AsishP

Connect-SPOService  "https://[tenant]-admin.sharepoint.com"
Connect-PnPOnline  "[siteurl]"
Set-SPOSite "[siteurl]" -DenyAddAndCustomizePages 0
Set-PnPPropertyBagValue -Key "[propertyName]" -Value "[propertyValue]" -Indexed
Set-SPOSite "[siteurl]" -DenyAddAndCustomizePages 1

AsishP

using Microsoft.IdentityModel.Clients.ActiveDirectory;
using OfficeDevPnP.Core;
using OfficeDevPnP.Core.Framework.Graph;
using OfficeDevPnP.Core.Pages;

const string authString = "https://login.microsoftonline.com/<tenant domain>/";
const string clientId = "<Graph App ID>";
const string clientSecret = "<Graph App Secret>";
var authenticationContext = new AuthenticationContext(authString, false); 
ClientCredential clientCred = new ClientCredential(clientId, clientSecret);

AsishP

var group = UnifiedGroupsUtility.ListUnifiedGroups(token, mailNickname: url).Where(result => result.MailNickname.ToLower().Equals(alias.ToLower())).First();

// We received a group entity containing information about the group
string groupurl = group.SiteUrl;
string groupId = group.GroupId;
string mailNickName = group.MailNickname;

AsishP

const string spTenantUrl = "https://<tenantname>-admin.sharepoint.com/";
using (var contextTenant = new ClientContext(spTenantUrl))
{
    contextTenant.Credentials = new SharePointOnlineCredentials(userName, secpass);
    Tenant tSP = new Tenant(contextTenant);
    tSP.SetSiteAdmin(groupurl, userName, true);
    contextTenant.ExecuteQuery();
}

AsishP

{
  "http": {
    "routePrefix": "api",
    "maxOutstandingRequests": -1,
    "maxConcurrentRequests": 1,
    "dynamicThrottlesEnabled": false
  }
} 

AsishP

UnifiedGroupsUtility.UpdateUnifiedGroup(group.GroupId, token, groupLogo: <logo url>, 
                                        members:<Members email array>, isPrivate: <boolean>, retryCount: <numberofretries>);

AsishP

return processComplete
                ? req.CreateResponse(HttpStatusCode.OK, "Success")
                : req.CreateResponse(HttpStatusCode.Accepted, "Error");

AsishP

using (var context = new ClientContext(<siteURL>))
{
    contextAsset.Credentials = new SharePointOnlineCredentials(UserName, SecurePass);
    Web web = contextAsset.Web;
    contextAsset.Load(web, w => w.Navigation);
    contextAsset.Load(web);
    contextAsset.ExecuteQuery();

    //Start working on Navigation
    NavigationNodeCollection lefthandNav = web.Navigation.QuickLaunch;

AsishP

//Check the gist code - https://gist.github.com/AsishP/b817455ce58b753e4f02ae5a0482e7a4 for filling the NavIds Array
foreach (int id in navIds)
{
    NavigationNode nodeToDelete = web.Navigation.GetNodeById(id);
    contextAsset.Load(nodeToDelete);
    contextAsset.ExecuteQuery();
    nodeToDelete.DeleteObject();
    contextAsset.ExecuteQuery();
}

AsishP

using (var contextNavigation = new ClientContext(<siteURL>))
{
    contextNavigation.Credentials = new SharePointOnlineCredentials(UserName, SecurePass);
    Web web = contextNavigation.Web;
    contextNavigation.Load(web, w => w.Navigation);
    contextNavigation.Load(web);
    contextNavigation.ExecuteQuery();

    //Start working on Navigation
    NavigationNodeCollection lefthandNav = web.Navigation.QuickLaunch;