diff --git a/apps/test/distributed-primitives/src/main/java/org/onosproject/distributedprimitives/cli/SetTestAddCommand.java b/apps/test/distributed-primitives/src/main/java/org/onosproject/distributedprimitives/cli/SetTestAddCommand.java
new file mode 100644
index 0000000..0ccc2d3
--- /dev/null
+++ b/apps/test/distributed-primitives/src/main/java/org/onosproject/distributedprimitives/cli/SetTestAddCommand.java
@@ -0,0 +1,81 @@
+/*
+ * Copyright 2015 Open Networking Laboratory
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *     http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+package org.onosproject.distributedprimitives.cli;
+
+import org.apache.karaf.shell.commands.Argument;
+import org.apache.karaf.shell.commands.Command;
+import org.onlab.util.KryoNamespace;
+import org.onosproject.cli.AbstractShellCommand;
+import org.onosproject.store.serializers.KryoNamespaces;
+import org.onosproject.store.service.Serializer;
+import org.onosproject.store.service.StorageService;
+
+import java.util.HashSet;
+import java.util.Set;
+
+/**
+ * CLI command to add elements to a distributed set.
+ */
+@Command(scope = "onos", name = "set-test-add",
+        description = "Add to a distributed set")
+public class SetTestAddCommand extends AbstractShellCommand {
+
+    @Argument(index = 0, name = "setName",
+            description = "set name",
+            required = true, multiValued = false)
+    String setName = null;
+
+    @Argument(index = 1, name = "values",
+            description = "Value(s) to add to the set",
+            required = true, multiValued = true)
+    String[] values = null;
+
+    Set<String> set;
+    Set<String> toAdd = new HashSet<String>();
+
+
+    Serializer serializer = Serializer.using(
+            new KryoNamespace.Builder().register(KryoNamespaces.BASIC).build());
+
+
+    @Override
+    protected void execute() {
+        StorageService storageService = get(StorageService.class);
+        set = storageService.<String>setBuilder()
+                .withName(setName)
+                .withSerializer(serializer)
+                .build();
+
+        // Add a single element to the set
+        if (values.length == 1) {
+            if (set.add(values[0])) {
+                print("[%s] was added to the set %s", values[0], setName);
+            } else {
+                print("[%s] was already in set %s", values[0], setName);
+            }
+        } else if (values.length >= 1) {
+            // Add multiple elements to a set
+            for (String value : values) {
+                toAdd.add(value);
+            }
+            if (set.addAll(toAdd)) {
+                print("%s was added to the set %s", toAdd, setName);
+            } else {
+                print("%s was already in set %s", toAdd, setName);
+            }
+        }
+    }
+}