Send a milestone postcard from Slack
Celebrate progress with something people can hold.
Trigger
Channel Message Received
Triggered when a message is posted in a Slack channel (public, private, or multi-party IM). Does NOT match direct messages.
Action
Send Postcard
Tool to send a postcard via u.s. mail with specified recipient, sender, and front/back images. use after confirming recipient addresses and design urls. example: send postcard(to name='john doe', ..., front image='https://...', back image='https://...')
Why this helps
Milestones get acknowledged in chat and forgotten by the next deadline.
- Makes milestones memorable
- Keeps celebrations consistent
- Removes postcard preparation from your list
Setup
Build it in a few focused steps.
- 1Connect Slackbot and Docupost once in Notis.
- 2Create an automation named Channel milestone postcard.
- 3Tell Notis to recognize milestone announcements, confirm the recipient and address, and send the selected postcard design.
- 4Pick Channel Message Received as the trigger.
- 5Choose where run reports go and test with one real milestone.
Questions about this workflow
Which milestones can it recognize?
Define the project or customer milestones that should qualify in the automation instruction.
Can it wait for confirmation?
Yes. Ask Notis to request confirmation before sending when the recipient is ambiguous.
When this happens · Trigger
Do this · Action
Supported Triggers and Actions
Notis builds workflows that link Slackbot to Docupost. A trigger fires from one place; an action lands in another.
Slackbot triggers
Docupost actions
Recurring trigger
Notis starts this workflow on a schedule, such as daily, weekly, or during business hours.
Send Letter
Tool to send a letter via u.s. mail with specified recipient, sender, and pdf. use after confirming recipient and document details. example: send letter(to name='john doe', to address='123 main st, ...', file url='https://...')
Webhook trigger
Notis starts this workflow when an external tool or custom backend sends an HTTP request.
Send Postcard
Tool to send a postcard via u.s. mail with specified recipient, sender, and front/back images. use after confirming recipient addresses and design urls. example: send postcard(to name='john doe', ..., front image='https://...', back image='https://...')
New Channel Created Trigger
Triggered when a new channel is created in Slack.
Channel Message Received
Triggered when a message is posted in a Slack channel (public, private, or multi-party IM). Does NOT match direct messages.
Direct Message Received
Triggered when a new direct message (DM) is sent to a user in Slack. Catches all DMs across all DM channels.
Message Reaction Added
Triggered when a reaction is added to a message in Slack. Supports optional filtering by channel and emoji name.
Message Reaction Removed
Triggered when a reaction is removed from a message in Slack. Supports optional filtering by channel and emoji name.
Reaction Added Trigger
DEPRECATED: use `SLACK_MESSAGE_REACTION_ADDED` instead. Triggered when a reaction is added to a message in Slack.
Connect any two apps with Notis in the middle.
Slackbot and Docupost, or any other combination from 1,000+ integrations.
When this happens · Trigger
Do this · Action
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