Incorporate feedback.

tools/Az.Tools.Predictor/Az.Tools.Predictor/AzContext.cs

@@ -101,8 +101,15 @@ public Version ModuleVersion
             }
         }
 
+        /// <inheritdoc/>
         public bool IsInternal { get; internal set; }
 
+        /// <summary>
+        /// The survey session id appended to the survey.
+        /// </summary>
+        /// <remarks>
+        /// We only collect this information in the preview. So make it internal and not to make it to the interface.
+        /// </remarks>
         internal string SurveyId { get; set; }
 
         /// <inheritdoc/>

tools/Az.Tools.Predictor/Az.Tools.Predictor/InterceptSurvey.ps1

@@ -12,6 +12,13 @@
 # limitations under the License.
 # ----------------------------------------------------------------------------------
 
+# This file is a temporary approach to prompt the user for a survey.
+# It doesn't cover every case well or not tested well:
+# 1. Allow two or more modules to show the survey link.
+# 2. When the major version is changed.
+# 3. Not sure about the way to handle survey id or if it's needed in future.
+# 4. The file format is also subject to change in future.
+
 param (
     [Parameter(Mandatory)]
     [string] $moduleName,