populate state from skillcontext (#1141)

templates/Skill-Template/csharp/Sample/SkillSample/Dialogs/MainDialog.cs

@@ -16,6 +16,7 @@
 using SkillSample.Responses.Main;
 using SkillSample.Services;
 using SkillSample.Responses.Shared;
+using Microsoft.Bot.Builder.Skills;
 
 namespace SkillSample.Dialogs
 {
@@ -63,6 +64,9 @@ public MainDialog(
             var locale = CultureInfo.CurrentUICulture.TwoLetterISOLanguageName;
             var localeConfig = _services.CognitiveModelSets[locale];
 
+            // Populate state from SkillContext slots as required 
+            await PopulateStateFromSkillContext(dc.Context);
+
             // Get skill LUIS model from configuration
             localeConfig.LuisServices.TryGetValue("skill", out var luisService);
 
@@ -243,6 +247,24 @@ private async Task<InterruptionAction> OnLogout(DialogContext dc)
             return InterruptionAction.StartedDialog;
         }
 
+        private async Task PopulateStateFromSkillContext(ITurnContext context)
+        {
+            // If we have a SkillContext object populated from the SkillMiddleware we can retrieve requests slot (parameter) data
+            // and make available in local state as appropriate.
+            var contextAccessor = _userState.CreateProperty<SkillContext>(nameof(SkillContext));
+            var skillContext = await contextAccessor.GetAsync(context, () => new SkillContext());
+            if (skillContext != null)
+            {
+                // Example of populating local state with data passed through Skill Context
+                //if (skillContext.ContainsKey("Location"))
+                //{
+                //    // Add to your local state
+                //    var state = await _stateAccessor.GetAsync(context, () => new SkillState());
+                //    state.Location = skillContext["Location"];
+                //}
+            }
+        }
+
         private void RegisterDialogs()
         {
             AddDialog(new SampleDialog(_settings, _services, _responseManager, _stateAccessor, TelemetryClient));