teams.replyToChannelMessage posts in the reply thread of a root channel message.
Example
automations/reply-in-teams.automation.ts
Inputs
Requiredteam, channel, root messageId, and body accept compatible signals. bodyType is "text" | "html" and defaults to "text". Optional second argument { account } defaults to the project Microsoft binding.
Output
Returns the createdTeamsChatMessage. messageId identifies the reply and replyToId the root. Use the root ID to post another reply or list the thread.