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Create a Microsoft Team using site designs, Flow and Hub Sites
Simon Ågren
Simon Ågren
November 08, 2018
2 min

Table Of Contents

01
Setup App Permissions in Azure
02
Create Flow
03
Create Site Script
04
Login and Create Site Design
05
Create Communication site and set as hub site
06
Associate Site Design with Hub Site
07
Create Modern Team Site and associate to hubsite
08
Now let the Flow Do It's Work
Create a Microsoft Team using site designs, Flow and Hub Sites

I was asked a few days ago if we could automate Microsoft Teams creation when a Modern Team Site is created in SharePoint Online. I got to think about it and came up with one way. This is using an Graph Beta endpoint for the Team creation, so it’s not advisable to use this in production scenarios before it’s in v1.0

  • We are going to create a Site Script that calls a Flow

  • The Flow utilizes the Office365 Group(Unified) after the site is created and creates a Team via the Graph.

  • Since we are calling the Graph via Flow I’m setting up App Only permissions in the Azure AD for the application.

  • Via PnP PowerShell we will:

    • Register the Hub Site
    • Upload the Site Script and register withing Site Designs
    • Create a Communication Site and make it a Hub Site
    • Create a new Team Site and associate it to the Hub

Setup App Permissions in Azure

  1. Open a new Notepad

  2. Go to the Azure Portal -> select Azure AD -> properties. Copy the Directory ID to Notepad appid

  3. Select App Registrations -> Create new App and name it whatever you want -> then copy the Application ID to Notepad appreg

  4. Go to Settings -> Keys. Create a new Key and Save to get the value. Copy the Value to Notepad key

  5. Go to Required Permissions -> Add Permission -> Select API -> Microsoft Graph -> under Application Permissions - Select Read And Write All Groups permissions

  6. Grant permissions grant

Create Flow

  1. Go to the Microsoft Flow site -> select Create from Blank

  2. Search for Request and select Request - When A HTTP Request is received http

  3. Copy the HTTP POST URL to Notepad -> then enter this JSON in the request body

{
"type": "object",
"properties": {
"webUrl": {
"type": "string"
},
"webDescription": {
"type": "string"
},
"webTitle": {
"type": "string"
},
"creatorName": {
"type": "string"
},
"creatorEmail": {
"type": "string"
},
"createdTimeUTC": {
"type": "string"
},
"parameters": {
"type": "object",
"properties": {}
}
}
}
  1. Create new action - Search for Initialize and select Initialize Variable. Create three of these, rename them and enter the values from Notepad. variables

  2. Create new action - Search and select HTTP. Rename it and enter the values:

Method: POST

Uri: https://login.windows.net/@{variables('TenantID')}/oauth2/token

Headers: content-type: application/json;odata=verbose

Body: client_id=@{variables('ClientID')}&client_Secret=@{variables('SecretID')}&resource=https://graph.microsoft.com&grant_type=client_credentials httptoken

  1. Create a new action - Parse JSON. Select body as content and enter this in the body:
{
"type": "object",
"properties": {
"token_type": {
"type": "string"
},
"expires_in": {
"type": "string"
},
"ext_expires_in": {
"type": "string"
},
"expires_on": {
"type": "string"
},
"not_before": {
"type": "string"
},
"resource": {
"type": "string"
},
"access_token": {
"type": "string"
}
}
}

parsetoken

  1. Create another HTTP action. Here we filter the groups based on the current site that triggered the flow. Which should be the modern Team Site we created.

Method: GET

Uri: https://graph.microsoft.com/v1.0/groups?$filter=displayName%20eq%20'@{triggerBody()?['webTitle']}'

Headers: Authorization: Bearer @{body('Parse_and_get_Access_Token')?['access_token']}

  1. Create another Parse JSON. Select body as content. And enter this body:
{
"type": "object",
"properties": {
"@@odata.context": {
"type": "string"
},
"value": {
"type": "array",
"items": {
"type": "object",
"properties": {
"id": {
"type": "string"
}
},
"required": [
"id"
]
}
}
}
}
  1. Create Action Apply to each, which loops through all the items. We should only have one group, but anyways. Then inside it create a new HTTP action.

Method: PUT

Uri: https://graph.microsoft.com/beta/groups/@{items('Apply_to_each')?['id']}/team

Headers: Authorization: Bearer @{body('Parse_and_get_Access_Token')?['access_token']}

Body:

{
"memberSettings": {
"allowCreateUpdateChannels": true
},
"messagingSettings": {
"allowUserEditMessages": true,
"allowUserDeleteMessages": true
},
"funSettings": {
"allowGiphy": true,
"giphyContentRating": "strict"
}
}

createteam

Create Site Script

So one of the actions in Site Scripts is triggerFlow. Since we are associating this Site Script to a Hub Site it will be run everytime a site is associated to the hub, for that site. The Flow will start and create the Team

  1. Create a .json file in Visual Studio Code. Use the following json and paste the HTTPPostUrl that we copied in to Notepad from the Flow
{
"actions": [
{
"verb": "triggerFlow",
"url": "https://prod-31.westeurope.logic.azure.com...",
"name": "Create Team"
}
]
}

Login and Create Site Design

As I stated earlier we’re going to use PnP PowerShell Commands to the extent it’s possible. They are doing an awesome job updating these, so it won’t be long until we can do all of this with PnP.

  1. Connect to Tenant as Admin
$admin="user.name@tenant.onmicrosoft.com"
$cred = Get-Credential -UserName $admin -Message "Admin"
Connect-PnPOnline -Url https://tenant-admin.sharepoint.com -Credential $cred
  1. Upload and add Site Script and Site Design
$scriptFromFile = Get-Content 'C:\Users\...createTeam.json' -Raw
$siteScript = Add-PnPSiteScript -Title "Auto Create Team" -Description "Creates Team based on teamsite" -Content $scriptFromFile
$siteDesign = Add-PnPSiteDesign -Title "Auto Create Team" -WebTemplate "64" -SiteScriptIds $siteScript.Id -Description "Creates Team base on teamsite"

Create Communication site and set as hub site

  1. Create CommunicationSite
$hub = New-PnPSite -Type CommunicationSite -Title "Project Hub" -Url "https://tenant.sharepoint.com/sites/projecthub"
  1. Register as Hub Site
Register-PnPHubSite -Site $hub

Associate Site Design with Hub Site

Right now Set-PnPHubSite doesn’t seem to have the ability to set Site Design, so I’m using Set-SpOHubSite instead.

  1. Connect again, but via SPO (Sorry for this)
$admin="user.name@tenant.onmicrosoft.com"
$cred = Get-Credential -UserName $admin -Message "Admin"
Connect-SpOService -Url https://tenant-admin.sharepoint.com -Credential $cred
  1. Add default Site Design to Hub
Set-SpOHubSite -Identity $hub.ID -SiteDesignId $siteDesign.Id

Create Modern Team Site and associate to hubsite

  1. Create Team Site
$teamSite = New-PnPSite -Type TeamSite -Title "Project 1" -Alias "project1"
  1. Associate to Hub Site
Add-PnPHubSiteAssociation -Site $teamSite -HubSite "https://tenant.sharepoint.com/sites/projecthub"

Now let the Flow Do It’s Work

success


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Previous Article
Azure AD & Microsoft Graph permission scopes, with Azure CLI

Simon Ågren

CTA & Microsoft MVP

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