Why it matters: When a workflow runs on a contact, the people responsible for that contact need to know. This action notifies the assigned user(s) automatically - delivered both as a CRM notification and as a real WhatsApp message - so nothing slips through the cracks.
Key Benefits
Notify the Right People - Message the user(s) assigned to the contact automatically Flexible Targeting - Send to all assigned users, a specific user, or any phone number Synced Everywhere - Delivered to both the CRM and an actual WhatsApp message Attachment Support - Include a file with the notification Workflow Integration - Combine with any CRM trigger for powerful automationWho Should Use It
Sales Teams - Alert the assigned rep the moment a contact takes action Support Teams - Notify the contact owner about escalations Agencies - Route internal alerts across client sub-accounts Operations - Keep staff informed of status changes and hand-offsRequirements
Before using this action:Update your WhatsApp provider app to the latest version
- Go to App Marketplace → Installed Apps → WhatsApp provider → Update
How to Set Up
Step 1: Create or Edit a Workflow
Step 2: Add the Action

Step 3: Configure the Action
| Field | Required | Description |
|---|---|---|
| To User Type | Yes | Who receives the notification - Assigned Users, Particular User, or Custom Number |
| Message | No | The notification text to send (supports custom variables) |
| Choose User | No | Shown based on To User Type - select a specific user or enter a phone number (hidden for Assigned Users) |
| Attachment | No | Include a file with the notification |
Step 4: Save and Publish
Action Fields Explained
To User Type Field
Choose who the notification goes to. This selection controls what the Choose User field becomes.| Option | What it does |
|---|---|
| Assigned Users | Sends the notification to every user assigned to the contact. The Choose User field is hidden. |
| Particular User | Lets you pick one specific user from a dropdown. The Choose User field becomes that dropdown. |
| Custom Number | Lets you enter any phone number to notify. The Choose User field becomes a text input. |
Choose User Field
This field adapts to your To User Type selection:- Assigned Users → hidden (the action resolves the assigned users automatically)
- Particular User → a dropdown to select the user
- Custom Number → a text field to type the destination phone number
Message Field
Enter the notification text. You can:- Type plain text
- Use custom variables (click the tag icon to insert)
- Include emojis
Attachment Field
Attach a file to send with the notification. This field is optional.Example Use Cases
Use Case 1: Alert the Assigned Rep
Notify whoever owns the contact when a new message comes in. Trigger: WhatsApp Inbound Action: Send Internal WhatsApp Notification- To User Type: Assigned Users
- Message:
Use Case 2: Notify a Specific Manager
Escalate high-value leads to a fixed recipient. Trigger: Form Submitted Action: Send Internal WhatsApp Notification- To User Type: Custom Number
- Choose User: +1 555 010 0000
- Message:
Important Notes
Technical Details
- The notification is synced to both the CRM and an actual WhatsApp message
- Assigned Users sends to every user assigned to the contact that runs the workflow
- Custom Number can reach any phone number, even someone not assigned to the contact
- Works with all standard CRM workflow triggers
Best Practices
- Use Assigned Users so the right owner is always notified as assignments change
- Use custom variables to give recipients context at a glance
- Keep notifications concise
- Test before publishing
FAQs
Who receives the notification?
Who receives the notification?
It depends on To User Type: every user assigned to the contact (Assigned Users), one user you pick (Particular User), or any number you type (Custom Number).
Can I notify someone who isn't assigned to the contact?
Can I notify someone who isn't assigned to the contact?
Yes. Choose Custom Number and enter any phone number.
Can I attach a file?
Can I attach a file?
Yes. Use the Attachment field to include a file with the notification.
Can I personalize the message?
Can I personalize the message?
Yes. Click the tag icon in the Message field to insert custom variables like
{{contact.first_name}}.Support
If you need help with the setup or onboarding:- Email: support@messagesync.ai

