ChannelMessage.Send

Allows an app to send channel messages in Microsoft Teams, on behalf of the signed-in user.

Graph Methods

Type: A = Application Permission, D = Delegate Permission

Ver	Type	Method
V1	D	POST /teams/{team-id}/channels/{channel-id}/messages
V1	D	POST /teams/{team-id}/channels/{channel-id}/messages/{message-id}/replies
V1	D	POST /teams/{teamId}/channels/{channelId}/messages/{messageId}/replies/{replyId}/setReaction
V1	D	POST /teams/{teamId}/channels/{channelId}/messages/{messageId}/replies/{replyId}/unsetReaction
V1	D	POST /teams/{teamsId}/channels/{channelId}/messages/{chatMessageId}/setReaction
V1	D	POST /teams/{teamsId}/channels/{channelId}/messages/{chatMessageId}/unsetReaction
V1	D	POST /users/{userId}/chats/{chatsId}/messages/{chatMessageId}/setReaction
V1	D	POST /users/{userId}/chats/{chatsId}/messages/{chatMessageId}/unsetReaction

Delegate Permission


Id	ebf0f66e-9fb1-49e4-a278-222f76911cf4
Consent Type	User
Display String	Send channel messages
Description	Allows an app to send channel messages in Microsoft Teams, on behalf of the signed-in user.

Resources

channel

Property	Type	Description
createdDateTime	dateTimeOffset	Read only. Timestamp at which the channel was created.
description	String	Optional textual description for the channel.
displayName	String	Channel name as it will appear to the user in Microsoft Teams. The maximum length is 50 characters.
email	String	The email address for sending messages to the channel. Read-only.
id	String	The channel's unique identifier. Read-only.
isFavoriteByDefault	Boolean	Indicates whether the channel should automatically be marked 'favorite' for all members of the team. Can only be set programmatically with Create team. Default: `false`.
membershipType	channelMembershipType	The type of the channel. Can be set during creation and can't be changed. The possible values are: `standard`, `private`, `unknownFutureValue`, `shared`. The default value is `standard`. Note that you must use the `Prefer: include-unknown-enum-members` request header to get the following value in this evolvable enum: `shared`.
tenantId	string	The ID of the Azure Active Directory tenant.
webUrl	String	A hyperlink that will go to the channel in Microsoft Teams. This is the URL that you get when you right-click a channel in Microsoft Teams and select Get link to channel. This URL should be treated as an opaque blob, and not parsed. Read-only.

chat

Property	Type	Description
chatType	chatType	Specifies the type of chat. Possible values are: `group`, `oneOnOne`, `meeting`, `unknownFutureValue`.
createdDateTime	dateTimeOffset	Date and time at which the chat was created. Read-only.
id	String	The chat's unique identifier. Read-only.
lastUpdatedDateTime	dateTimeOffset	Date and time at which the chat was renamed or list of members were last changed. Read-only.
onlineMeetingInfo	teamworkOnlineMeetingInfo	Represents details about an online meeting. If the chat isn't associated with an online meeting, the property is empty. Read-only.
tenantId	String	The identifier of the tenant in which the chat was created. Read-only.
topic	String	(Optional) Subject or topic for the chat. Only available for group chats.
viewpoint	chatViewpoint	Represents caller-specific information about the chat, such as last message read date and time. This property is populated only when the request is made in a delegated context.
webUrl	String	The URL for the chat in Microsoft Teams. The URL should be treated as an opaque blob, and not parsed. Read-only.

chatMessage

Property	Type	Description
attachments	chatMessageAttachment collection	References to attached objects like files, tabs, meetings etc.
body	itemBody	Plaintext/HTML representation of the content of the chat message. Representation is specified by the contentType inside the body. The content is always in HTML if the chat message contains a chatMessageMention.
chatId	string	If the message was sent in a chat, represents the identity of the chat.
channelIdentity	channelIdentity	If the message was sent in a channel, represents identity of the channel.
createdDateTime	dateTimeOffset	Timestamp of when the chat message was created.
deletedDateTime	dateTimeOffset	Read only. Timestamp at which the chat message was deleted, or null if not deleted.
etag	string	Read-only. Version number of the chat message.
eventDetail	eventMessageDetail	Read-only. If present, represents details of an event that happened in a chat, a channel, or a team, for example, adding new members. For event messages, the messageType property will be set to `systemEventMessage`.
from	chatMessageFromIdentitySet	Details of the sender of the chat message. Can only be set during migration.
id	String	Read-only. Unique ID of the message. IDs are unique within a chat/channel/reply-to-message, but might be duplicated in other chats/channels/reply-to-messages.
importance	string	The importance of the chat message. The possible values are: `normal`, `high`, `urgent`.
lastModifiedDateTime	dateTimeOffset	Read only. Timestamp when the chat message is created (initial setting) or modified, including when a reaction is added or removed.
lastEditedDateTime	dateTimeOffset	Read only. Timestamp when edits to the chat message were made. Triggers an "Edited" flag in the Teams UI. If no edits are made the value is `null`.
locale	string	Locale of the chat message set by the client. Always set to `en-us`.
mentions	chatMessageMention collection	List of entities mentioned in the chat message. Supported entities are: user, bot, team, and channel.
messageType	chatMessageType	The type of chat message. The possible values are: `message`, `chatEvent`, `typing`, `unknownFutureValue`, `systemEventMessage`. Note that you must use the `Prefer: include-unknown-enum-members` request header to get the following value in this evolvable enum: `systemEventMessage`.
policyViolation	chatMessagePolicyViolation	Defines the properties of a policy violation set by a data loss prevention (DLP) application.
reactions	chatMessageReaction collection	Reactions for this chat message (for example, Like).
replyToId	string	Read-only. ID of the parent chat message or root chat message of the thread. (Only applies to chat messages in channels, not chats.)
subject	string	The subject of the chat message, in plaintext.
summary	string	Summary text of the chat message that could be used for push notifications and summary views or fall back views. Only applies to channel chat messages, not chat messages in a chat.
webUrl	string	Read-only. Link to the message in Microsoft Teams.