Use one reaction to remember a thoughtful follow-up
React to the right Slack message and let Notis prepare a handwritten card order while you keep moving through your day.
Trigger
Message Reaction Added
Triggered when a reaction is added to a message in Slack. Supports optional filtering by channel and emoji name.
Action
Place Order in Basket
Tool to add an order to the basket in Handwrytten. Use when you need to create a new handwritten card order with specified recipients, card design, message, and delivery details. The order can be placed immediately or scheduled for future delivery.
Why this helps
Remembering to revisit a good intention after a busy conversation takes extra mental effort.
- Turn a lightweight reaction into a clear follow-up cue.
- Keep the reason for the card connected to the original message.
- Avoid switching away from Slack to start the order.
Setup
Build it in a few focused steps.
- 1Connect Slack and Handwrytten to Notis once in the portal.
- 2Create an automation in the portal or describe the reaction-based workflow to Notis.
- 3In one instruction, tell Notis to prepare a relevant card order when you react to a message about a milestone or thank-you.
- 4Choose the message reaction added trigger and a channel for run reports.
- 5Test by adding the agreed reaction to one real message, then check the Handwrytten basket.
Questions about this workflow
Can any reaction start the workflow?
Choose a specific reaction for the automation so the signal is intentional and easy to remember.
Does the order go straight to the recipient?
The action adds an order to the Handwrytten basket. Review and complete checkout there.
When this happens · Trigger
Do this · Action
Supported Triggers and Actions
Notis builds workflows that link Slack to Handwrytten. A trigger fires from one place; an action lands in another.
Slack triggers
Handwrytten actions
Recurring trigger
Notis starts this workflow on a schedule, such as daily, weekly, or during business hours.
Add Recipient
Tool to add a recipient address to the user's addressbook in Handwrytten. Use when you need to store a new recipient for sending handwritten cards.
Webhook trigger
Notis starts this workflow when an external tool or custom backend sends an HTTP request.
Calculate Order Taxes
Tool to calculate taxes for Handwrytten basket orders. Use without any parameters for basket orders, or optionally provide order details to calculate taxes for a specific order (experimental).
New Channel Created Trigger
Triggered when a new channel is created in Slack.
Check Authentication
Tool to verify API key authentication validity for Handwrytten. Use when you need to test if the API credentials are valid and properly configured.
Channel Message Received
Triggered when a message is posted in a Slack channel (public, private, or multi-party IM). Does NOT match direct messages.
Clear Basket
Tool to clear all items from the shopping basket. Use when you need to empty the basket and remove all pending items before starting a new order or canceling the current selection.
Direct Message Received
Triggered when a new direct message (DM) is sent to a user in Slack. Catches all DMs across all DM channels.
Create Template
Tool to create a new template for the current user. Use when you need to save a new message template for sending handwritten cards.
Message Reaction Added
Triggered when a reaction is added to a message in Slack. Supports optional filtering by channel and emoji name.
Create User Address
Tool to create a new user address in Handwrytten. Use when adding a new return address to a user's profile for sending handwritten cards.
Message Reaction Removed
Triggered when a reaction is removed from a message in Slack. Supports optional filtering by channel and emoji name.
Delete Custom Image
Tool to delete a custom image/logo from Handwrytten. Use when you need to remove a previously uploaded custom image or logo from your account.
Reaction Added Trigger
DEPRECATED: use `SLACK_MESSAGE_REACTION_ADDED` instead. Triggered when a reaction is added to a message in Slack.
Delete Recipient Address
Tool to delete one or more recipient addresses from user's profile. Use when you need to remove saved recipient addresses. Provide either address_id for single deletion or address_ids for bulk deletion.
Connect any two apps with Notis in the middle.
Slack and Handwrytten, or any other combination from 1,000+ integrations.
When this happens · Trigger
Do this · Action
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No card. Works with personal or business Handwrytten.