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Accessing Custom extensionattributes in AAD using Flow

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Posted on by dhruvmathur

Would like to be able to access the custom extensionattribute properties from Flow. At the moment, the Office365 connector does not show any of the custom properties, and I have not found an easy way to do it. We at our business use one of the custom properties to store information that I need to get to from an approval Flow I am writing, and the Flow is based on that custom property to determine the level the approval needs to go up to, based on this property.

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FraserM 103 on at

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Accessing Custom extensionattributes in AAD using Flow

thank you @dhruvmathur

This was the magic I was needing to pull users initials (we are syncing them from on prem AD "initials" to 365 "extensionAttribute1")

Your JSON schema example also came in handy.

Kudos points to you! Your post is still good in 2025!

-F
mickyb23uk 50 on at

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Re: Accessing Custom extensionattributes in AAD using Flow

Hi @dhruvmathur
Would it be possible to get a full view of the Flow for those of us that aren't super familiar with it?
I have exactly the same challenge with pulling custom attributes from AAD for users and the Flow platform has changed and morphed since your original post (and screenshots in 2019) so i'm hoping you'd be able to share more 🙂

Thanks,
Mike
dhruvmathur 59 on at

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Re: Accessing Custom extensionattributes in AAD using Flow

I was able to get this to work with the help of @trevorseward . Here is a look at the Flow:

In the Get my profile (v2), make sure to add the fields you want. onPremisesExtensionAttributes will give you the extension attributes. For the JSON, parse the User from Graph API field from the Get my profle (v2)
{
"type": "object",
"properties": {
"@@odata.context": {
"type": "string"
},
"onPremisesExtensionAttributes": {
"type": "object",
"properties": {
"extensionAttribute11": {
"type": "string"
}
}
}
}
}

Since I was only looking at a particular extensionattribute, I only added that to the JSON. Big thanks to @trevorseward and @RezaDorrani
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RezaDorrani 12,141 on at

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Re: Accessing Custom extensionattributes in AAD using Flow

Hi @dhruvmathur

I believe you would have to use the graph api currently to grab the custom attributes
https://docs.microsoft.com/en-us/graph/api/user-get?view=graph-rest-1.0&tabs=http

Calling graph api with Flow
https://www.lee-ford.co.uk/using-flow-with-graph-api/

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