Parameters
Slack channel ID to read from. Omit to use the current conversation’s channel.
Slack workspace team ID. Omit to use the current conversation’s workspace.
Parent message timestamp to read thread replies. Omit for channel-level messages.
Slack timestamp — fetch messages before this time.
Slack timestamp — fetch messages after this time.
Pagination cursor from a previous response’s next_cursor.
Number of messages to return (1–100, default 50).