Nishant Rana's Weblog

Analyzing PowerApps Canvas and Model-Driven Apps Performance

Analyzing PowerApps Canvas and Model-Driven Apps Performance

How to – Submit multipart/form-data using HTTP action in Power Automate (Dataverse)

Recently we were calling an API (that expects multipart/form-data) to pass the image uploaded in Dataverse’s Image Column.

We used Power Automate for this i.e. to get the image uploaded and use HTTP Action to call and pass the Image details to it.

Below is the specification of the API

https://vision.foodvisor.io/docs/#/paths/analysis/post

We used the “Download a file or an image” action to get the Image details

Below is how the HTTP action was used to pass the required details.

The successful response –

The body of the HTTP action –

{
"$content-type": "multipart/form-data",
"$multipart": [
    {
      "headers": {
        "Content-Disposition": "form-data; name=\"image\"; fileName=\"@{items('Apply_to_each_2')?['filename']}\""
      },
      "body": @{body('Download_a_file_or_an_image')}
    }
  ]
}

If we want to pass more than one data, we can have multiple headers defined as shown below

Helpful post –

Using Multipart/Form-Data in a Power Automate or Logic Apps HTTP Action

View at Medium.com

Hope it helps..

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The ‘Retrieve’ method does not support entities of type ‘fileattachment’ – Power Automate / Dataverse

We were getting the below error on using the “Get a row by ID” action on the FileAttachments table.

We were doing it to retrieve the details like the file name and the mime type for the Image Column.

The ‘Retrieve’ method does not support entities of type ‘fileattachment’. MessageProcessorCache returned MessageProcessor.Empty.

The solution here is to use List rows action instead.

The corresponding record –

Also check – https://temmyraharjo.wordpress.com/2021/09/02/dynamics-crm-plugin-development-exploring-file-and-image-datatype/

Hope it helps..

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Flow UI showing up blank – Power Automate

Recently on trying to open a cloud flow for editing, within the Power Apps Maker Portal,

the screen appeared blank as shown below.

This was in the Chrome browser, signing out and signing in again also didn’t help.

The same was the case inside the Edge browser.

Interestingly we were able to edit from within the Power Automate Maker Portal, so we continued our work from there.

Finally, the issue was resolved automatically after 6-8 hours or so, and we could edit the cloud from the Power Apps Maker Portal also.

Hope it helps..

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Timestamp Frequency (Field Service Settings) in Dynamics 365 Field Service

The Timestamp frequency defines when the Booking Timestamp record should be created from the Bookable Resource booking record.

Per Booking Status Change
Per Field Service Status Change

By default, it is Per Field Service Status Change, in this case, the Booking Timestamp will be created on the change of Field Service Status.

Let us update a Bookable Resource Booking record’s status from In Progress to Arrived.

Here we will not see any Booking Timestamp record created as the Field Service Status remains the same – “In Progress”

On changing it to On Break, we can see a new booking timestamp record created as that changes the Field Service Status.

The booking timestamp record :-

In the case of Timestamp Frequency as “Per Booking Status Change”, the booking timestamp record will be created on the change of the booking status in the Bookable Resource Booking record.

Also in the case of “Pre Booking Status Change”, the booking timestamp record created will have the Booking Status captured which is blank in the case
of “Per Field Service Status Change” as shown below

Get more details

Hope it helps..

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Fixed – To start using cloud flows, update to the latest package in the admin center (Power Pages)

Recently while trying to implement the below feature –

How to: Integrate Power Automate cloud flow with a Power Pages site

We were getting the below error –

“To start using cloud flows, update to the latest package in the admin center.”

However, we could not find any portal package to apply the update.

We raised a Microsoft Support Ticket for it, and the team confirmed that there was a missing CDSBasePortal package, which they installed from the background, which solved the issue for us.