Class SocketGroupChannel

Represents a WebSocket-based private group channel.

Inheritance
System.Object
SocketEntity<System.UInt64>
SocketChannel
SocketGroupChannel
Inherited Members
System.Object.Equals(System.Object)
System.Object.Equals(System.Object, System.Object)
System.Object.ReferenceEquals(System.Object, System.Object)
System.Object.GetHashCode()
System.Object.GetType()
System.Object.MemberwiseClone()
Namespace: Discord.WebSocket
Assembly: Discord.Net.WebSocket.dll
Syntax
public class SocketGroupChannel : SocketChannel, IGroupChannel, ISocketPrivateChannel, IPrivateChannel, ISocketMessageChannel, IMessageChannel, ISocketAudioChannel, IAudioChannel, IChannel, ISnowflakeEntity, IEntity<ulong>

Properties

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CachedMessages

Gets all messages in this channel's cache.

Declaration
public IReadOnlyCollection<SocketMessage> CachedMessages { get; }
Property Value
Type Description
System.Collections.Generic.IReadOnlyCollection<SocketMessage>

A read-only collection of WebSocket-based messages.
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Name

Gets the name of this channel.

Declaration
public string Name { get; }
Property Value
Type Description
System.String

A string containing the name of this channel.
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Recipients

Declaration
public IReadOnlyCollection<SocketGroupUser> Recipients { get; }
Property Value
Type Description
System.Collections.Generic.IReadOnlyCollection<SocketGroupUser>
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Users

Declaration
public IReadOnlyCollection<SocketGroupUser> Users { get; }
Property Value
Type Description
System.Collections.Generic.IReadOnlyCollection<SocketGroupUser>

Methods

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ConnectAsync()

Declaration
public Task<IAudioClient> ConnectAsync()
Returns
Type Description
System.Threading.Tasks.Task<IAudioClient>
Exceptions
Type Condition
System.NotSupportedException

Voice is not yet supported for group channels.
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DeleteMessageAsync(IMessage, RequestOptions)

Deletes a message based on the provided message in this channel.

Declaration
public Task DeleteMessageAsync(IMessage message, RequestOptions options = null)
Parameters
Type Name Description
IMessage message

The message that would be removed.
RequestOptions options

The options to be used when sending the request.
Returns
Type Description
System.Threading.Tasks.Task

A task that represents the asynchronous removal operation.
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DeleteMessageAsync(UInt64, RequestOptions)

Deletes a message.

Declaration
public Task DeleteMessageAsync(ulong messageId, RequestOptions options = null)
Parameters
Type Name Description
System.UInt64 messageId

The snowflake identifier of the message that would be removed.
RequestOptions options

The options to be used when sending the request.
Returns
Type Description
System.Threading.Tasks.Task

A task that represents the asynchronous removal operation.
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EnterTypingState(RequestOptions)

Continuously broadcasts the "user is typing" message to all users in this channel until the returned object is disposed.

Declaration
public IDisposable EnterTypingState(RequestOptions options = null)
Parameters
Type Name Description
RequestOptions options

The options to be used when sending the request.
Returns
Type Description
System.IDisposable

A disposable object that, upon its disposal, will stop the client from broadcasting its typing state in this channel.
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GetCachedMessage(UInt64)

Gets a cached message from this channel.

Declaration
public SocketMessage GetCachedMessage(ulong id)
Parameters
Type Name Description
System.UInt64 id

The snowflake identifier of the message.
Returns
Type Description
SocketMessage

A WebSocket-based message object; null if it does not exist in the cache or if caching is not enabled.
Remarks
warning

This method requires the use of cache, which is not enabled by default; if caching is not enabled, this method will always return null. Please refer to MessageCacheSize for more details.

This method retrieves the message from the local WebSocket cache and does not send any additional request to Discord. This message may be a message that has been deleted.

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GetCachedMessages(IMessage, Direction, Int32)

Gets the last N cached messages starting from a certain message in this message channel.

Declaration
public IReadOnlyCollection<SocketMessage> GetCachedMessages(IMessage fromMessage, Direction dir, int limit = 100)
Parameters
Type Name Description
IMessage fromMessage

The message to start the fetching from.
Direction dir

The direction of which the message should be gotten from.
System.Int32 limit

The number of messages to get.
Returns
Type Description
System.Collections.Generic.IReadOnlyCollection<SocketMessage>

A read-only collection of WebSocket-based messages.
Remarks
warning

This method requires the use of cache, which is not enabled by default; if caching is not enabled, this method will always return an empty collection. Please refer to MessageCacheSize for more details.

This method retrieves the message(s) from the local WebSocket cache and does not send any additional request to Discord. This read-only collection may include messages that have been deleted. The maximum number of messages that can be retrieved from this method depends on the MessageCacheSize set.

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GetCachedMessages(Int32)

Gets the last N cached messages from this message channel.

Declaration
public IReadOnlyCollection<SocketMessage> GetCachedMessages(int limit = 100)
Parameters
Type Name Description
System.Int32 limit

The number of messages to get.
Returns
Type Description
System.Collections.Generic.IReadOnlyCollection<SocketMessage>

A read-only collection of WebSocket-based messages.
Remarks
warning

This method requires the use of cache, which is not enabled by default; if caching is not enabled, this method will always return an empty collection. Please refer to MessageCacheSize for more details.

This method retrieves the message(s) from the local WebSocket cache and does not send any additional request to Discord. This read-only collection may include messages that have been deleted. The maximum number of messages that can be retrieved from this method depends on the MessageCacheSize set.

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GetCachedMessages(UInt64, Direction, Int32)

Gets the last N cached messages starting from a certain message in this message channel.

Declaration
public IReadOnlyCollection<SocketMessage> GetCachedMessages(ulong fromMessageId, Direction dir, int limit = 100)
Parameters
Type Name Description
System.UInt64 fromMessageId

The message ID to start the fetching from.
Direction dir

The direction of which the message should be gotten from.
System.Int32 limit

The number of messages to get.
Returns
Type Description
System.Collections.Generic.IReadOnlyCollection<SocketMessage>

A read-only collection of WebSocket-based messages.
Remarks
warning

This method requires the use of cache, which is not enabled by default; if caching is not enabled, this method will always return an empty collection. Please refer to MessageCacheSize for more details.

This method retrieves the message(s) from the local WebSocket cache and does not send any additional request to Discord. This read-only collection may include messages that have been deleted. The maximum number of messages that can be retrieved from this method depends on the MessageCacheSize set.

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GetMessageAsync(UInt64, RequestOptions)

Gets a message from this message channel.

Declaration
public Task<IMessage> GetMessageAsync(ulong id, RequestOptions options = null)
Parameters
Type Name Description
System.UInt64 id

The snowflake identifier of the message.
RequestOptions options

The options to be used when sending the request.
Returns
Type Description
System.Threading.Tasks.Task<IMessage>

A task that represents an asynchronous get operation for retrieving the message. The task result contains the retrieved message; null if no message is found with the specified identifier.
Remarks

This method follows the same behavior as described in GetMessageAsync(UInt64, CacheMode, RequestOptions). Please visit its documentation for more details on this method.

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GetMessagesAsync(IMessage, Direction, Int32, RequestOptions)

Gets a collection of messages in this channel.

Declaration
public IAsyncEnumerable<IReadOnlyCollection<IMessage>> GetMessagesAsync(IMessage fromMessage, Direction dir, int limit = 100, RequestOptions options = null)
Parameters
Type Name Description
IMessage fromMessage

The starting message to get the messages from.
Direction dir

The direction of the messages to be gotten from.
System.Int32 limit

The numbers of message to be gotten from.
RequestOptions options

The options to be used when sending the request.
Returns
Type Description
System.Collections.Generic.IAsyncEnumerable<System.Collections.Generic.IReadOnlyCollection<IMessage>>

Paged collection of messages.
Remarks

This method follows the same behavior as described in GetMessagesAsync(IMessage, Direction, Int32, CacheMode, RequestOptions). Please visit its documentation for more details on this method.

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GetMessagesAsync(Int32, RequestOptions)

Gets the last N messages from this message channel.

Declaration
public IAsyncEnumerable<IReadOnlyCollection<IMessage>> GetMessagesAsync(int limit = 100, RequestOptions options = null)
Parameters
Type Name Description
System.Int32 limit

The numbers of message to be gotten from.
RequestOptions options

The options to be used when sending the request.
Returns
Type Description
System.Collections.Generic.IAsyncEnumerable<System.Collections.Generic.IReadOnlyCollection<IMessage>>

Paged collection of messages.
Remarks

This method follows the same behavior as described in GetMessagesAsync(Int32, CacheMode, RequestOptions). Please visit its documentation for more details on this method.

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GetMessagesAsync(UInt64, Direction, Int32, RequestOptions)

Gets a collection of messages in this channel.

Declaration
public IAsyncEnumerable<IReadOnlyCollection<IMessage>> GetMessagesAsync(ulong fromMessageId, Direction dir, int limit = 100, RequestOptions options = null)
Parameters
Type Name Description
System.UInt64 fromMessageId

The ID of the starting message to get the messages from.
Direction dir

The direction of the messages to be gotten from.
System.Int32 limit

The numbers of message to be gotten from.
RequestOptions options

The options to be used when sending the request.
Returns
Type Description
System.Collections.Generic.IAsyncEnumerable<System.Collections.Generic.IReadOnlyCollection<IMessage>>

Paged collection of messages.
Remarks

This method follows the same behavior as described in GetMessagesAsync(UInt64, Direction, Int32, CacheMode, RequestOptions). Please visit its documentation for more details on this method.

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GetPinnedMessagesAsync(RequestOptions)

Gets a read-only collection of pinned messages in this channel.

Declaration
public Task<IReadOnlyCollection<RestMessage>> GetPinnedMessagesAsync(RequestOptions options = null)
Parameters
Type Name Description
RequestOptions options

The options to be used when sending the request.
Returns
Type Description
System.Threading.Tasks.Task<System.Collections.Generic.IReadOnlyCollection<RestMessage>>

A task that represents the asynchronous get operation for retrieving pinned messages in this channel. The task result contains a read-only collection of messages found in the pinned messages.
Remarks

This method follows the same behavior as described in GetPinnedMessagesAsync(RequestOptions). Please visit its documentation for more details on this method.

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GetUser(UInt64)

Gets a user from this group.

Declaration
public SocketGroupUser GetUser(ulong id)
Parameters
Type Name Description
System.UInt64 id

The snowflake identifier of the user.
Returns
Type Description
SocketGroupUser

A WebSocket-based group user associated with the snowflake identifier.
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LeaveAsync(RequestOptions)

Leaves this group.

Declaration
public Task LeaveAsync(RequestOptions options = null)
Parameters
Type Name Description
RequestOptions options

The options to be used when sending the request.
Returns
Type Description
System.Threading.Tasks.Task

A task that represents the asynchronous leave operation.
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SendFileAsync(Stream, String, String, Boolean, Embed, RequestOptions, Boolean)

Sends a file to this message channel with an optional caption.

Declaration
public Task<RestUserMessage> SendFileAsync(Stream stream, string filename, string text, bool isTTS = false, Embed embed = null, RequestOptions options = null, bool isSpoiler = false)
Parameters
Type Name Description
System.IO.Stream stream

The System.IO.Stream of the file to be sent.
System.String filename

The name of the attachment.
System.String text

The message to be sent.
System.Boolean isTTS

Whether the message should be read aloud by Discord or not.
Embed embed

The Rich Embed to be sent.
RequestOptions options

The options to be used when sending the request.
System.Boolean isSpoiler

Whether the message attachment should be hidden as a spoiler.
Returns
Type Description
System.Threading.Tasks.Task<RestUserMessage>

A task that represents an asynchronous send operation for delivering the message. The task result contains the sent message.
Remarks

This method follows the same behavior as described in SendFileAsync(Stream, String, String, Boolean, Embed, RequestOptions, Boolean). Please visit its documentation for more details on this method.

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SendFileAsync(String, String, Boolean, Embed, RequestOptions, Boolean)

Sends a file to this message channel with an optional caption.

Declaration
public Task<RestUserMessage> SendFileAsync(string filePath, string text, bool isTTS = false, Embed embed = null, RequestOptions options = null, bool isSpoiler = false)
Parameters
Type Name Description
System.String filePath

The file path of the file.
System.String text

The message to be sent.
System.Boolean isTTS

Whether the message should be read aloud by Discord or not.
Embed embed

The Rich Embed to be sent.
RequestOptions options

The options to be used when sending the request.
System.Boolean isSpoiler

Whether the message attachment should be hidden as a spoiler.
Returns
Type Description
System.Threading.Tasks.Task<RestUserMessage>

A task that represents an asynchronous send operation for delivering the message. The task result contains the sent message.
Remarks

This method follows the same behavior as described in SendFileAsync(String, String, Boolean, Embed, RequestOptions, Boolean). Please visit its documentation for more details on this method.

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SendMessageAsync(String, Boolean, Embed, RequestOptions)

Sends a message to this message channel.

Declaration
public Task<RestUserMessage> SendMessageAsync(string text = null, bool isTTS = false, Embed embed = null, RequestOptions options = null)
Parameters
Type Name Description
System.String text

The message to be sent.
System.Boolean isTTS

Determines whether the message should be read aloud by Discord or not.
Embed embed

The Rich Embed to be sent.
RequestOptions options

The options to be used when sending the request.
Returns
Type Description
System.Threading.Tasks.Task<RestUserMessage>

A task that represents an asynchronous send operation for delivering the message. The task result contains the sent message.
Remarks

This method follows the same behavior as described in SendMessageAsync(String, Boolean, Embed, RequestOptions). Please visit its documentation for more details on this method.

Exceptions
Type Condition
System.ArgumentOutOfRangeException

Message content is too long, length must be less or equal to MaxMessageSize.
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ToString()

Returns the name of the group.

Declaration
public override string ToString()
Returns
Type Description
System.String
Overrides
System.Object.ToString()
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TriggerTypingAsync(RequestOptions)

Broadcasts the "user is typing" message to all users in this channel, lasting 10 seconds.

Declaration
public Task TriggerTypingAsync(RequestOptions options = null)
Parameters
Type Name Description
RequestOptions options

The options to be used when sending the request.
Returns
Type Description
System.Threading.Tasks.Task

A task that represents the asynchronous operation that triggers the broadcast.

Explicit Interface Implementations

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IAudioChannel.ConnectAsync(Boolean, Boolean, Boolean)

Connects to this audio channel.

Declaration
Task<IAudioClient> IAudioChannel.ConnectAsync(bool selfDeaf, bool selfMute, bool external)
Parameters
Type Name Description
System.Boolean selfDeaf

Determines whether the client should deaf itself upon connection.
System.Boolean selfMute

Determines whether the client should mute itself upon connection.
System.Boolean external

Determines whether the audio client is an external one or not.
Returns
Type Description
System.Threading.Tasks.Task<IAudioClient>

A task representing the asynchronous connection operation. The task result contains the IAudioClient responsible for the connection.
Exceptions
Type Condition
System.NotSupportedException

Connecting to a group channel is not supported.
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IAudioChannel.DisconnectAsync()

Declaration
Task IAudioChannel.DisconnectAsync()
Returns
Type Description
System.Threading.Tasks.Task
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IChannel.GetUserAsync(UInt64, CacheMode, RequestOptions)

Gets a user in this channel.

Declaration
Task<IUser> IChannel.GetUserAsync(ulong id, CacheMode mode, RequestOptions options)
Parameters
Type Name Description
System.UInt64 id

The snowflake identifier of the user (e.g. 168693960628371456).
CacheMode mode

The CacheMode that determines whether the object should be fetched from cache.
RequestOptions options

The options to be used when sending the request.
Returns
Type Description
System.Threading.Tasks.Task<IUser>

A task that represents the asynchronous get operation. The task result contains a user object that represents the found user; null if none is found.
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IMessageChannel.GetMessageAsync(UInt64, CacheMode, RequestOptions)

Gets a message from this message channel.

Declaration
Task<IMessage> IMessageChannel.GetMessageAsync(ulong id, CacheMode mode, RequestOptions options)
Parameters
Type Name Description
System.UInt64 id

The snowflake identifier of the message.
CacheMode mode

The CacheMode that determines whether the object should be fetched from cache.
RequestOptions options

The options to be used when sending the request.
Returns
Type Description
System.Threading.Tasks.Task<IMessage>

A task that represents an asynchronous get operation for retrieving the message. The task result contains the retrieved message; null if no message is found with the specified identifier.
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IMessageChannel.GetPinnedMessagesAsync(RequestOptions)

Gets a collection of pinned messages in this channel.

Declaration
Task<IReadOnlyCollection<IMessage>> IMessageChannel.GetPinnedMessagesAsync(RequestOptions options)
Parameters
Type Name Description
RequestOptions options

The options to be used when sending the request.
Returns
Type Description
System.Threading.Tasks.Task<System.Collections.Generic.IReadOnlyCollection<IMessage>>

A task that represents the asynchronous get operation for retrieving pinned messages in this channel. The task result contains a collection of messages found in the pinned messages.
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IMessageChannel.SendFileAsync(Stream, String, String, Boolean, Embed, RequestOptions, Boolean)

Sends a file to this message channel with an optional caption.

Declaration
Task<IUserMessage> IMessageChannel.SendFileAsync(Stream stream, string filename, string text, bool isTTS, Embed embed, RequestOptions options, bool isSpoiler)
Parameters
Type Name Description
System.IO.Stream stream

The System.IO.Stream of the file to be sent.
System.String filename

The name of the attachment.
System.String text

The message to be sent.
System.Boolean isTTS

Whether the message should be read aloud by Discord or not.
Embed embed

The Rich Embed to be sent.
RequestOptions options

The options to be used when sending the request.
System.Boolean isSpoiler

Whether the message attachment should be hidden as a spoiler.
Returns
Type Description
System.Threading.Tasks.Task<IUserMessage>

A task that represents an asynchronous send operation for delivering the message. The task result contains the sent message.
Remarks

This method sends a file as if you are uploading an attachment directly from your Discord client.

note

If you wish to upload an image and have it embedded in a Rich embed, you may upload the file and refer to the file with "attachment://filename.ext" in the ImageUrl. See the example section for its usage.

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IMessageChannel.SendFileAsync(String, String, Boolean, Embed, RequestOptions, Boolean)

Sends a file to this message channel with an optional caption.

Declaration
Task<IUserMessage> IMessageChannel.SendFileAsync(string filePath, string text, bool isTTS, Embed embed, RequestOptions options, bool isSpoiler)
Parameters
Type Name Description
System.String filePath

The file path of the file.
System.String text

The message to be sent.
System.Boolean isTTS

Whether the message should be read aloud by Discord or not.
Embed embed

The Rich Embed to be sent.
RequestOptions options

The options to be used when sending the request.
System.Boolean isSpoiler

Whether the message attachment should be hidden as a spoiler.
Returns
Type Description
System.Threading.Tasks.Task<IUserMessage>

A task that represents an asynchronous send operation for delivering the message. The task result contains the sent message.
Remarks

This method sends a file as if you are uploading an attachment directly from your Discord client.

note

If you wish to upload an image and have it embedded in a Rich embed, you may upload the file and refer to the file with "attachment://filename.ext" in the ImageUrl. See the example section for its usage.

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IMessageChannel.SendMessageAsync(String, Boolean, Embed, RequestOptions)

Sends a message to this message channel.

Declaration
Task<IUserMessage> IMessageChannel.SendMessageAsync(string text, bool isTTS, Embed embed, RequestOptions options)
Parameters
Type Name Description
System.String text

The message to be sent.
System.Boolean isTTS

Determines whether the message should be read aloud by Discord or not.
Embed embed

The Rich Embed to be sent.
RequestOptions options

The options to be used when sending the request.
Returns
Type Description
System.Threading.Tasks.Task<IUserMessage>

A task that represents an asynchronous send operation for delivering the message. The task result contains the sent message.
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IPrivateChannel.Recipients

Gets the users that can access this channel.

Declaration
IReadOnlyCollection<IUser> IPrivateChannel.Recipients { get; }
Returns
Type Description
System.Collections.Generic.IReadOnlyCollection<IUser>

A read-only collection of users that can access this channel.
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ISocketPrivateChannel.Recipients

Declaration
IReadOnlyCollection<SocketUser> ISocketPrivateChannel.Recipients { get; }
Returns
Type Description
System.Collections.Generic.IReadOnlyCollection<SocketUser>

Implements