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Passing email attachment PDF to custom trained AI model inside Do Unitl loop

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Posted on by microsoftee

Getting email PDF attachment from email in ApplyToEach loop to pass to AI Model Extract info from docs, work smoothly using Dynamic Content values using expression.

items('Apply_to_each')?['contentBytes']

I'm trying to pass file content to AI model inside Do Until loop and I tried all possibilities of expression to get file content but it doesn't work though I can able to get attachment file name, size etc.

Following expressions I tried and it didn't work.

items('ProcessEmails')?['attachments'][variables('counter')]?['contentBytes']

Following expression works for ContentType

items('ProcessEmails')?['attachments'][variables('counter')]?['contentType']

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Matthy79 4,180 Super User 2024 Season 1 on at

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Hello @microsoftee,

this is a very special bug. I've created a ticket a view months ago but Microsoft doesn't understand the question or requirement. The ticket is still open.

Possible workaround could be:

base64(base64ToBinary(items('Apply_to_each')?['contentBytes']))

or

string(items('Apply_to_each')?['contentBytes'])

But you have to be careful. Using this expressions leads to another bug (also created a ticket but won't be fixed). You won't see that formula if you don't use it inside a compose action. It will work but the only way to see the formula is by using "peek code".

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microsoftee 36 on at

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Hi @Matthy79 ,
Strangely the following expression worked for me. I missed "Include Attachments" setting for "Get emails" action. Don't know how other properties of attachment file working even with Include Attachments = No
items('ProcessEmails')?['attachments'][variables('counter')]?['contentBytes']

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