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Powerapps flow to get PDF file from sharepoint

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Posted on by icturion

Hello,

I want to beable to open a PDF file from a Sharepoint document library within my powerapp. for this to work using Power Automate.

I start with a https get Request as trigger and tha i'm trying to get the itemid by using Variable:

trigger()['outputs']['queries']['itemid']

i want to use the itemid to get the file contact of the pdf file that triggerd the flow.

And then i deliver the file contact back to my powerapp.

The problem is that

trigger()['outputs']['queries']['itemid'] is not working i get an error:

Unable to process template language expressions in action 'Initialize_variable' inputs at line '1' and column '2871': 'The template language expression 'trigger()['outputs']['queries']['itemid']' cannot be evaluated because property 'queries' doesn't exist, available properties are 'headers'. Please see https://aka.ms/logicexpressions for usage details.'.

hopefully someone knows a better way

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Building flows

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MJain 2,450 on at

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Hi @icturion ,

queries exist in triggerBody.
use Compose action to check what is available in queries like this :
triggerBody()?['queries']

Thanks

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icturion 83 on at

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thx for the quick respons.

if i use trigger or triggerbody the only options are:
- UriPathAndQuery
- uriQuery
I got queries from the http get function.

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MJain 2,450 on at

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Hi @icturion ,

Please provide flow screenshot of initial steps.

Thanks

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icturion 83 on at

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icturion 83 on at

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Hi,

this article does the same steps: https://centricconsulting.com/blog/how-to-use-powerapps-to-view-pdfs-step-2-microsoft-flow_portal/

But this doesn't work.

Maybe someone knows a better way to make the PDF viewer work with pdf that are located in a sharepoint document library.

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MJain 2,450 on at

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Hi @icturion ,

itemid is passed from Powerapp and this request should be set as "Get" under Show advanced option. Once you do this it should be working fine.

Thanks

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yabela 53 on at

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Hi, have you managed to solve this, please? Getting the same error with the below flow:

Thanks.

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icturion 83 on at

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Hi Yabela,

i got i to work.

This is my powerautomate that i use:

This is the code in my PowerApp.
screen - Onvisible:
pdateContext({ loading_v: true });;
UpdateContext({
pdf_v:
DocumentophalenPowerAppBHV.Run(
Concatenate( First( Split( selecteditem_v.Naam; "." ) ).Result; ".pdf" )
)
});;
UpdateContext({ loading_v: false })

PDF viewer - Document:
pdf_v.pdf

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Laur_Adri 2 on at

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Hi,

The flow you use was working for me for about 2-3 months until yesterday...
Did the same happen to you or is yours still working?

Didn't change anything in the code.

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icturion 83 on at

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Hi,

For us the flow is still working.

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