I want to add a subscribe button to multiple SharePoint pages to offer users the ability to be alerted when an update is made to that page. I understand I will need to build a flow as well, but first I am building the app. I would like the app to collect the users email and the page they subscribed to a SharePoint list. At some point the subscribe button would also then become an unsubscribe button.
Situation:
So far I have an app with:
1. Text Input >named>>txtPageName >> default text is >>ThisItem.PageURL
2. Text Input >named>> txtUserEmail >> default text is >>User().Email
3. Button >named>> btnSubscribe >> Action OnSelect is >>Patch('Subscription list',Defaults('Subscription list'),{Title: txtPageName.Text,'User Email': User().Email,'Subscription Date': Now()}); Notify("You have successfully subscribed!",NotificationType.Success)
SharePoint List Columns:
Title
User Email
When I use the app from a SharePoint page the user email is populating to the list but the but the Title column returns ThisItem.PageURL.
Question:
What changes do I need to make to successfully capture the URL of the page the app is being used on?
How do I collect the URL of the page a powerapp form is used on?
I did exactly that application for a Sharepoint page :). All you need is to add a parameter to the url with '¶mName=value'. Then, on your app, you can collect the parameter with Param("paramName") in your 'onStart' event of the app.
It should look like this:
app url:
In app:
Then, you can process as you wish depending on the parameter you got from the url.
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How do I collect the URL of the page a powerapp form is used on?
Thank you @vipuljain03 for the detailed explanation.
I was eager to jump in and try your suggestions. I tried both options, and updated the patch to reflect the change but it continues to come up blank. What could I be missing?
How do I collect the URL of the page a powerapp form is used on?
Issue:
The issue will be how ThisItem.PageURLis being understood within the Power Apps context when embedded in a SharePoint page.
You are setting the default text of the txtPageName to ThisItem.PageURL. This is only going to work within the context of a SharePoint list or library form. Since you are embedding this app on a SharePoint page, this context does not exist.
Solution:
Use the Param() function in Power Apps to capture the URL parameters that SharePoint passes to the embedded app. SharePoint passes the page URL as a parameter when you embed a Power App. Instead of using ThisItem.PageURL as the default text, use Param("SPHostUrl") & Param("SPPageUrl") OR Param("WebPartFullPageUrl")
Param("SPHostUrl") - This retrieves the base URL of the SharePoint site where the app is embedded.
Param("SPPageUrl") - This retrieves the relative URL of the specific page where the app is embedded.
Note: By concatenating these two parameters (SPHostUrl & SPPageUrl), you reconstruct the full URL of the SharePoint page.
Param("WebPartFullPageUrl") - fetches the full URL of the SharePoint page where the Power Apps app is embedded.
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