getConversationHistory reads messages from a public channel, private channel,
DM, or group DM. Use Get thread replies
when you specifically need every reply beneath a parent.
Example
automations/read-slack-history.automation.ts
Inputs
Output
Returnsmessages: SlackMessage[], hasMore: boolean, and
responseMetadata.nextCursor. Each message contains text, timestamp, and
type, plus available author, thread, block, attachment, file, reaction, reply,
app, bot, and subtype fields.
hasMore describes Slack’s time-window results; use nextCursor for cursor
pagination when present.