diff --git a/.gitignore b/.gitignore
index 8b69396a..28d6b8a4 100644
--- a/.gitignore
+++ b/.gitignore
@@ -23,3 +23,5 @@ release.zip
 npm-debug.log*
 yarn-debug.log*
 yarn-error.log*
+/public/port-0.0.0-py3-none-any.whl
+/src/framework/processing/py/dist/port-0.0.0-py3-none-any.whl
diff --git a/public/port-0.0.0-py3-none-any.whl b/public/port-0.0.0-py3-none-any.whl
deleted file mode 100644
index 5ca44929..00000000
Binary files a/public/port-0.0.0-py3-none-any.whl and /dev/null differ
diff --git a/src/framework/command_router.ts b/src/framework/command_router.ts
index e3c51145..51124a01 100644
--- a/src/framework/command_router.ts
+++ b/src/framework/command_router.ts
@@ -1,4 +1,4 @@
-import { Command, Response, isCommandSystem, isCommandUI, CommandUI, CommandSystem } from './types/commands'
+import { Command, Response, isCommandSystem, isCommandSystemExit, isCommandUI, CommandUI, CommandSystem } from './types/commands'
 import { CommandHandler, Bridge, VisualisationEngine } from './types/modules'
 
 export default class CommandRouter implements CommandHandler {
@@ -17,14 +17,19 @@ export default class CommandRouter implements CommandHandler {
       } else if (isCommandUI(command)) {
         this.onCommandUI(command, resolve)
       } else {
-        reject(new TypeError('Unknown command' + JSON.stringify(command)))
+        reject(new TypeError('[CommandRouter] Unknown command' + JSON.stringify(command)))
       }
     })
   }
 
   onCommandSystem (command: CommandSystem, resolve: (response: Response) => void): void {
     this.bridge.send(command)
-    resolve({ __type__: 'Response', command, payload: { __type__: 'PayloadVoid', value: undefined } })
+
+    if (isCommandSystemExit(command)) {
+      console.log("[CommandRouter] Application exit")
+    } else {
+      resolve({ __type__: 'Response', command, payload: { __type__: 'PayloadVoid', value: undefined } })
+    }
   }
 
   onCommandUI (command: CommandUI, reject: (reason?: any) => void): void {
diff --git a/src/framework/processing/py/dist/port-0.0.0-py3-none-any.whl b/src/framework/processing/py/dist/port-0.0.0-py3-none-any.whl
deleted file mode 100644
index 5ca44929..00000000
Binary files a/src/framework/processing/py/dist/port-0.0.0-py3-none-any.whl and /dev/null differ
diff --git a/src/framework/processing/py/port/api/props.py b/src/framework/processing/py/port/api/props.py
index db8aa782..b1644bee 100644
--- a/src/framework/processing/py/port/api/props.py
+++ b/src/framework/processing/py/port/api/props.py
@@ -40,22 +40,6 @@ def toDict(self):
         return dict
 
 
-@dataclass
-class PropsUIFooter:
-    """Page footer
-
-    Attributes:
-        progressPercentage: float indicating the progress in the flow
-    """
-    progressPercentage: float
-
-    def toDict(self):
-        dict = {}
-        dict["__type__"] = "PropsUIFooter"
-        dict["progressPercentage"] = self.progressPercentage
-        return dict
-
-
 @dataclass
 class PropsUIPromptConfirm:
     """Retry submitting a file page
@@ -195,12 +179,10 @@ class PropsUIPageDonation:
         platform: the platform name the user is curently in the process of donating data from
         header: page header
         body: main body of the page, see the individual classes for an explanation
-        footer: page footer
     """
     platform: str
     header: PropsUIHeader
     body: PropsUIPromptRadioInput | PropsUIPromptConsentForm | PropsUIPromptFileInput | PropsUIPromptConfirm
-    footer: PropsUIFooter
 
     def toDict(self):
         dict = {}
@@ -208,7 +190,6 @@ def toDict(self):
         dict["platform"] = self.platform
         dict["header"] = self.header.toDict()
         dict["body"] = self.body.toDict()
-        dict["footer"] = self.footer.toDict()
         return dict
 
 
diff --git a/src/framework/processing/py/port/main.py b/src/framework/processing/py/port/main.py
index 7b0bb78b..3bcc269e 100644
--- a/src/framework/processing/py/port/main.py
+++ b/src/framework/processing/py/port/main.py
@@ -1,5 +1,6 @@
 from collections.abc import Generator
 from port.script import process
+from port.api.commands import CommandSystemExit
 
 
 class ScriptWrapper(Generator):
@@ -7,8 +8,12 @@ def __init__(self, script):
         self.script = script
 
     def send(self, data):
-        command = self.script.send(data)
-        return command.toDict()
+        try:
+            command = self.script.send(data)
+        except StopIteration:
+            return CommandSystemExit(0, "End of script").toDict()
+        else:
+            return command.toDict()
 
     def throw(self, type=None, value=None, traceback=None):
         raise StopIteration
diff --git a/src/framework/processing/py/port/script.py b/src/framework/processing/py/port/script.py
index 806ff3b1..aeefa1d8 100644
--- a/src/framework/processing/py/port/script.py
+++ b/src/framework/processing/py/port/script.py
@@ -6,82 +6,56 @@
 
 
 def process(sessionId):
-    yield donate(f"{sessionId}-tracking", '[{ "message": "user entered script" }]')
-
-    platforms = ["Twitter", "Facebook", "Instagram", "Youtube"]
-
-    subflows = len(platforms)
-    steps = 2
-    step_percentage = (100/subflows)/steps
-
-    # progress in %
-    progress = 0
-
-    for index, platform in enumerate(platforms):
-        meta_data = []
-        meta_data.append(("debug", f"{platform}: start"))
-
-        # STEP 1: select the file
-        progress += step_percentage
-        data = None
-        while True:
-            meta_data.append(("debug", f"{platform}: prompt file"))
-            promptFile = prompt_file(platform, "application/zip, text/plain")
-            fileResult = yield render_donation_page(platform, promptFile, progress)
-            if fileResult.__type__ == 'PayloadString':
-                meta_data.append(("debug", f"{platform}: extracting file"))
-                extractionResult = doSomethingWithTheFile(platform, fileResult.value)
-                if extractionResult != 'invalid':
-                    meta_data.append(("debug", f"{platform}: extraction successful, go to consent form"))
-                    data = extractionResult
-                    break
-                else:
-                    meta_data.append(("debug", f"{platform}: prompt confirmation to retry file selection"))
-                    retry_result = yield render_donation_page(platform, retry_confirmation(platform), progress)
-                    if retry_result.__type__ == 'PayloadTrue':
-                        meta_data.append(("debug", f"{platform}: skip due to invalid file"))
-                        continue
-                    else:
-                        meta_data.append(("debug", f"{platform}: retry prompt file"))
-                        break
-            else:
-                meta_data.append(("debug", f"{platform}: skip to next step"))
+    key = "zip-contents-example"
+    meta_data = []
+    meta_data.append(("debug", f"{key}: start"))
+
+    # STEP 1: select the file
+    data = None
+    while True:
+        meta_data.append(("debug", f"{key}: prompt file"))
+        promptFile = prompt_file("application/zip, text/plain")
+        fileResult = yield render_donation_page(promptFile)
+        if fileResult.__type__ == 'PayloadString':
+            meta_data.append(("debug", f"{key}: extracting file"))
+            extractionResult = doSomethingWithTheFile(fileResult.value)
+            if extractionResult != 'invalid':
+                meta_data.append(("debug", f"{key}: extraction successful, go to consent form"))
+                data = extractionResult
                 break
+            else:
+                meta_data.append(("debug", f"{key}: prompt confirmation to retry file selection"))
+                retry_result = yield render_donation_page(retry_confirmation())
+                if retry_result.__type__ == 'PayloadTrue':
+                    meta_data.append(("debug", f"{key}: skip due to invalid file"))
+                    continue
+                else:
+                    meta_data.append(("debug", f"{key}: retry prompt file"))
+                    break
 
-        # STEP 2: ask for consent
-        progress += step_percentage
-        if data is not None:
-            meta_data.append(("debug", f"{platform}: prompt consent"))
-            prompt = prompt_consent(platform, data, meta_data)
-            consent_result = yield render_donation_page(platform, prompt, progress)
-            if consent_result.__type__ == "PayloadJSON":
-                meta_data.append(("debug", f"{platform}: donate consent data"))
-                yield donate(f"{sessionId}-{platform}", consent_result.value)
-
-    yield exit(0, "Success")
-    yield render_end_page()
-
-
-def render_end_page():
-    page = props.PropsUIPageEnd()
-    return CommandUIRender(page)
+    # STEP 2: ask for consent
+    meta_data.append(("debug", f"{key}: prompt consent"))
+    prompt = prompt_consent(data, meta_data)
+    consent_result = yield render_donation_page(prompt)
+    if consent_result.__type__ == "PayloadJSON":
+        meta_data.append(("debug", f"{key}: donate consent data"))
+        yield donate(f"{sessionId}-{key}", consent_result.value)
 
 
-def render_donation_page(platform, body, progress):
+def render_donation_page(body):
     header = props.PropsUIHeader(props.Translatable({
-        "en": platform,
-        "nl": platform
+        "en": "Port flow example",
+        "nl": "Port voorbeeld flow"
     }))
 
-    footer = props.PropsUIFooter(progress)
-    page = props.PropsUIPageDonation(platform, header, body, footer)
+    page = props.PropsUIPageDonation("Zip", header, body)
     return CommandUIRender(page)
 
 
-def retry_confirmation(platform):
+def retry_confirmation():
     text = props.Translatable({
-        "en": f"Unfortunately, we cannot process your {platform} file. Continue, if you are sure that you selected the right file. Try again to select a different file.",
-        "nl": f"Helaas, kunnen we uw {platform} bestand niet verwerken. Weet u zeker dat u het juiste bestand heeft gekozen? Ga dan verder. Probeer opnieuw als u een ander bestand wilt kiezen."
+        "en": "Unfortunately, we cannot process your file. Continue, if you are sure that you selected the right file. Try again to select a different file.",
+        "nl": "Helaas, kunnen we uw bestand niet verwerken. Weet u zeker dat u het juiste bestand heeft gekozen? Ga dan verder. Probeer opnieuw als u een ander bestand wilt kiezen."
     })
     ok = props.Translatable({
         "en": "Try again",
@@ -94,16 +68,16 @@ def retry_confirmation(platform):
     return props.PropsUIPromptConfirm(text, ok, cancel)
 
 
-def prompt_file(platform, extensions):
+def prompt_file(extensions):
     description = props.Translatable({
-        "en": f"Please follow the download instructions and choose the file that you stored on your device. Click “Skip” at the right bottom, if you do not have a {platform} file. ",
-        "nl": f"Volg de download instructies en kies het bestand dat u opgeslagen heeft op uw apparaat. Als u geen {platform} bestand heeft klik dan op “Overslaan” rechts onder."
+        "en": "Please select any zip file stored on your device.",
+        "nl": "Selecteer een willekeurige zip file die u heeft opgeslagen op uw apparaat."
     })
 
     return props.PropsUIPromptFileInput(description, extensions)
 
 
-def doSomethingWithTheFile(platform, filename):
+def doSomethingWithTheFile(filename):
     return extract_zip_contents(filename)
 
 
@@ -121,7 +95,7 @@ def extract_zip_contents(filename):
         return "invalid"
 
 
-def prompt_consent(id, data, meta_data):
+def prompt_consent(data, meta_data):
 
     table_title = props.Translatable({
         "en": "Zip file contents",
@@ -133,15 +107,19 @@ def prompt_consent(id, data, meta_data):
         "nl": "Log berichten"
     })
 
-    data_frame = pd.DataFrame(data, columns=["filename", "compressed size", "size"])
-    table = props.PropsUIPromptConsentFormTable("zip_content", table_title, data_frame)
+    tables=[]
+    if data is not None:
+        data_frame = pd.DataFrame(data, columns=["filename", "compressed size", "size"])
+        tables = [props.PropsUIPromptConsentFormTable("zip_content", table_title, data_frame)]
+
     meta_frame = pd.DataFrame(meta_data, columns=["type", "message"])
     meta_table = props.PropsUIPromptConsentFormTable("log_messages", log_title, meta_frame)
-    return props.PropsUIPromptConsentForm([table], [meta_table])
+    return props.PropsUIPromptConsentForm(tables, [meta_table])
 
 
 def donate(key, json_string):
     return CommandSystemDonate(key, json_string)
 
+
 def exit(code, info):
-    return CommandSystemExit(code, info)
\ No newline at end of file
+    return CommandSystemExit(code, info)
diff --git a/src/framework/types/elements.ts b/src/framework/types/elements.ts
index 26847aeb..0e6f33dc 100644
--- a/src/framework/types/elements.ts
+++ b/src/framework/types/elements.ts
@@ -330,16 +330,6 @@ export function isPropsUIHeader (arg: any): arg is PropsUIHeader {
   return isInstanceOf<PropsUIHeader>(arg, 'PropsUIHeader', ['title'])
 }
 
-// Footer
-
-export interface PropsUIFooter {
-  __type__: 'PropsUIFooter'
-  progressPercentage: number
-}
-export function isPropsUIFooter (arg: any): arg is PropsUIFooter {
-  return isInstanceOf<PropsUIFooter>(arg, 'PropsUIFooter', ['progressPercentage'])
-}
-
 // TABLE
 
 export interface PropsUITable {
diff --git a/src/framework/types/pages.ts b/src/framework/types/pages.ts
index f89a8553..c91136c7 100644
--- a/src/framework/types/pages.ts
+++ b/src/framework/types/pages.ts
@@ -1,5 +1,5 @@
 import { isInstanceOf } from '../helpers'
-import { PropsUIFooter, PropsUIHeader } from './elements'
+import { PropsUIHeader } from './elements'
 import { PropsUIPromptFileInput, PropsUIPromptConfirm, PropsUIPromptConsentForm, PropsUIPromptRadioInput } from './prompts'
 
 export type PropsUIPage =
@@ -23,10 +23,9 @@ export interface PropsUIPageDonation {
   platform: string
   header: PropsUIHeader
   body: PropsUIPromptFileInput | PropsUIPromptConfirm | PropsUIPromptConsentForm | PropsUIPromptRadioInput
-  footer: PropsUIFooter
 }
 export function isPropsUIPageDonation (arg: any): arg is PropsUIPageDonation {
-  return isInstanceOf<PropsUIPageDonation>(arg, 'PropsUIPageDonation', ['platform', 'header', 'body', 'footer'])
+  return isInstanceOf<PropsUIPageDonation>(arg, 'PropsUIPageDonation', ['platform', 'header', 'body'])
 }
 
 export interface PropsUIPageEnd {