diff --git a/README.md b/README.md
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diff --git a/feeds.js b/feeds.js
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diff --git a/index.js b/index.js
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diff --git a/lib/api.js b/lib/api.js
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diff --git a/lib/client.js b/lib/client.js
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diff --git a/lib/complexList.js b/lib/complexList.js
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diff --git a/lib/enum.js b/lib/enum.js
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diff --git a/lib/feeds/fulfillment.js b/lib/feeds/fulfillment.js
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diff --git a/lib/feeds/index.js b/lib/feeds/index.js
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diff --git a/lib/feeds/orders.js b/lib/feeds/orders.js
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diff --git a/lib/feeds/products.js b/lib/feeds/products.js
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diff --git a/lib/request.js b/lib/request.js
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index 306506c..a5b5167
--- a/lib/request.js
+++ b/lib/request.js
@@ -32,6 +32,7 @@ function getValueForParam(param, val) {
             return String(!!val);
 
         case Type.COMPLEX:
+            return val;
             // return param.construct(members); // TODO: fix
 
         default:
@@ -156,6 +157,13 @@ class AmazonMwsRequest {
                 _.forEach(values, (value, i) => {
                     this.values[`${param.name}.${i + 1}`] = value;
                 });
+            } else if (param.type == Type.COMPLEX) {
+              let members = value;
+              for (var i = 0; i < members.length; i++) {
+                  for (var j in members[i]) {
+                      this.values['Items.members.' + (i + 1) + '.' + j] = members[i][j];
+                  }
+              }
             }
             else {
                 this.values[param.name] = getValue(value);
@@ -188,6 +196,10 @@ class AmazonMwsRequest {
                     return false;
                 }
 
+                if(param.type == Type.COMPLEX) {
+                    return false;
+                }
+
                 const value = isList ? this.values[`${param.name}.1`] : this.values[param.name];
 
                 // intentional `==`
diff --git a/lib/sections/feeds.js b/lib/sections/feeds.js
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diff --git a/lib/sections/finances.js b/lib/sections/finances.js
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diff --git a/lib/sections/fulfillment.js b/lib/sections/fulfillment.js
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index 3481910..ed52869
--- a/lib/sections/fulfillment.js
+++ b/lib/sections/fulfillment.js
@@ -219,12 +219,14 @@ const requests = {
 
         CreateFulfillmentOrder: {
             params: {
+                MarketplaceId: {},
                 SellerFulfillmentOrderId: { required },
                 ShippingSpeedCategory: { required, type: 'fba.ShippingSpeedCategory' },
                 DisplayableOrderId: { required },
                 DisplayableOrderDateTime: { type: Type.TIMESTAMP },
                 DisplayableOrderComment: {},
                 FulfillmentPolicy: { type: 'fba.FulfillmentPolicy' },
+                FulfillmentAction: {},
                 FulfillmentMethod: {},
                 NotificationEmails: { name: 'NotificationEmailList.member', list },
                 DestName: { name: 'DestinationAddress.Name' },
diff --git a/lib/sections/orders.js b/lib/sections/orders.js
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diff --git a/lib/sections/products.js b/lib/sections/products.js
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diff --git a/lib/sections/reports.js b/lib/sections/reports.js
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diff --git a/lib/sections/sellers.js b/lib/sections/sellers.js
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diff --git a/lib/types.js b/lib/types.js
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diff --git a/lib/xml.js b/lib/xml.js
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diff --git a/package.json b/package.json
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diff --git a/test/xml.js b/test/xml.js
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