Added Pagination attributes to support PowerShell Auto-Iteration

generator/.DevConfigs/f9ca2282-a643-477e-b58e-845066d6665c.json

@@ -0,0 +1,9 @@
+{
+    "core": {
+      "changeLogMessages": [
+        "Added PaginatorKey attributes to Request properties that PowerShell consumes for Auto-Iteration."
+      ],
+      "type": "patch",
+      "updateMinimum": true
+    }
+  }

generator/ServiceClientGeneratorLib/Generators/SourceFiles/StructureGenerator.tt

@@ -220,6 +220,26 @@ namespace <#=this.Config.Namespace#>.Model
                     {
                         propertyAttributes.Add("Max=" + member.Shape.Max);
                     }
+
+                    // Add PaginationRequestKey attribute to Request Pagination properties that will be used by PowerShell for Auto-Iteration
+                    bool hasPaginatorInputToken = this.StructureType == StructureType.Request && this.Operation?.Paginators?.InputTokens.Any(x => x.PropertyName == member.PropertyName) == true;
+                    bool hasPaginatorLimitKey = this.StructureType == StructureType.Request  && this.Operation?.Paginators?.LimitKey?.PropertyName == member.PropertyName;
+                    bool hasPaginatorOutputToken = this.StructureType == StructureType.Response && this.Operation?.Paginators?.OutputTokens.Any(x => x.PropertyName == member.PropertyName) == true;
+
+                    if (hasPaginatorInputToken)
+                    {
+                        propertyAttributes.Add("PaginationInputToken=true");
+                    }
+                    else if (hasPaginatorLimitKey)
+                    {
+                        propertyAttributes.Add("PaginationLimitKey=true");
+                    }
+                    else if (hasPaginatorOutputToken)
+                    {
+                        propertyAttributes.Add("PaginationOutputToken=true");
+                    }
+
+
                     if (propertyAttributes.Count > 0)
                     {
 #>

sdk/src/Core/Amazon.Runtime/Internal/AWSPropertyAttribute.cs

@@ -2,13 +2,19 @@
 
 namespace Amazon.Runtime.Internal
 {
+
+
     [AttributeUsage(AttributeTargets.Property, AllowMultiple = false)]
     public sealed class AWSPropertyAttribute : Attribute
     {
         private long min;
         private long max;
         public bool Sensitive { get; set; }
         public bool Required { get; set; }
+        public bool PaginationInputToken { get; set; }
+        public bool PaginationOutputToken { get; set; }
+        public bool PaginationLimitKey { get; set; }
+
 
         public bool IsMinSet { get; private set; }
         public long Min