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How to Call Soap Webservice from Model Driven PowerApp

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Posted on by sartham

Hello Community

I need to call a SOAP webservice from Model driven app in a Synchronous way, what are my options ?
In one scenario, Model-driven app need to fetch data from this external SOAP webservice.

In another scenario, Model-driven app need to submit data to this external SOAP webservice.

Any ideas would be helpful.

Regards

San

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Microsoft Dataverse with Power Apps

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EricRegnier 8,720 Most Valuable Professional on at

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Hi @sartham,

The recommendation is to use the JavaScript fetch operation. More info: https://developer.mozilla.org/en-US/docs/Web/API/Fetch_API/Using_Fetch

Hope this helps!

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Prakash4691 1,332 on at

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@sartham ,

You can try, plugin pre-operation - if there are any external dll's available or through http request.

Also custom workflow, implement your custom workflow and call your custom workflow from OOB real time workflow.

If it answers your question, kindly give kudo and accept it as solution.

Regards,

Prakash

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EricRegnier 8,720 Most Valuable Professional on at

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@Prakash4691, what do you mean by custom workflow, classic workflows? Also, a Dataverse plugin will not work for external DLLs, and ILMerge is not supported.

@sartham I assume you needed client-side logic, if you need server-side logic, then Azure aware plugins would be the best. Have a look at this article, guidance #2: https://powerusers.microsoft.com/t5/Power-Apps-Community-Blog/Best-practices-when-customizing-Power-Platform-and-Dataverse/ba-p/1499115

Hope this helps!

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Prakash4691 1,332 on at

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@EricRegnier ,

I mean like plugin we can develop custom workflow activity. Register through plugin and call custom workflow from OOB standard workflow.

There are alternatives available, in case if external DLLs need to be used or else we can go with http request.

Regards,

Prakash

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EricRegnier 8,720 Most Valuable Professional on at

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Custom workflow activity and custom action are deprecated. Should be using Custom APIs. But to keep the solution simple, this is not required for @sartham's case since it's just the update message they're after.

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Prakash4691 1,332 on at

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@EricRegnier ,

Custom workflow is not deprecated. Also the scenarios are to post the data and retrieve from external service.

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sartham 12 on at

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Thank you @EricRegnier and @Prakash4691 for the ideas.
I prefer C# over JavaScript when possible, and i don't have external DLLs.
So can i write a C# Plugin to call the external SOAP webservice ?

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Verified answer

Prakash4691 1,332 on at

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@sartham ,

Yes you can.

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EricRegnier 8,720 Most Valuable Professional on at

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Hi @sartham, yes you can with the standard libraries from the .NET framework but note plugins will not work for external DLLs, and ILMerge is not supported. Also, plugins will timeout at 2 min. The MS best practice from FastTrack tram is if plugin will take more than 200ms to execute look at Azure aware plugins. Since you're relying on another system and it's not controllable, you may have those risks. Have a look at this article, guidance #2: https://powerusers.microsoft.com/t5/Power-Apps-Community-Blog/Best-practices-when-customizing-Power-...

Hope this helps!

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EricRegnier 8,720 Most Valuable Professional on at

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@sartham almost forgot but if you need async/backgroud operation you can also use Power Automate flow, will avoid some custom code. Here a video to help with that: https://www.youtube.com/watch?v=h3BIF08Yp6g

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