diff --git a/assets/js/common.ts b/assets/js/common.ts
index 7a0f520..8d6e633 100644
--- a/assets/js/common.ts
+++ b/assets/js/common.ts
@@ -1,7 +1,6 @@
 import { createApp } from 'petite-vue'
 
-import { api, polling } from './settings'
-import { pageid, domain } from '@params'
+import { pageid, domain, nopoll } from '@params'
 
 type Config = {
 	apiurl: string
@@ -10,6 +9,7 @@ type Config = {
 	itemid: string
 	sid: string
 	iid: string
+	nopoll: boolean
 }
 
 export function config (api, polling): Config {
@@ -21,7 +21,8 @@ export function config (api, polling): Config {
 		domain: domain,
 		itemid: urlparams.get('id'),
 		sid: getSid(),
-		iid: createRandString(1)
+		iid: createRandString(1),
+		nopoll: nopoll
 	}
 }
 
@@ -29,7 +30,7 @@ export const pvapp = {
 	run(conf: Config) {
 		appdata.conf = conf
 		createApp(appdata).mount()
-		if (appdata.conf.pollurl) {
+		if (appdata.conf.pollurl && !appdata.conf.nopoll) {
 			appdata.poll()
 		}
 	}
@@ -84,7 +85,10 @@ function handle(msg) {
 	const [ domain, action, class_, item ] = msg.path.split('/')
 	//console.log('msgbase: ', domain, action, class_, item)
 	// TODO: check message parts (using default values), select handler fct
-	Object.assign(this.components[class_ || 'data'].data, data)
+	const comp = this.components[class_ || data]
+	if (comp != undefined) {
+		Object.assign(comp.data, data)
+	}
 }
 
 // basic functions - move to api.ts
diff --git a/assets/js/params-tsc.ts b/assets/js/params-tsc.ts
index b8747c9..62ac180 100644
--- a/assets/js/params-tsc.ts
+++ b/assets/js/params-tsc.ts
@@ -10,4 +10,4 @@ export const domain = 'domain-dummy'
 export const action = 'action-dummy'
 export const class_ = 'class-dummy'
 
-export const nopolling = false
+export const nopoll = false
diff --git a/assets/js/settings.ts b/assets/js/settings.ts
index a4c5fae..7ed65af 100644
--- a/assets/js/settings.ts
+++ b/assets/js/settings.ts
@@ -5,8 +5,8 @@ export const api = {
 //export const polling = null // suppress polling
 
 export const polling = {
-	msgbase: ['system', 'poll', 'service', 'pclt-0001']
-	//msgbase: ['system', 'poll', 'session']
+	//msgbase: ['system', 'poll', 'service', 'pclt-0001']
+	msgbase: ['system', 'poll', 'session']
 	//msgbase: ['system', 'poll', 'interaction']
 }
 
diff --git a/exampleSite/config.yaml b/exampleSite/config.yaml
index 43e8051..2818b79 100644
--- a/exampleSite/config.yaml
+++ b/exampleSite/config.yaml
@@ -28,6 +28,7 @@ params:
   api:
     domain: demo
     module: main.ts
+    nopoll: false
 
 taxonomies:
   domain: domains
diff --git a/exampleSite/content/app/login.md b/exampleSite/content/app/login.md
new file mode 100644
index 0000000..860361f
--- /dev/null
+++ b/exampleSite/content/app/login.md
@@ -0,0 +1,29 @@
+---
+title:  Login
+summary: Enter Login data
+img:
+pageid: app-login
+domains: [App]
+topics: [Examples]
+date:   2023-03-14
+author: helmutm
+draft:  false
+weight: 100
+api:
+  domain: system
+  nopoll: false
+---
+
+cyberscopes example site - Login Form
+
+{{< pv/fieldset name="login" >}}
+
+  Login: {{< pv/input-textline name="login" attrs="autofocus" >}}
+  Password: {{< pv/input-textline type="password" name="password" >}}
+  {{< pv/button label="Login" >}}
+
+{{< /pv/fieldset >}}
+
+---
+
+{{< pv/debug >}}
diff --git a/layouts/partials/js.html b/layouts/partials/js.html
index 023d927..8529d30 100644
--- a/layouts/partials/js.html
+++ b/layouts/partials/js.html
@@ -1,7 +1,8 @@
 {{- if $jsmod := $.Param "api.module" -}}
   {{- $pageid := or .Params.Pageid (and .File .File.UniqueID) "unknown" -}}
   {{- $params := dict "pageid" $pageid 
-  					  "domain" ($.Param "api.domain") -}}
+  					  "domain" ($.Param "api.domain")
+					  "nopoll" ($.Param "api.nopoll") | default false -}}
   {{- $js := resources.Get (printf "js/%s" $jsmod) | js.Build (
   		dict "minify" false "params" $params) -}}
   <script src="{{ $js.Permalink }}" defer></script>
diff --git a/layouts/shortcodes/pv/debug.html b/layouts/shortcodes/pv/debug.html
index fed3a50..ee27f27 100644
--- a/layouts/shortcodes/pv/debug.html
+++ b/layouts/shortcodes/pv/debug.html
@@ -4,6 +4,7 @@
 <div @vue:mounted="mounted('conf')">
   <div>item id: {| conf.itemid |}</div>
   <div>session id: {| conf.sid |}</div>
+  <div>interaction id: {| conf.iid |}</div>
 </div>
 
 <div @vue:mounted="mounted('output')">