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Odata Filters & nested objects with Microsoft Flow


Last week, Kent Weare from the Microsoft Flow team illustrated the usage of the very convenient and elegant oData Filter in Microsoft Flow. Read his blog post to have a good background on OData and Flow.


As a follow-up of this blog post I would like to get a little bit deeper with a more specific example that I had to solve last year : filtering on a nested field like the e-mail address of a SharePoint Person column.

If you have the following SharePoint list with 2 columns of type Person or Group : Managee and Manager




…and your flow needs to retrieve the Manager of ‘serge luca’ (


The oData filter query will be the following :




How did I know this ?


Use the Get items action in your flow without using any filter, debug it and check the output JSON : we get something like this :




so Managee/Email is the good filter syntax : indeed Email  is the nested field and its  path is Managee/Email.

…and yes the Eq operator is very case sensitive : Managee/email won’t work ...


Thanks for your post, this is something that I've been trying to work out for ages.

However, I have tried to replicate this, but everytime the Flow runs I get a "BadGateway" error:




The Body of the error is:


My "Cascade Child 1" list has a (single value) Person column in it called "Person".


Can you see what I'm doing wrong?

Thanks for any assistance,



*** Update ***

I have worked this out myself, it was the case of "Email" causing the issue.  In your notes it mentions "EMail" and "Email", and in the screenshot of JSON output it shows as "Email".  I thought the case in the JSON output would have been correct and your references to "EMail" in your notes maybe a typo.  However, changing my filter query to "EMail" worked!


I'm having a different issue with this.


When I use the filter, I'm able to get the item "Managee" which matches the criteria, but I'm not able to get the info from the "Manager" column beside it. What was the next step?


(The "Manager" email / department / etc. options all vanish from the dynamic content options for following steps).

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  • Daniel is a Business Productivity Consultant & Microsoft Business Solutions MVP who is very enthusiastic about all things Office 365, Microsoft Flow, PowerApps, Azure & SharePoint (Online). Since the preview, Daniel has been working with Microsoft Flow and later on with Microsoft PowerApps. That led to him being awarded an MVP Award for Business Solutions. He loves to blog, present and evangelize about improving productivity in the modern workspace with these amazing tools!
  • Michelle is an Office 365 solution architect in Twin Cities, MN. She has been delivering business collaboration solutions for years with her focus on SharePoint and Office 365. Michelle is a recent board member of the Minnesota Office 365 User Group and has been a member of the SharePoint community since 2009. She is a frequent speaker at MNSPUG and SharePoint Saturday and co-chaired the Legal SharePoint User Group for 4 years. Her most frequent projects have involved rolling out a large deployment of Office 365, SharePoint Online intranet, build of a "CHAMPS" Office 365 user adoption program and most recently, SharePoint On-Premise to Online Migration. Michelle is very excited about cloud technology as it is shifting her IT Pro focus to collaboration strategy and technical adoption.
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