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Read / Update Microsoft Graph Custom Schema Extensions

Summary

This sample shows how read and update a custom Schema extension in Microsoft Graph. It shows how to create a custom Schema extension in Graph to store custom data related to an Office 365 Group, and how we can read and update that data using an spfx webpart.

A possible business scenario here could be if we want to store some additional custom data related to some specific Office 365 Groups, for instance Sales information, and make it available in the SharePoint site.

Used SharePoint Framework Version

Applies to

Solution

Solution	Author(s)
react-graph-schema-extensions	Luis Mañez (MVP, ClearPeople, @luismanez)

Version history

Version	Date	Comments
1.0.0	Jul 03, 2018	Initial release

Disclaimer

THIS CODE IS PROVIDED AS IS WITHOUT WARRANTY OF ANY KIND, EITHER EXPRESS OR IMPLIED, INCLUDING ANY IMPLIED WARRANTIES OF FITNESS FOR A PARTICULAR PURPOSE, MERCHANTABILITY, OR NON-INFRINGEMENT.

Prerequisites

Create a custom extenion for Groups using Graph API: Currently, spfx has no permissions to create custom extensions for entities in Graph API. To create the custom extension, you can use the MS Graph Explorer website.

To create the extension you must do a POST request to:

POST https://graph.microsoft.com/v1.0/schemaExtensions
content-type: application/json
{
    "id": "inheritscloud_SalesCustomData",
    "description": "Adding custom data to Groups created for sales",
    "owner": "ac638f16-63c2-462b-95a4-16f8a60b0628",
    "targetTypes": [
        "Group"
    ],
    "properties": [
        {
            "name": "businessUnit", "type": "String"
        },
        {
            "name": "estimatedBudget", "type": "Integer"
        },
        {
            "name": "expectedClosedDate", "type": "DateTime"
        }
    ]
}

See here for more information about the attributes: https://developer.microsoft.com/en-us/graph/docs/api-reference/beta/resources/schemaextension

Note:

For the id attribute, You can assign a value in one of two ways:
- Concatenate the name of one of your verified domains with a name for the schema extension to form a unique string in this format, {domainName}_{schemaName}. As an example, contoso_mySchema.
- Provide a schema name, and let Microsoft Graph use that schema name to complete the id assignment in this format: ext{8-random-alphanumeric-chars}_{schema-name}. An example would be extkvbmkofy_mySchema.
The owner attribute must be a valid ClientId registered in Azure AD
The targetTypes is an array with the different Entities that you want to extend (users, groups, event, message). However, spfx only allows to update Groups, so the value is set to group

Minimal Path to Awesome

clone repo
edit GraphSchemaExtenion.tsx file and change line 141 with the id "inheritscloud_SalesCustomData" assigned when you created the custom Schema extension
run gulp serve

Features

This sample shows how read and update a custom Schema extension in MS Graph.

This sample illustrates the following concepts on top of the SharePoint Framework:

How to create a custom schema extension in Graph API using Graph Explorer tool
Using GraphHttpClient to get data from MS Graph API
How to update an MS Graph entity (in this case, Office 365 Group) with custom data
Using async / await for the async calls
Office UI fabric components

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