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ianwuk
Post Partisan
Post Partisan

Help needed with SMTP connector (send email v3) and adding an attachment variable

Hello Everyone.

 

I have a flow that works like this:

 

1 - It lists files in a OneDrive folder and gets the file content.

 

ianwuk_0-1683077344872.png


2 - It adds them to an array called Images.

ianwuk_1-1683077401958.png

 

I then want to send an email with those images in the array and I use the SMTP Send Email (v3) action.

In the SMTP connector action, I have for sending an email, I attach the Images array under Attachments.

 

ianwuk_2-1683077447741.png

However, when I run the flow, and it gets to the SMTP action (Send Email V3) it fails, with the error:

 

The 'inputs.parameters' of workflow operation 'Send_Email_(V3)' of type 'OpenApiConnection' is not valid. Error details: The API operation 'SendEmailV3' is missing required property 'emailMessage/Attachments/0/ContentData'.

 

For reference, if I use the Microsoft Outlook Send an email V2 action, and attach the attachments array in the same way then it works without issue.

 

How do I fix this so the email sends with the attached images from the array using the SMTP Send Email (v3) action?

 

Thanks so much for any help!

8 REPLIES 8
ianwuk
Post Partisan
Post Partisan

An update on this.

 

I updated my flow to create a new variable for use with the SMTP action with the following parameters:

ianwuk_1-1683101447709.png

For ContentData for expression is body('Get_file_content')['$content'].

I then added this new attachment variable to the SMTP send email action.

ianwuk_2-1683101498922.png

 

The SMTP email action now sends the email, with the attachment, except the image files cannot be opened

 

ianwuk_3-1683101595755.png

 

Can anyone kindly point me in the right direction to fix this please?

Thank you so much!

Hi @ianwuk ,

 

According to below thread, could you please try and modify ContentType to be emply (" ") then check the result?

Solved: SMTP connector - send email with attachment - Power Platform Community (microsoft.com)

{
    "ContentData": @{body('Get_file_content')},
    "ContentType": " ",
    "FileName": @{items('Apply_to_each')?['Name']},
    "ContentId": "1"
  }

 

Best regards,

Community Support Team _ Jeffer Ni

If this post helps, then please consider Accept it as the solution to help the other members find it.

Thank you for taking the time to reply @v-jefferni 

 

I updated the contents of the SMTP image array to look like this, making sure ContentType was empty.

 

ianwuk_0-1683173168240.png

 

The flow ran, but the end result was the same, the images were in the email, but they could not be opened.

ianwuk_1-1683173255318.png

 

Do they have to be decoded or something?

 

Alternatively, if the images don't work as attachments, how can I then embed the same images in to the email instead?

 

Any further advice is much appreciated - thank you!!

ianwuk
Post Partisan
Post Partisan

@DamoBird365 I am the guy who left a comment on your YouTube video about the SMTP email action.

 

I don't suppose you can help with my final piece of this problem?

 

Thank you so much!

tmiller888
Frequent Visitor

I can't verify specifically for the Send Email (v3) action, but I have a flow where I use the Send Email (v2) action and a Start and Wait for Approval action.  I found that I need different formats for the attachments array for each of those to work.

 

For attaching to the approval, I use "Name" and "Content" as the names of the properties.  For attaching to the email, I use "Name" and "ContentBytes" as the names of the properties.  But, the value for Content and ContentBytes is the same: body('Get_attachment_content')

 

tmiller888_0-1689703608450.png

 

You have to extract Media Type with "Get file metadata"

 

Teteriachenko_1-1712656334640.png

 

And afterwards images will be showing

Teteriachenko_2-1712656402878.png

 

 

 

The OneDrive version of "get file metadata" doesn't get the files "content data". The output "body" just lists all the properties of the file, not including the data.

PA-user
New Member

@ianwuk,

 

Did you get this problem solved?

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