Merge pull request #300 from DuendeSoftware/joe/prompt-create

Add docs for prompt=create

IdentityServer/v6/docs/content/reference/options.md

@@ -275,7 +275,7 @@ Login/logout related settings. Available on the *Authentication* property of the
 
 * ***CheckSessionCookieDomain***
 
-    The domain of the cookie used for the check session endpoint. Defaults to null.
+    The domain of the cookie used for the check session endpoint. Defaults to *null*.
 
 * ***CheckSessionCookieSameSiteMode***
 
@@ -461,6 +461,12 @@ User interaction settings, including urls for pages in the UI, names of paramete
 
     Sets the URLs for the login, logout, consent, error and device verification pages.
 
+* ***CreateAccountUrl***
+
+    Added in *v6.3*.
+
+    Sets the URL for the create account page, which is used by OIDC requests that include the *prompt=create* parameter. When this option is set, including the *prompt=create* parameter will cause the user to be redirected to the specified url. *create* will also be added to the discovery document's *prompt_values_supported* array to announce support for this feature. When this option is not set, the *prompt=create* parameter is ignored, and *create is not added to discovery. Defaults to *null*.
+
 * ***LoginReturnUrlParameter***
 
     Sets the name of the return URL parameter passed to the login page. Defaults to *returnUrl*.

IdentityServer/v6/docs/content/reference/response_handling/authorize_interaction_response_generator.md

@@ -28,6 +28,12 @@ If a custom implementation of *IAuthorizeInteractionResponseGenerator* is desire
 
     Specifies if the user must consent.
 
+* ***IsCreateAccount***
+
+    Added in *v6.3*.
+
+    Specifies if the user must create an account.
+
 * ***IsError***
 
     Specifies if the user must be shown an error page.