Trigger Conditions - On file type in Sharepoint Document library

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Posted on by JasonK

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Hello,

Has anyone been able to successfully write a flow that uses a trigger condition on a sharepoint document library that only triggers when a specific file type is uploaded (.docx in this example)?

I am having a hard time getting a sharepoint document library to trigger only on docx files. Long story short, I am using the flow to convert docx files to pdf. The flow is looping back a 2nd time when the pdf file is created. If i can get the trigger condition to work, it will save me a 2nd flow run.

The main issue is getting the file type, file extension recognized. How can I write the trigger condition expression to do what I need? The other otpion is to extract the file name extension in sharepoint into another column as text. Then modify my trigger condition to look at that new column.

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Building flows

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RezaDorrani 12,145 on at

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Hi @JasonK

Use following trigger condition for when an item is created or updated

@contains(triggerBody()?['{FilenameWithExtension}'],'.docx')

Regards,
Reza Dorrani

Regards,
Reza Dorrani

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

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v-alzhan-msft Microsoft Employee on at

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Hi @JasonK ,

Please use the trigger "When a file is created or modified (properties only)" in the flow:

And use the expression below in the trigger Condition:

@contains(triggerBody()?['{FilenameWithExtension}'],'.docx')

Best regards,

Alice

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

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JasonK 177 on at

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Awesome, Thank you for the info. Worked as stated.

Does anyone have any training resources on how to write Trigger conditions or better understand the structure?

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hbenade 9 on at

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The following worked for me for running on PDF documents only with the 'When a file is created or modified in a folder' Trigger:

@equals(triggerOutputs()['headers']['Content-Type'],'application/pdf')

Kind Regards,

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hlokey 9 on at

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Hi @RezaDorrani ,

I tried using this trigger for my flow: @contains(triggerBody()?['{FilenameWithExtension}'],'.jpg')

but got the trigger error message below. It did not even run when I tested it.

InvalidTemplate. Unable to process template language expressions for trigger 'When_a_file_is_created_in_a_folder' at line '1' and column '5997': 'The template language function 'contains' expects its first argument 'collection' to be a dictionary (object), an array or a string. The provided value is of type 'Null'.'.

Thanks,

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