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Use Variable for populating Image Content Control in Word Template

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Posted on by hilary_stoupa

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I'm using the Word Online (Business) connector and the Populate a Word Template action. I have an image content control on my template.

My image is stored as a list item attachment. I'm using Get Attachments then Get Attachment Content to return the attachment content. Assume I am controlling for just one attachment.

I would like to set a variable to the attachment content returned, then use that variable for the image when I set my Word Template image control - Get Attachments expects 0 - n attachments, so creates an apply to each loop for me when I get the attachment content.

I tried creating and setting an object variable to the data returned from Get Attachment Content, then using that for my image content control - but get the error "The image is not of type PNG or JPG. Please provide an image of type PNG or JPG."

If I populate the template inside the apply to each for the returned data from Get Attachments, everything works as anticipated.

Is there a way to set a variable to the desired attachment content? What type of variable, and how do I initialize & set it?

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Community Power Pla... on at

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Re: Use Variable for populating Image Content Control in Word Template

Same problem again. I have used both an array variable and a compose action.
The output of both is a correctly formed image content string
{"$content-type":"image/jpeg","$content":"/9j/4QBYRXhpZgAATU0AKg...}
however I am still receiving the same "The image is not of type PNG or JPG. Please provide an image of type PNG or JPG." error message.
FarahF 2 on at

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Re: Use Variable for populating Image Content Control in Word Template

Please did you get a solution for this error , i am in the same situation as you
Community Power Pla... on at

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Re: Use Variable for populating Image Content Control in Word Template

any solution to this? Even this solution is not helping in my situation as I have to store the image in a variable based on condition which I am gonna use later.
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v-litu-msft on at

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Re: Use Variable for populating Image Content Control in Word Template

Hi @hilary_stoupa,

Compose should be able to handle many kinds of data types. But variable could only handle specified data types, array, object, string, and so on.

And the function of Compose nested in the Apply to each works like initialize a variable and append to the variable. Though here is image content, so the output of Compose will be an object.

Best Regards,
Community Support Team _ Lin Tu
If this post helps, then please consider Accept it as the solution to help the other members find it more quickly.
hilary_stoupa 421 on at

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Re: Use Variable for populating Image Content Control in Word Template

Thanks for the help - in this specific scenario, this won't work, because my Flow has additional nesting:
'The inputs of template action 'Compose_2' at line '1 and column '12076' cannot reference action 'Compose'. The action 'Compose' is nested in a foreach scope of multiple levels. Referencing repetition actions from outside the scope is supported only when there are no multiple levels of nesting.'

But at least I have an idea for how to handle this if I don't have that situation. So - can you tell me why Compose will work here but a variable will not?
v-litu-msft on at

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Re: Use Variable for populating Image Content Control in Word Template

Hi @hilary_stoupa,

You can use the Compose to get the attachment content instead of initializing a variable, for example:

After the Apply to each action, you can get the array by use expression "outputs('Compose')".

Best Regards,
Community Support Team _ Lin Tu
If this post helps, then please consider Accept it as the solution to help the other members find it more quickly.