Use it with the leteScheduledMessage method to delete the message before it is sent.įor details on formatting, usage in threads, and rate limiting, check out chat.postMessage documentation. The response includes the scheduled_message_id assigned to your message. Exceeding this will result in a restricted_too_many error. Additionally, you cannot schedule more than 30 messages to post within a 5-minute window to the same channel. If you specify a post_at timestamp beyond this limit, you’ll receive a time_too_far error response. You will only be able to schedule a message up to 120 days into the future. It can be formatted as plain text, or with mrkdwn. If you aren't, this is the main body text of the message. If you are using blocks, this is used as a fallback string to display in notifications.

The usage of the text field changes depending on whether you're using blocks. But just like siblings, they also have their differences. They share a lot of similarities, like their ability to send messages and include various features like attachments and emojis. Think of chat.scheduleMessage and chat.postMessage as two siblings in the Slack family.

The post_at argument is a Unix timestamp, representing the time the message should post to Slack in the future. This method schedules a message for delivery to a public channel, private channel, or direct message/IM channel at a specified time in the future.

Scheduled slack messages