Manage Site Content Type Using Microsoft Graph Content Type APIs

Introduction

Microsoft graph is the doorway to information and knowledge in Microsoft 365. It gives a brought together programmability model that you can use to get to the enormous amount of information in Microsoft 365. Recently, one more bundle for ContentType APIs has been added in Microsoft Graph Beta.

This article will cover Content-Type APIs to Get, Add, Update, Delete activity for Content Type in SharePoint Site.

How to enroll application in azure Portal to access graph API Endpoint?

If we need to access or get the information across Microsoft 365 cloud applications, we should enlist our application in the App Registration Portal in Azure Portal, since all administrations are coordinated with the Microsoft Identity Platform to give secure sign-in, provide access token for application and approval for their administrations.

To Register App in Azure Portal, Please follow article which is provided by Microsoft Soft.

How to generate an access Token to access resources using Microsoft Graph?

I am under the understanding that you have registered your app and you have Client ID/ Application ID, Tenant ID, and Secrete key in hand.

End Point
Get https://login.microsoftonline.com/<Tenent Id>/oauth2/v2.0/token
Body
grant_type:client_credentials
client_id: <Application Id>
client_secret: <Client Secrete>
scope:https://graph.microsoft.com/.default

Response as below,

{
"token_type": "Bearer",
"expires_in": 3599,
"ext_expires_in": 3599,
"access_token": "eyJ0eXAiOiJKV1QiLCJub25jZSI6ImwtemtxV05pOUt1NHhhbFJLOWh3ZUNxX2J6UUJzM0J6WTRjbkRTaVctMDQiLCJhbGciOiJSUzI1NiIsIng1dCI6Im5PbzNaRHJPRFhFSzFqS1doWHNsSFJfS1hFZyIsImtpZCI6Im5PbzNaRHJPRFhFSzFqS1doWHNsSFJfS1hFZyJ9.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.Djs_iSdUTySvT-kCsFTFbZUbwXcPoAAHhJPzKRV9uy-IavXFAhjJzYpHHPmSqi6qzZbwn-cPVZVs4ics4LrD64ILStblft_1f8r"
}

Permission

Permission should be selected in-app which is registered,

How to create content Type using Microsoft Graph in SharePoint list?

The accompanying model tells the best way to make another conventional content type.

SharePoint Content Type IDs

Post https://graph.microsoft.com/beta/sites/<Site Id>/contentTypes
Header
{
"Content-Type":"application/json"
"Authorization":"Bearer <Access Token>"
}
Body
{
"name": "Document Set for Article",
"description": "Demo Document Set",
"base": {
"name": "Document Set for article",
"id": "0x0120D520"
},
"group": "Document Set Content Types"
}

Site ID will be your SharePoint site ID.

<TenentName>.sharepoint.com,9f1b3366-1a6b-49d3-920a-2f38c873cb1b,20a80558-c545-4b79-8f75-dba806ea176f
<Domain>.sharepoint.com,<Site ID>,<Web Id>

Click Here to get Site ID

Response as below,

{
"@odata.context": "https://graph.microsoft.com/beta/$metadata#sites('dev1802.sharepoint.com%2C9f1b3366-1a6b-49d3-920a-2f38c873cb1b%2C20a80558-c545-4b79-8f75-dba806ea176f')/contentTypes/$entity",
"@odata.etag": "\"0\"",
"id": "0x0120D52000AB0EC6EBAFE94441A54312CE6D50FB8A",
"isBuiltIn": false,
"description": "custom docset",
"group": "Document Set Content Types",
"hidden": false,
"name": "docSet",
"parentId": "0x0120D520",
"readOnly": false,
"sealed": false,
"documentSet": {
"shouldPrefixNameToFile": true,
"welcomePageUrl": "https://dev1802.sharepoint.com/sites/CodeChallenge/_cts/docSet/docsethomepage.aspx",
"allowedContentTypes": [
{
"id": "0x0101",
"name": "Document"
}
]
},
"base": {
"id": "0x0120D520",
"description": "Create a document set when you want to manage multiple documents as a single work product.",
"group": "Document Set Content Types",
"hidden": false,
"name": "Document Set",
"readOnly": false,
"sealed": false
}
}

How to delete content type using Microsoft Graph from site ?

DELETE
https://graph.microsoft.com/beta/sites/dev1802.sharepoint.com,9f1b3366-1a6b-49d3-920a-2f38c873cb1b,20a80558-c545-4b79-8f75-dba806ea176f/contentTypes/<ContentTypeID>
Header
{
"Content-Type":"application/json"
"Authorization":"Bearer <Access Token>"
}

Response as below,

HTTP/1.1 204 No Content

How to update existing content type using microsoft graph in site?

Patch
https://graph.microsoft.com/beta/sites/dev1802.sharepoint.com,9f1b3366-1a6b-49d3-920a-2f38c873cb1b,20a80558-c545-4b79-8f75-dba806ea176f/contentTypes/0x0120D52000E6EC7560131BA84BA3BA471AAB7180B3
Header
{
"Content-Type":"application/json"
"Authorization":"Bearer <Access Token>"
}
Body
{
"name": "updatedCt",
"documentSet": {
"shouldPrefixNameToFile": true,
"allowedContentTypes": [{
"id": "0x0101",
"name": "Document"
}],
"defaultContents": [{
"fileName": "a.txt",
"contentType": {
"id": "0x0101"
}
},
{
"fileName": "b.txt",
"contentType": {
"id": "0x0101"
}
}
],
"sharedColumns": [{
"name": "Description",
"id": "cbb92da4-fd46-4c7d-af6c-3128c2a5576e"
},
{
"name": "Address",
"id": "fc2e188e-ba91-48c9-9dd3-16431afddd50"
}
],
"welcomePageColumns": [{
"name": "Address",
"id": "fc2e188e-ba91-48c9-9dd3-16431afddd50"
}]
}
}

Response as below,

HTTP/1.1 200 OK
Content-type: application/json
{
"id": "0x0120D52000E6EC7560131BA84BA3BA471AAB7180B3 ",
"description": "",
"eTag": "\"7\"",
"group": "Custom Content Types",
"hidden": false,
"name": "testdoc",
"parentId": "0x0101",
"base": {
"id": "0x0101",
"name": "Document"
}
}

Note

APIs under the /beta version in Microsoft Graph are subject to change. Use of these APIs in production applications is not supported.

HappyCoding