Adds a new user to a chat.

Allows sending messages from community to the current user.

Creates a chat with several participants.

Deletes one or more messages.

Deletes a chat's cover picture.

Deletes private messages in a conversation.

Denies sending message from community to the current user.

Edits the message.

Edits the title of a chat.

Returns messages by their IDs.

Returns information about a chat.

Allows to receive chat preview by the invitation link.

Returns a list of IDs of users participating in a conversation.

Returns a list of conversations.

Returns conversations by their IDs.

Returns message history for the specified user or group chat.

Returns media files from the dialog or group chat.

Receives a link to invite a user to the chat.

Returns a user's current status and date of last activity.

Returns updates in user's private messages.

Returns data required for connection to a Long Poll server.

Returns information whether sending messages from the community to current user is allowed.

Allows to enter the chat by the invitation link.

Marks and unmarks messages as important (starred).

Marks messages as read.

Allows the current user to leave a chat or, if the current user started the chat, allows the user to remove another user from the chat.COMMENT: (1 of 2) The English translation was not clear at all, so we tried to simplify it. Is it still technically accurate?

Restores a deleted message.

Returns a list of the current user's private messages that match search criteria.

Returns a list of conversations that match search criteria.

Sends a message.

Changes the status of a user as typing in a conversation.

Sets a previously-uploaded picture as the cover picture of a chat.