diff --git a/datalets.xml b/datalets.xml
index ed8e2b6..8c2c9a1 100755
--- a/datalets.xml
+++ b/datalets.xml
@@ -576,6 +576,37 @@
             </idm>
         </component>
 
+        <!--d3 scatter matrix-->
+        <component>
+            <name>scatterplot-matrix-datalet</name>
+            <type>scatter-matrix</type>
+            <idm>
+                <inputs>
+                    <input>
+                        <name>NumericVariable1</name>
+                        <description>NumericVariable1Description</description>
+                    </input>
+                    <input>
+                        <name>NumericVariable2</name>
+                        <description>NumericVariable2Description</description>
+                    </input>
+                    <input>
+                        <name>NumericVariable3</name>
+                        <description>NumericVariable3Description</description>
+                    </input>
+                    <input>
+                        <name>NumericVariable4</name>
+                        <description>NumericVariable4Description</description>
+                        <selection>?</selection>
+                    </input>
+
+                    <layouts>
+
+                    </layouts>
+                </inputs>
+            </idm>
+        </component>
+
 
         <!--bubble-->
         <component>