I had a chat with Paul Culmsee about Power Automate missing triggers when he uploaded documents with OneDrive Sync.

Setup Sync

I created a document library and setup Sync.

SharePoint Document Sync

Uploading documents using SharePoint

I then uploaded documents to this library using SharePoint and I copied some documents locally on my PC so that the Sync client would pick up these files and put them into SharePoint.

Uploaded documents to SharePoint

All of these files are now in my SharePoint library. Note that the Date modified date for the documents is different? Files uploaded to SharePoint have a modification date of today (19/09/2018) and the document that I copied locally and Synced to SharePoint kept their original date. This is very important!

Flows (not) triggered by my documents

Now I’m going to look at Power Automate. I created the flow shown below before I uploaded my documents.

Flows aren't triggered

When looking at the run history in Flow I’m only finding back run history for the documents that I uploaded to SharePoint.


At first I was thinking that Flow is ignoring document and that Flow is broken here. Having had a bit more of a detailed look into this however I’m not so sure. A lot of the Flow technology depending on web hooks and one of the things webhooks does is us a last change token. This is to ensure that you only pickup changes since a certain date. More information on this can be found in  SharePoint webhooks sample reference implementation.

I currently don’t really have a solution for this other than make sure that you upload document to SharePoint rather than synchronising document to SharePoint. When I do have any better solution then I will update this post.

By Pieter Veenstra

Business Applications and Office Apps & Services Microsoft MVP working as a Microsoft Productivity Principal Consultant at HybrIT Services. You can contact me using contact@veenstra.me.uk.

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