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Power Platform Community / Forums / Power Apps / Param is not working i...
Power Apps
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Param is not working in Sharepoint Canvas App

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Posted on by Erik63 31

Hello,

 

I do not understand why I am not able to read the Parameter I am passing from one Canvas app to another.  I can see that I am sending the parameter (projectName) in the URL:

.../sites/jdp/Design_process/Prog_data_store/Lists/Project_Storage/NewForm.aspx?RootFolder=&projectName=BHS_AVC_CP

 

This is the code I am using to read the incoming parameter:

Erik63_0-1648180710204.png

 But I am not able to see in the app.

Erik63_1-1648180762871.png

 

Any ideas?

 

Thanks for any help!  -Erik

Categories:
Building Power Apps
  • v-bofeng-msft Profile Picture
    v-bofeng-msft Microsoft Employee on at

    Hi @Erik63 :

    I'm afraid that param is not available in embedded scenarios too.

    vbofengmsft_0-1648447137372.png

    The workaround is using a URI like this

    https://apps.powerapps.com/play/{APPID}?tenantId={tenantId}&projectName=BHS_AVC_CP

    vbofengmsft_1-1648447351606.png

    You can find the app id in the app details

     

    vbofengmsft_2-1648447402098.png

    You can find tenantid in the web link of other apps in the default environment.

     

    vbofengmsft_4-1648447608908.png

     

     

    vbofengmsft_3-1648447575517.png

     

     

    Best Regards,

    Bof

     

  • Erik63 Profile Picture
    Erik63 31 on at

    Thank you @v-bofeng-msft! II tried this, and I am getting string to pass, however I am not getting a Choice.Selected.Value to pass, is this not possible?

  • v-bofeng-msft Profile Picture
    v-bofeng-msft Microsoft Employee on at

    Hi @Erik63 :

       Could you please show more details?

    Best Regards,

    Bof

  • Erik63 Profile Picture
    Erik63 31 on at

    Hello @v-bofeng-msft ,

    I am using this formula for OnSuccess:

    Launch("https://apps.powerapps.com/play/e99bc44c-2497-4383-bdf3-ddf607604555?tenantId=46c98d88-e344-4ed4-8496-4ed7712e555d",

    {projectName:FinalName.Text,projectType:ProjectType.Selected.Value,boardType:BoardTypeAcronym.Text}

     

    In this launch the parameter “projectType” is a value of a choice field the other 2 are text fields.  Although I can see that it is getting the correct parameter in the PowerApp for boardType and projectName, it is not passing anything for projectType.

    https://apps.powerapps.com/play/providers/Microsoft.PowerApps/apps/e99bc44c-2497-4383-bdf3-ddf607604555?projectName=CP_BB&boardType=BB

     

    Thank you!

       -Erik

  • v-bofeng-msft Profile Picture
    v-bofeng-msft Microsoft Employee on at

    Hi @Erik63 :

    Could you please check whether the value of ProjectType.Selected.Value is null or not?

    Best Regards,

    Bof

  • Erik63 Profile Picture
    Erik63 31 on at

    Hi @v-bofeng-msft ,

     

    This is the function in the text box "projectType": "projectType :" & ProjectType.Selected.Value

     

    And this is the content of the box before it is submitted:

    Erik63_0-1648609569415.png

     

     

    This is the launch URL: https://apps.powerapps.com/play/providers/Microsoft.PowerApps/apps/e99bc44c-2497-4383-bdf3-ddf607604555?projectName=FED_BB&boardType=BB

     

    I have tried this with several input types, and it seems like it only works with strings.  The projectName that does append to the URL is a concatenation of entries, so I tried concatenate( projectType).  When I do this the URL now shows the parameter, but it has no value.

    https://apps.powerapps.com/play/providers/Microsoft.PowerApps/apps/e99bc44c-2497-4383-bdf3-ddf607604555?projectName=FED_BB&projectType=&boardType=BB

     

    Thanks, 

        -Erik

  • BCBuizer Profile Picture
    BCBuizer 22,899 Super User 2026 Season 2 on at

    Hi @Erik63 ,

     

    Please add .Text to get the value of the text box:

     

    concatenate( projectType.Text)

  • Erik63 Profile Picture
    Erik63 31 on at

    Thanks @BCBuizer ,

    but that does not work since projectType is a choice field, and I have tried concatenate(projectType.Selected.Value) and that does not work either. 

    This is not something really wanted to do, it was just a test to see if it made any difference in allowing parameters to be attached to the URL.

     

    Thanks,

         -Erik

  • BCBuizer Profile Picture
    BCBuizer 22,899 Super User 2026 Season 2 on at

    Hi @Erik63 ,

     

    Got confused by the projectCode label and ProjectCode combbox 😉

     

    What you may do is to have a hidden label somewhere with ProjectType.Selected.Value as the Text property. The refer to that label from your Launch() function:

     

    Launch("https://apps.powerapps.com/play/e99bc44c-2497-4383-bdf3-ddf607604555?tenantId=46c98d88-e344-4ed4-849...",

{projectName:FinalName.Text,projectType:HiddenLabel.Text,boardType:BoardTypeAcronym.Text}
  • Erik63 Profile Picture
    Erik63 31 on at

    Thank you @BCBuizer., however I have tried that one before, and it too does not work.

     

    Setup

    • Hidden label (ProjectTypeVar):

    Erik63_0-1649276109228.png

    • A textbox to confirm that the “ProjectTypeVar” was assigned:

    Erik63_1-1649276212923.png

    • The change to the Launch:

    Erik63_2-1649276266285.png

    Results

    • The ProjectTypeVar is assigned

    Erik63_3-1649276349765.png

    • However, the generated URL still does not have the projectType in the parameter:

    https://apps.powerapps.com/play/e99bc44c-2497-4383-bdf3-ddf607604555?tenantId=46c98d88-e344-4ed4-8496-4ed7712e255d%3F&projectName=FED_BB&boardType=BB

     

    -Erik

     

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