event : forward

POST https://graph.microsoft.com/beta/me/events/{id}/forward
Content-type: application/json

{
  "ToRecipients":[
      {
        "EmailAddress": {
          "Address":"danas@contoso.com",
          "Name":"Dana Swope"
        }
      }
     ],
  "Comment": "Dana, hope you can make this meeting."
}

// Code snippets are only available for the latest version. Current version is 5.x

// Dependencies
using Microsoft.Graph.Beta.Me.Events.Item.Forward;
using Microsoft.Graph.Beta.Models;

var requestBody = new ForwardPostRequestBody
{
	ToRecipients = new List<Recipient>
	{
		new Recipient
		{
			EmailAddress = new EmailAddress
			{
				Address = "danas@contoso.com",
				Name = "Dana Swope",
			},
		},
	},
	Comment = "Dana, hope you can make this meeting.",
};

// To initialize your graphClient, see https://learn.microsoft.com/en-us/graph/sdks/create-client?from=snippets&tabs=csharp
await graphClient.Me.Events["{event-id}"].Forward.PostAsync(requestBody);

// Code snippets are only available for the latest major version. Current major version is $v0.*

// Dependencies
import (
	  "context"
	  msgraphsdk "github.com/microsoftgraph/msgraph-beta-sdk-go"
	  graphusers "github.com/microsoftgraph/msgraph-beta-sdk-go/users"
	  graphmodels "github.com/microsoftgraph/msgraph-beta-sdk-go/models"
	  //other-imports
)

requestBody := graphusers.NewItemForwardPostRequestBody()


recipient := graphmodels.NewRecipient()
emailAddress := graphmodels.NewEmailAddress()
address := "danas@contoso.com"
emailAddress.SetAddress(&address) 
name := "Dana Swope"
emailAddress.SetName(&name) 
recipient.SetEmailAddress(emailAddress)

toRecipients := []graphmodels.Recipientable {
	recipient,
}
requestBody.SetToRecipients(toRecipients)
comment := "Dana, hope you can make this meeting."
requestBody.SetComment(&comment) 

// To initialize your graphClient, see https://learn.microsoft.com/en-us/graph/sdks/create-client?from=snippets&tabs=go
graphClient.Me().Events().ByEventId("event-id").Forward().Post(context.Background(), requestBody, nil)

// Code snippets are only available for the latest version. Current version is 6.x

GraphServiceClient graphClient = new GraphServiceClient(requestAdapter);

com.microsoft.graph.beta.users.item.events.item.forward.ForwardPostRequestBody forwardPostRequestBody = new com.microsoft.graph.beta.users.item.events.item.forward.ForwardPostRequestBody();
LinkedList<Recipient> toRecipients = new LinkedList<Recipient>();
Recipient recipient = new Recipient();
EmailAddress emailAddress = new EmailAddress();
emailAddress.setAddress("danas@contoso.com");
emailAddress.setName("Dana Swope");
recipient.setEmailAddress(emailAddress);
toRecipients.add(recipient);
forwardPostRequestBody.setToRecipients(toRecipients);
forwardPostRequestBody.setComment("Dana, hope you can make this meeting.");
graphClient.me().events().byEventId("{event-id}").forward().post(forwardPostRequestBody);

const options = {
	authProvider,
};

const client = Client.init(options);

const forward = {
  ToRecipients: [
      {
        EmailAddress: {
          Address: 'danas@contoso.com',
          Name: 'Dana Swope'
        }
      }
     ],
  Comment: 'Dana, hope you can make this meeting.'
};

await client.api('/me/events/{id}/forward')
	.version('beta')
	.post(forward);

<?php
use Microsoft\Graph\Beta\GraphServiceClient;
use Microsoft\Graph\Beta\Generated\Users\Item\Events\Item\Forward\ForwardPostRequestBody;
use Microsoft\Graph\Beta\Generated\Models\Recipient;
use Microsoft\Graph\Beta\Generated\Models\EmailAddress;


$graphServiceClient = new GraphServiceClient($tokenRequestContext, $scopes);

$requestBody = new ForwardPostRequestBody();
$toRecipientsRecipient1 = new Recipient();
$toRecipientsRecipient1EmailAddress = new EmailAddress();
$toRecipientsRecipient1EmailAddress->setAddress('danas@contoso.com');
$toRecipientsRecipient1EmailAddress->setName('Dana Swope');
$toRecipientsRecipient1->setEmailAddress($toRecipientsRecipient1EmailAddress);
$toRecipientsArray []= $toRecipientsRecipient1;
$requestBody->setToRecipients($toRecipientsArray);

$requestBody->setComment('Dana, hope you can make this meeting.');

$graphServiceClient->me()->events()->byEventId('event-id')->forward()->post($requestBody)->wait();

Import-Module Microsoft.Graph.Beta.Calendar

$params = @{
	ToRecipients = @(
		@{
			EmailAddress = @{
				Address = "danas@contoso.com"
				Name = "Dana Swope"
			}
		}
	)
	Comment = "Dana, hope you can make this meeting."
}

# A UPN can also be used as -UserId.
Invoke-MgBetaForwardUserEvent -UserId $userId -EventId $eventId -BodyParameter $params

# Code snippets are only available for the latest version. Current version is 1.x
from msgraph_beta import GraphServiceClient
from msgraph_beta.generated.users.item.events.item.forward.forward_post_request_body import ForwardPostRequestBody
from msgraph_beta.generated.models.recipient import Recipient
from msgraph_beta.generated.models.email_address import EmailAddress
# To initialize your graph_client, see https://learn.microsoft.com/en-us/graph/sdks/create-client?from=snippets&tabs=python
request_body = ForwardPostRequestBody(
	to_recipients = [
		Recipient(
			email_address = EmailAddress(
				address = "danas@contoso.com",
				name = "Dana Swope",
			),
		),
	],
	comment = "Dana, hope you can make this meeting.",
)

await graph_client.me.events.by_event_id('event-id').forward.post(request_body)