diff --git a/components/iot-plugins/iot-base-plugin/org.wso2.carbon.device.mgt.iot.ui/src/main/resources/jaggeryapps/devicemgt/app/units/iot.unit.device.operation-bar/operation-bar.hbs b/components/iot-plugins/iot-base-plugin/org.wso2.carbon.device.mgt.iot.ui/src/main/resources/jaggeryapps/devicemgt/app/units/iot.unit.device.operation-bar/operation-bar.hbs
index a0eb524f96..40466c1ec5 100644
--- a/components/iot-plugins/iot-base-plugin/org.wso2.carbon.device.mgt.iot.ui/src/main/resources/jaggeryapps/devicemgt/app/units/iot.unit.device.operation-bar/operation-bar.hbs
+++ b/components/iot-plugins/iot-base-plugin/org.wso2.carbon.device.mgt.iot.ui/src/main/resources/jaggeryapps/devicemgt/app/units/iot.unit.device.operation-bar/operation-bar.hbs
@@ -46,15 +46,15 @@
 
                             <form action="{{@unit.params.backendApiUri}}{{params.0.uri}}" method="{{method}}" style="padding-bottom: 20px;" id="form-{{operation}}">
                                 {{#each params.0.pathParams}}
-                                    <input type="text" id="{{this}}" placeholder="{{this}}" class="form-control" data-param-type="path" />
+                                    <input type="{{type}}" id="{{name}}" placeholder="{{name}}" class="form-control" data-param-type="path" value="{{value}}" />
                                     <br />
                                 {{/each}}
                                 {{#each params.0.formParams}}
-                                    <input type="text" id="{{this}}" name="{{this}}" placeholder="{{this}}" class="form-control" data-param-type="form" />
+                                    <input type="{{type}}" id="{{name}}" name="{{name}}" placeholder="{{name}}" class="form-control" data-param-type="form" value="{{value}}" />
                                     <br />
                                 {{/each}}
                                 {{#each params.0.queryParams}}
-                                    <input type="text" id="{{this}}" placeholder="{{this}}" class="form-control" data-param-type="query" />
+                                    <input type="{{type}}" id="{{name}}" placeholder="{{name}}" class="form-control" data-param-type="query" value="{{value}}" />
                                     <br />
                                 {{/each}}
                                 <button id="btnSend" type="button" onclick="submitForm('form-{{operation}}')" class="btn btn-default">&nbsp;&nbsp;&nbsp;&nbsp;Send
diff --git a/components/iot-plugins/iot-base-plugin/org.wso2.carbon.device.mgt.iot.ui/src/main/resources/jaggeryapps/devicemgt/app/units/iot.unit.device.operation-bar/operation-bar.js b/components/iot-plugins/iot-base-plugin/org.wso2.carbon.device.mgt.iot.ui/src/main/resources/jaggeryapps/devicemgt/app/units/iot.unit.device.operation-bar/operation-bar.js
index a293457d36..49f417285e 100644
--- a/components/iot-plugins/iot-base-plugin/org.wso2.carbon.device.mgt.iot.ui/src/main/resources/jaggeryapps/devicemgt/app/units/iot.unit.device.operation-bar/operation-bar.js
+++ b/components/iot-plugins/iot-base-plugin/org.wso2.carbon.device.mgt.iot.ui/src/main/resources/jaggeryapps/devicemgt/app/units/iot.unit.device.operation-bar/operation-bar.js
@@ -20,6 +20,36 @@ function onRequest(context) {
     var log = new Log("operation.js");
     var operationModule = require("/app/modules/operation.js").operationModule;
     var device = context.unit.params.device;
+    var autoCompleteParams = context.unit.params.autoCompleteParams;
     var controlOperations = operationModule.getControlOperations(device.type);
+    var queryParams = [];
+    var formParams = [];
+    var pathParams = [];
+    for (var i = 0; i < controlOperations.length; i++) {
+        var currentParamList = controlOperations[i]["params"];
+        for (var j = 0; j < currentParamList.length; j++) {
+            var currentParam = currentParamList[j];
+            currentParamList[j]["formParams"] = processParams(currentParam["formParams"], autoCompleteParams);
+            currentParamList[j]["queryParams"] = processParams(currentParam["queryParams"], autoCompleteParams);
+            currentParamList[j]["pathParams"] = processParams(currentParam["pathParams"], autoCompleteParams);
+        }
+        controlOperations[i]["params"] = currentParamList;
+    }
     return {"control_operations": controlOperations, "device": device};
+}
+
+function processParams(paramsList, autoCompleteParams) {
+    for (var i = 0; i < paramsList.length; i++) {
+        var paramName = paramsList[i];
+        var paramValue = "";
+        var paramType = "text";
+        for (var k = 0; k < autoCompleteParams.length; k++) {
+            if (paramName == autoCompleteParams[k].name) {
+                paramValue = autoCompleteParams[k].value;
+                paramType = "hidden";
+            }
+        }
+        paramsList[i] = {"name": paramName, "value": paramValue, "type": paramType};
+    }
+    return paramsList;
 }
\ No newline at end of file
diff --git a/components/iot-plugins/virtual-fire-alarm-plugin/org.wso2.carbon.device.mgt.iot.virtualfirealarm.ui/src/main/resources/jaggeryapps/devicemgt/app/units/cdmf.unit.device.type.virtual_firealarm.device-view/device-view.hbs b/components/iot-plugins/virtual-fire-alarm-plugin/org.wso2.carbon.device.mgt.iot.virtualfirealarm.ui/src/main/resources/jaggeryapps/devicemgt/app/units/cdmf.unit.device.type.virtual_firealarm.device-view/device-view.hbs
index 5d0748d814..987fa099c1 100644
--- a/components/iot-plugins/virtual-fire-alarm-plugin/org.wso2.carbon.device.mgt.iot.virtualfirealarm.ui/src/main/resources/jaggeryapps/devicemgt/app/units/cdmf.unit.device.type.virtual_firealarm.device-view/device-view.hbs
+++ b/components/iot-plugins/virtual-fire-alarm-plugin/org.wso2.carbon.device.mgt.iot.virtualfirealarm.ui/src/main/resources/jaggeryapps/devicemgt/app/units/cdmf.unit.device.type.virtual_firealarm.device-view/device-view.hbs
@@ -15,7 +15,7 @@
         Operations
     </div>
     <div class="add-margin-top-4x">
-        {{unit "iot.unit.device.operation-bar" device=device backendApiUri=backendApiUri}}
+        {{unit "iot.unit.device.operation-bar" device=device backendApiUri=backendApiUri autoCompleteParams=autoCompleteParams}}
     </div>
 {{/zone}}
 
diff --git a/components/iot-plugins/virtual-fire-alarm-plugin/org.wso2.carbon.device.mgt.iot.virtualfirealarm.ui/src/main/resources/jaggeryapps/devicemgt/app/units/cdmf.unit.device.type.virtual_firealarm.device-view/device-view.js b/components/iot-plugins/virtual-fire-alarm-plugin/org.wso2.carbon.device.mgt.iot.virtualfirealarm.ui/src/main/resources/jaggeryapps/devicemgt/app/units/cdmf.unit.device.type.virtual_firealarm.device-view/device-view.js
index fcbb3c0e9c..2009b37fcb 100644
--- a/components/iot-plugins/virtual-fire-alarm-plugin/org.wso2.carbon.device.mgt.iot.virtualfirealarm.ui/src/main/resources/jaggeryapps/devicemgt/app/units/cdmf.unit.device.type.virtual_firealarm.device-view/device-view.js
+++ b/components/iot-plugins/virtual-fire-alarm-plugin/org.wso2.carbon.device.mgt.iot.virtualfirealarm.ui/src/main/resources/jaggeryapps/devicemgt/app/units/cdmf.unit.device.type.virtual_firealarm.device-view/device-view.js
@@ -20,12 +20,16 @@ function onRequest(context) {
     var log = new Log("device-view.js");
     var deviceType = context.uriParams.deviceType;
     var deviceId = request.getParameter("id");
+    var autoCompleteParams = [
+        {"name" : "deviceId", "value" : deviceId},
+        {"name" : "protocol", "value" : "MQTT"}
+    ];
 
     if (deviceType != null && deviceType != undefined && deviceId != null && deviceId != undefined) {
         var deviceModule = require("/app/modules/device.js").deviceModule;
         var device = deviceModule.viewDevice(deviceType, deviceId);
         if (device && device.status != "error") {
-            return {"device": device, "backendApiUri" : devicemgtProps["httpsURL"] + "/virtual_firealarm/"};
+            return {"device": device, "backendApiUri" : devicemgtProps["httpsURL"] + "/virtual_firealarm/", "autoCompleteParams" : autoCompleteParams};
         } else {
             response.sendError(404, "Device Id " + deviceId + " of type " + deviceType + " cannot be found!");
             exit();