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Working with Image and File Types in Dataverse(CDS)

Image and File Column Data Types are great addition to the Dataverse (CDS) but I found it a little bit hard and tricky to deal with them using power automate so I will be detailing below how to deal with them in terms of:


1. Uploading an Image , a common scenario when it is passed from power apps or through third Party Integration.

2. Downloading a File attachment and sending it as email.


How this fields are created in Data Verse?

1. Go to

2. Click on Solutions-> Add new solution -> Add your table to the solution

3. Open your Table for Example: Account Table -> Click Add Column and then choose field type as Image or File


4. Go to your Form and add the drag and drop the 2 columns on the form, Save and Publish form.




Then you can open your form and choose the file for your image and file.



So Let's get started by Uploading Image Using Power Automate, for the sake of this article I will be using a Manual Trigger:


So there is a very clear action on the CDS(Current Environment Connector) called Upload File or Image Content and to my surprise it looked super easy and clear.



Entity name: Select your Table Name(Accounts)

Item ID: Selected account id to which the image will be uploaded

Field Name: To select your Image or File Attribute Column Name

Content :???????????????? And here it come to the tricky part , I tried to pass base64 directly and it didn't work , after a little bit of working around it I found the Trick; Content Parameter needs to be passed in the format below for PNG images:

"$content-type": "image/png",







Run the workflow and tested it and the image came beautifully on the form as below:



Now comes the part where we want to download the Image/File and send it as attachment in an email




Entity name: Select your Table Name(Accounts)

Item ID: Selected account id to which the image will be uploaded

Field Name: To select your Image or File Attribute Column Name


The output of this Action is File or Image Content which we will use in the step below to send email with attachment.





Tested the flow and email was sent with the image attached as below:


Hope this is useful!Mira_Ghaly_1-1611913830965.png




About the Author
  • Experienced Consultant with a demonstrated history of working in the information technology and services industry. Skilled in Office 365, Azure, SharePoint Online, PowerShell, Nintex, K2, SharePoint Designer workflow automation, PowerApps, Microsoft Flow, PowerShell, Active Directory, Operating Systems, Networking, and JavaScript. Strong consulting professional with a Bachelor of Engineering (B.E.) focused in Information Technology from Mumbai University.
  • I am a Microsoft Business Applications MVP and a Senior Manager at EY. I am a technology enthusiast and problem solver. I work/speak/blog/Vlog on Microsoft technology, including Office 365, Power Apps, Power Automate, SharePoint, and Teams Etc. I am helping global clients on Power Platform adoption and empowering them with Power Platform possibilities, capabilities, and easiness. I am a leader of the Houston Power Platform User Group and Power Automate community superuser. I love traveling , exploring new places, and meeting people from different cultures.
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