This way, if we already have consent for that token (`"JohDoe"`) we'll bring the consent profile from the server, overwriting whatever was stored in the device.
 
+>If required for your app's log out process, your organization can call the `clearAllData` method to erase local data:
+>```obj-c
+>// Objective-C
+>[SPConsentManager clearAllData];
+>```
+>```swift
+>// Swift
+>SPConsentManager.clearAllData()
+>```
+>Once cleared, your organization can then call `loadMessage` to collect consent from a non-authenticated user or `loadMessage` with a new `authId` for a new authenticated user. 
+
 ## Sharing consent with a `WKWebView`
 
 After going through the message and consent flow (ie. after `onConsentReady`) the SDK will store the consent data in the `UserDefaults`. That data can then be injected into `WKWebView`s so the web portion of your app doesn't show a consent dialog and it'll contain the same consent data as the native part.