Senden von chatMessage im Kanal

POST https://graph.microsoft.com/beta/teams/fbe2bf47-16c8-47cf-b4a5-4b9b187c508b/channels/19:4a95f7d8db4c4e7fae857bcebe0623e6@thread.tacv2/messages
Content-type: application/json

{
  "body": {
    "content": "Hello World"
  }
}

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

// Dependencies
using Microsoft.Graph.Beta.Models;

var requestBody = new ChatMessage
{
	Body = new ItemBody
	{
		Content = "Hello World",
	},
};

// To initialize your graphClient, see https://learn.microsoft.com/en-us/graph/sdks/create-client?from=snippets&tabs=csharp
var result = await graphClient.Teams["{team-id}"].Channels["{channel-id}"].Messages.PostAsync(requestBody);

mgc-beta teams channels messages create --team-id {team-id} --channel-id {channel-id} --body '{\
  "body": {\
    "content": "Hello World"\
  }\
}\
'

// 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"
	  graphmodels "github.com/microsoftgraph/msgraph-beta-sdk-go/models"
	  //other-imports
)

requestBody := graphmodels.NewChatMessage()
body := graphmodels.NewItemBody()
content := "Hello World"
body.SetContent(&content) 
requestBody.SetBody(body)

// To initialize your graphClient, see https://learn.microsoft.com/en-us/graph/sdks/create-client?from=snippets&tabs=go
messages, err := graphClient.Teams().ByTeamId("team-id").Channels().ByChannelId("channel-id").Messages().Post(context.Background(), requestBody, nil)

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

GraphServiceClient graphClient = new GraphServiceClient(requestAdapter);

ChatMessage chatMessage = new ChatMessage();
ItemBody body = new ItemBody();
body.setContent("Hello World");
chatMessage.setBody(body);
ChatMessage result = graphClient.teams().byTeamId("{team-id}").channels().byChannelId("{channel-id}").messages().post(chatMessage);

const options = {
	authProvider,
};

const client = Client.init(options);

const chatMessage = {
  body: {
    content: 'Hello World'
  }
};

await client.api('/teams/fbe2bf47-16c8-47cf-b4a5-4b9b187c508b/channels/19:4a95f7d8db4c4e7fae857bcebe0623e6@thread.tacv2/messages')
	.version('beta')
	.post(chatMessage);

<?php
use Microsoft\Graph\Beta\GraphServiceClient;
use Microsoft\Graph\Beta\Generated\Models\ChatMessage;
use Microsoft\Graph\Beta\Generated\Models\ItemBody;


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

$requestBody = new ChatMessage();
$body = new ItemBody();
$body->setContent('Hello World');
$requestBody->setBody($body);

$result = $graphServiceClient->teams()->byTeamId('team-id')->channels()->byChannelId('channel-id')->messages()->post($requestBody)->wait();

Import-Module Microsoft.Graph.Beta.Teams

$params = @{
	body = @{
		content = "Hello World"
	}
}

New-MgBetaTeamChannelMessage -TeamId $teamId -ChannelId $channelId -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.models.chat_message import ChatMessage
from msgraph_beta.generated.models.item_body import ItemBody
# To initialize your graph_client, see https://learn.microsoft.com/en-us/graph/sdks/create-client?from=snippets&tabs=python
request_body = ChatMessage(
	body = ItemBody(
		content = "Hello World",
	),
)

result = await graph_client.teams.by_team_id('team-id').channels.by_channel_id('channel-id').messages.post(request_body)

POST https://graph.microsoft.com/beta/teams/57fb72d0-d811-46f4-8947-305e6072eaa5/channels/19:4b6bed8d24574f6a9e436813cb2617d8@thread.tacv2/messages

{
   "createdDateTime":"2019-02-04T19:58:15.511Z",
   "from":{
      "user":{
         "id":"id-value",
         "displayName":"Joh Doe",
         "userIdentityType":"aadUser"
      }
   },
   "body":{
      "contentType":"html",
      "content":"Hello World"
   }
}

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

// Dependencies
using Microsoft.Graph.Beta.Models;

var requestBody = new ChatMessage
{
	CreatedDateTime = DateTimeOffset.Parse("2019-02-04T19:58:15.511Z"),
	From = new ChatMessageFromIdentitySet
	{
		User = new Identity
		{
			Id = "id-value",
			DisplayName = "Joh Doe",
			AdditionalData = new Dictionary<string, object>
			{
				{
					"userIdentityType" , "aadUser"
				},
			},
		},
	},
	Body = new ItemBody
	{
		ContentType = BodyType.Html,
		Content = "Hello World",
	},
};

// To initialize your graphClient, see https://learn.microsoft.com/en-us/graph/sdks/create-client?from=snippets&tabs=csharp
var result = await graphClient.Teams["{team-id}"].Channels["{channel-id}"].Messages.PostAsync(requestBody);

mgc-beta teams channels messages create --team-id {team-id} --channel-id {channel-id}

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

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

requestBody := graphmodels.NewChatMessage()
createdDateTime , err := time.Parse(time.RFC3339, "2019-02-04T19:58:15.511Z")
requestBody.SetCreatedDateTime(&createdDateTime) 
from := graphmodels.NewChatMessageFromIdentitySet()
user := graphmodels.NewIdentity()
id := "id-value"
user.SetId(&id) 
displayName := "Joh Doe"
user.SetDisplayName(&displayName) 
additionalData := map[string]interface{}{
	"userIdentityType" : "aadUser", 
}
user.SetAdditionalData(additionalData)
from.SetUser(user)
requestBody.SetFrom(from)
body := graphmodels.NewItemBody()
contentType := graphmodels.HTML_BODYTYPE 
body.SetContentType(&contentType) 
content := "Hello World"
body.SetContent(&content) 
requestBody.SetBody(body)

// To initialize your graphClient, see https://learn.microsoft.com/en-us/graph/sdks/create-client?from=snippets&tabs=go
messages, err := graphClient.Teams().ByTeamId("team-id").Channels().ByChannelId("channel-id").Messages().Post(context.Background(), requestBody, nil)

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

GraphServiceClient graphClient = new GraphServiceClient(requestAdapter);

ChatMessage chatMessage = new ChatMessage();
OffsetDateTime createdDateTime = OffsetDateTime.parse("2019-02-04T19:58:15.511Z");
chatMessage.setCreatedDateTime(createdDateTime);
ChatMessageFromIdentitySet from = new ChatMessageFromIdentitySet();
Identity user = new Identity();
user.setId("id-value");
user.setDisplayName("Joh Doe");
HashMap<String, Object> additionalData = new HashMap<String, Object>();
additionalData.put("userIdentityType", "aadUser");
user.setAdditionalData(additionalData);
from.setUser(user);
chatMessage.setFrom(from);
ItemBody body = new ItemBody();
body.setContentType(BodyType.Html);
body.setContent("Hello World");
chatMessage.setBody(body);
ChatMessage result = graphClient.teams().byTeamId("{team-id}").channels().byChannelId("{channel-id}").messages().post(chatMessage);

const options = {
	authProvider,
};

const client = Client.init(options);

const chatMessage = {
   createdDateTime: '2019-02-04T19:58:15.511Z',
   from: {
      user: {
         id: 'id-value',
         displayName: 'Joh Doe',
         userIdentityType: 'aadUser'
      }
   },
   body: {
      contentType: 'html',
      content: 'Hello World'
   }
};

await client.api('/teams/57fb72d0-d811-46f4-8947-305e6072eaa5/channels/19:4b6bed8d24574f6a9e436813cb2617d8@thread.tacv2/messages')
	.version('beta')
	.post(chatMessage);

<?php
use Microsoft\Graph\Beta\GraphServiceClient;
use Microsoft\Graph\Beta\Generated\Models\ChatMessage;
use Microsoft\Graph\Beta\Generated\Models\ChatMessageFromIdentitySet;
use Microsoft\Graph\Beta\Generated\Models\Identity;
use Microsoft\Graph\Beta\Generated\Models\ItemBody;
use Microsoft\Graph\Beta\Generated\Models\BodyType;


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

$requestBody = new ChatMessage();
$requestBody->setCreatedDateTime(new \DateTime('2019-02-04T19:58:15.511Z'));
$from = new ChatMessageFromIdentitySet();
$fromUser = new Identity();
$fromUser->setId('id-value');
$fromUser->setDisplayName('Joh Doe');
$additionalData = [
	'userIdentityType' => 'aadUser',
];
$fromUser->setAdditionalData($additionalData);
$from->setUser($fromUser);
$requestBody->setFrom($from);
$body = new ItemBody();
$body->setContentType(new BodyType('html'));
$body->setContent('Hello World');
$requestBody->setBody($body);

$result = $graphServiceClient->teams()->byTeamId('team-id')->channels()->byChannelId('channel-id')->messages()->post($requestBody)->wait();

Import-Module Microsoft.Graph.Beta.Teams

$params = @{
	createdDateTime = [System.DateTime]::Parse("2019-02-04T19:58:15.511Z")
	from = @{
		user = @{
			id = "id-value"
			displayName = "Joh Doe"
			userIdentityType = "aadUser"
		}
	}
	body = @{
		contentType = "html"
		content = "Hello World"
	}
}

New-MgBetaTeamChannelMessage -TeamId $teamId -ChannelId $channelId -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.models.chat_message import ChatMessage
from msgraph_beta.generated.models.chat_message_from_identity_set import ChatMessageFromIdentitySet
from msgraph_beta.generated.models.identity import Identity
from msgraph_beta.generated.models.item_body import ItemBody
from msgraph_beta.generated.models.body_type import BodyType
# To initialize your graph_client, see https://learn.microsoft.com/en-us/graph/sdks/create-client?from=snippets&tabs=python
request_body = ChatMessage(
	created_date_time = "2019-02-04T19:58:15.511Z",
	from = ChatMessageFromIdentitySet(
		user = Identity(
			id = "id-value",
			display_name = "Joh Doe",
			additional_data = {
					"user_identity_type" : "aadUser",
			}
		),
	),
	body = ItemBody(
		content_type = BodyType.Html,
		content = "Hello World",
	),
)

result = await graph_client.teams.by_team_id('team-id').channels.by_channel_id('channel-id').messages.post(request_body)

POST https://graph.microsoft.com/beta/teams/57fb72d0-d811-46f4-8947-305e6072eaa5/channels/19:4b6bed8d24574f6a9e436813cb2617d8@thread.tacv2/messages

{
   "createdDateTime":"2019-02-04T19:58:15.511Z",
   "from":{
      "user":{
         "id":"id-value",
         "displayName":"John Doe",
         "userIdentityType":"aadUser"
      }
   },
   "body":{
      "contentType":"html",
      "content":"<div><div>\n<div><span><img height=\"250\" src=\"../hostedContents/1/$value\" width=\"176.2295081967213\" style=\"vertical-align:bottom; width:176px; height:250px\"></span>\n\n</div>\n\n\n</div>\n</div>"
   },
   "hostedContents":[
      {
         "@microsoft.graph.temporaryId":"1",
         "contentBytes":"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<<-----Removed----->>>>",
         "contentType":"image/png"
      }
   ]
}

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

// Dependencies
using Microsoft.Graph.Beta.Models;

var requestBody = new ChatMessage
{
	CreatedDateTime = DateTimeOffset.Parse("2019-02-04T19:58:15.511Z"),
	From = new ChatMessageFromIdentitySet
	{
		User = new Identity
		{
			Id = "id-value",
			DisplayName = "John Doe",
			AdditionalData = new Dictionary<string, object>
			{
				{
					"userIdentityType" , "aadUser"
				},
			},
		},
	},
	Body = new ItemBody
	{
		ContentType = BodyType.Html,
		Content = "<div><div>\n<div><span><img height=\"250\" src=\"../hostedContents/1/$value\" width=\"176.2295081967213\" style=\"vertical-align:bottom; width:176px; height:250px\"></span>\n\n</div>\n\n\n</div>\n</div>",
	},
	HostedContents = new List<ChatMessageHostedContent>
	{
		new ChatMessageHostedContent
		{
			ContentBytes = Convert.FromBase64String("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<<-----Removed----->>>>"),
			ContentType = "image/png",
			AdditionalData = new Dictionary<string, object>
			{
				{
					"@microsoft.graph.temporaryId" , "1"
				},
			},
		},
	},
};

// To initialize your graphClient, see https://learn.microsoft.com/en-us/graph/sdks/create-client?from=snippets&tabs=csharp
var result = await graphClient.Teams["{team-id}"].Channels["{channel-id}"].Messages.PostAsync(requestBody);

mgc-beta teams channels messages create --team-id {team-id} --channel-id {channel-id}

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

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

requestBody := graphmodels.NewChatMessage()
createdDateTime , err := time.Parse(time.RFC3339, "2019-02-04T19:58:15.511Z")
requestBody.SetCreatedDateTime(&createdDateTime) 
from := graphmodels.NewChatMessageFromIdentitySet()
user := graphmodels.NewIdentity()
id := "id-value"
user.SetId(&id) 
displayName := "John Doe"
user.SetDisplayName(&displayName) 
additionalData := map[string]interface{}{
	"userIdentityType" : "aadUser", 
}
user.SetAdditionalData(additionalData)
from.SetUser(user)
requestBody.SetFrom(from)
body := graphmodels.NewItemBody()
contentType := graphmodels.HTML_BODYTYPE 
body.SetContentType(&contentType) 
content := "<div><div>\n<div><span><img height=\"250\" src=\"../hostedContents/1/$value\" width=\"176.2295081967213\" style=\"vertical-align:bottom; width:176px; height:250px\"></span>\n\n</div>\n\n\n</div>\n</div>"
body.SetContent(&content) 
requestBody.SetBody(body)


chatMessageHostedContent := graphmodels.NewChatMessageHostedContent()
contentBytes := []byte("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<<-----Removed----->>>>")
chatMessageHostedContent.SetContentBytes(&contentBytes) 
contentType := "image/png"
chatMessageHostedContent.SetContentType(&contentType) 
additionalData := map[string]interface{}{
	"@microsoft.graph.temporaryId" : "1", 
}
chatMessageHostedContent.SetAdditionalData(additionalData)

hostedContents := []graphmodels.ChatMessageHostedContentable {
	chatMessageHostedContent,
}
requestBody.SetHostedContents(hostedContents)

// To initialize your graphClient, see https://learn.microsoft.com/en-us/graph/sdks/create-client?from=snippets&tabs=go
messages, err := graphClient.Teams().ByTeamId("team-id").Channels().ByChannelId("channel-id").Messages().Post(context.Background(), requestBody, nil)

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

GraphServiceClient graphClient = new GraphServiceClient(requestAdapter);

ChatMessage chatMessage = new ChatMessage();
OffsetDateTime createdDateTime = OffsetDateTime.parse("2019-02-04T19:58:15.511Z");
chatMessage.setCreatedDateTime(createdDateTime);
ChatMessageFromIdentitySet from = new ChatMessageFromIdentitySet();
Identity user = new Identity();
user.setId("id-value");
user.setDisplayName("John Doe");
HashMap<String, Object> additionalData = new HashMap<String, Object>();
additionalData.put("userIdentityType", "aadUser");
user.setAdditionalData(additionalData);
from.setUser(user);
chatMessage.setFrom(from);
ItemBody body = new ItemBody();
body.setContentType(BodyType.Html);
body.setContent("<div><div>\n<div><span><img height=\"250\" src=\"../hostedContents/1/$value\" width=\"176.2295081967213\" style=\"vertical-align:bottom; width:176px; height:250px\"></span>\n\n</div>\n\n\n</div>\n</div>");
chatMessage.setBody(body);
LinkedList<ChatMessageHostedContent> hostedContents = new LinkedList<ChatMessageHostedContent>();
ChatMessageHostedContent chatMessageHostedContent = new ChatMessageHostedContent();
byte[] contentBytes = Base64.getDecoder().decode("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<<-----Removed----->>>>");
chatMessageHostedContent.setContentBytes(contentBytes);
chatMessageHostedContent.setContentType("image/png");
HashMap<String, Object> additionalData1 = new HashMap<String, Object>();
additionalData1.put("@microsoft.graph.temporaryId", "1");
chatMessageHostedContent.setAdditionalData(additionalData1);
hostedContents.add(chatMessageHostedContent);
chatMessage.setHostedContents(hostedContents);
ChatMessage result = graphClient.teams().byTeamId("{team-id}").channels().byChannelId("{channel-id}").messages().post(chatMessage);

const options = {
	authProvider,
};

const client = Client.init(options);

const chatMessage = {
   createdDateTime: '2019-02-04T19:58:15.511Z',
   from: {
      user: {
         id: 'id-value',
         displayName: 'John Doe',
         userIdentityType: 'aadUser'
      }
   },
   body: {
      contentType: 'html',
      content: '<div><div>\n<div><span><img height=\"250\" src=\"../hostedContents/1/$value\" width=\"176.2295081967213\" style=\"vertical-align:bottom; width:176px; height:250px\"></span>\n\n</div>\n\n\n</div>\n</div>'
   },
   hostedContents: [
      {
         '@microsoft.graph.temporaryId':'1',
         contentBytes: '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<<-----Removed----->>>>',
         contentType: 'image/png'
      }
   ]
};

await client.api('/teams/57fb72d0-d811-46f4-8947-305e6072eaa5/channels/19:4b6bed8d24574f6a9e436813cb2617d8@thread.tacv2/messages')
	.version('beta')
	.post(chatMessage);

<?php
use Microsoft\Graph\Beta\GraphServiceClient;
use Microsoft\Graph\Beta\Generated\Models\ChatMessage;
use Microsoft\Graph\Beta\Generated\Models\ChatMessageFromIdentitySet;
use Microsoft\Graph\Beta\Generated\Models\Identity;
use Microsoft\Graph\Beta\Generated\Models\ItemBody;
use Microsoft\Graph\Beta\Generated\Models\BodyType;
use Microsoft\Graph\Beta\Generated\Models\ChatMessageHostedContent;


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

$requestBody = new ChatMessage();
$requestBody->setCreatedDateTime(new \DateTime('2019-02-04T19:58:15.511Z'));
$from = new ChatMessageFromIdentitySet();
$fromUser = new Identity();
$fromUser->setId('id-value');
$fromUser->setDisplayName('John Doe');
$additionalData = [
	'userIdentityType' => 'aadUser',
];
$fromUser->setAdditionalData($additionalData);
$from->setUser($fromUser);
$requestBody->setFrom($from);
$body = new ItemBody();
$body->setContentType(new BodyType('html'));
$body->setContent('<div><div>\n<div><span><img height=\"250\" src=\"../hostedContents/1/$value\" width=\"176.2295081967213\" style=\"vertical-align:bottom; width:176px; height:250px\"></span>\n\n</div>\n\n\n</div>\n</div>');
$requestBody->setBody($body);
$hostedContentsChatMessageHostedContent1 = new ChatMessageHostedContent();
$hostedContentsChatMessageHostedContent1->setContentBytes(\GuzzleHttp\Psr7\Utils::streamFor(base64_decode('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<<-----Removed----->>>>')));
$hostedContentsChatMessageHostedContent1->setContentType('image/png');
$additionalData = [
	'@microsoft.graph.temporaryId' => '1',
];
$hostedContentsChatMessageHostedContent1->setAdditionalData($additionalData);
$hostedContentsArray []= $hostedContentsChatMessageHostedContent1;
$requestBody->setHostedContents($hostedContentsArray);


$result = $graphServiceClient->teams()->byTeamId('team-id')->channels()->byChannelId('channel-id')->messages()->post($requestBody)->wait();

Import-Module Microsoft.Graph.Beta.Teams

$params = @{
	createdDateTime = [System.DateTime]::Parse("2019-02-04T19:58:15.511Z")
	from = @{
		user = @{
			id = "id-value"
			displayName = "John Doe"
			userIdentityType = "aadUser"
		}
	}
	body = @{
		contentType = "html"
		content = "<div><div>
<div><span><img height="250" src="../hostedContents/1/$value" width="176.2295081967213" style="vertical-align:bottom; width:176px; height:250px"></span>

</div>


</div>
</div>"
	}
	hostedContents = @(
		@{
			"@microsoft.graph.temporaryId" = "1"
			contentBytes = [System.Text.Encoding]::ASCII.GetBytes("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<<-----Removed----->>>>")
			contentType = "image/png"
		}
	)
}

New-MgBetaTeamChannelMessage -TeamId $teamId -ChannelId $channelId -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.models.chat_message import ChatMessage
from msgraph_beta.generated.models.chat_message_from_identity_set import ChatMessageFromIdentitySet
from msgraph_beta.generated.models.identity import Identity
from msgraph_beta.generated.models.item_body import ItemBody
from msgraph_beta.generated.models.body_type import BodyType
from msgraph_beta.generated.models.chat_message_hosted_content import ChatMessageHostedContent
# To initialize your graph_client, see https://learn.microsoft.com/en-us/graph/sdks/create-client?from=snippets&tabs=python
request_body = ChatMessage(
	created_date_time = "2019-02-04T19:58:15.511Z",
	from = ChatMessageFromIdentitySet(
		user = Identity(
			id = "id-value",
			display_name = "John Doe",
			additional_data = {
					"user_identity_type" : "aadUser",
			}
		),
	),
	body = ItemBody(
		content_type = BodyType.Html,
		content = "<div><div>\n<div><span><img height=\"250\" src=\"../hostedContents/1/$value\" width=\"176.2295081967213\" style=\"vertical-align:bottom; width:176px; height:250px\"></span>\n\n</div>\n\n\n</div>\n</div>",
	),
	hosted_contents = [
		ChatMessageHostedContent(
			content_bytes = base64.urlsafe_b64decode("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<<-----Removed----->>>>"),
			content_type = "image/png",
			additional_data = {
					"@microsoft_graph_temporary_id" : "1",
			}
		),
	],
)

result = await graph_client.teams.by_team_id('team-id').channels.by_channel_id('channel-id').messages.post(request_body)