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This skill should be used when the user asks to "create flow", "Flow Designer", "workflow automation", "subflow", "action", "flow trigger", "scheduled flow", or any ServiceNow Flow Designer development.
npx skill4agent add groeimetai/snow-flow flow-designertool_search({query: "flow designer"})parent_ui_iduiUniqueIdentifierparent_ui_idconnected_tologicId| Component | Purpose | Reusable |
|---|---|---|
| Flow | Main automation process | No |
| Subflow | Reusable flow logic | Yes |
| Action | Single operation (Script, REST, etc.) | Yes |
| Spoke | Collection of related actions | Yes |
Trigger: Created
Table: incident
Condition: Priority = 1
Trigger: Updated
Table: incident
Condition: State changes to Resolved
Trigger: Created or Updated
Table: change_request
Condition: Risk = HighTrigger: Daily
Time: 02:00 AM
Timezone: America/New_York
Trigger: Weekly
Day: Monday
Time: 08:00 AMTrigger: Service Catalog
Catalog Item: Request New LaptopMain Flow: Incident P1 Handler
├── Trigger: Incident Created (Priority = 1)
├── Action: Log Event
├── Subflow: Notify On-Call Team ← Reusable!
├── Subflow: Create Major Incident ← Reusable!
└── Action: Update IncidentFlow: Process Integration
├── Try
│ ├── Action: Call REST API
│ ├── Action: Parse Response
│ └── Action: Update Record
├── Catch (all errors)
│ ├── Action: Log Error Details
│ ├── Action: Create Error Task
│ └── Action: Send Alert
└── Always
└── Action: Cleanup Temp Data// Input Variables (from trigger)
var incidentSysId = fd_data.trigger.current.sys_id;
var priority = fd_data.trigger.current.priority;
// Scratch Variables (within flow)
fd_data.scratch.approval_required = priority == '1';
fd_data.scratch.notification_sent = false;
// Output Variables (to calling flow/subflow)
fd_data.output.success = true;
fd_data.output.message = 'Processed successfully';If: Priority = Critical
Then:
- Notify VP
- Create Major Incident
- Page On-Call
Else If: Priority = High
- Notify Manager
- Escalate in 4 hours
Else:
- Standard Processing(function execute(inputs, outputs) {
// Inputs defined in Action Designer
var incidentId = inputs.incident_sys_id;
var newState = inputs.target_state;
// Process
var gr = new GlideRecord('incident');
if (gr.get(incidentId)) {
gr.setValue('state', newState);
gr.update();
// Set outputs
outputs.success = true;
outputs.incident_number = gr.getValue('number');
} else {
outputs.success = false;
outputs.error_message = 'Incident not found';
}
})(inputs, outputs);(function execute(inputs, outputs) {
try {
var gr = new GlideRecord(inputs.table_name);
gr.addEncodedQuery(inputs.query);
gr.query();
var records = [];
while (gr.next()) {
records.push({
sys_id: gr.getUniqueValue(),
display_value: gr.getDisplayValue()
});
}
outputs.records = JSON.stringify(records);
outputs.count = records.length;
outputs.success = true;
} catch (e) {
outputs.success = false;
outputs.error_message = e.message;
// Flow Designer will catch this and route to error handler
throw new Error('Query failed: ' + e.message);
}
})(inputs, outputs);Action: Call External API
Connection: My REST Connection Alias
HTTP Method: POST
Endpoint: /api/v1/tickets
Headers:
Content-Type: application/json
Authorization: Bearer ${connection.credential.token}
Request Body:
{
"title": "${inputs.short_description}",
"priority": "${inputs.priority}",
"reporter": "${inputs.caller_email}"
}
Parse Response: JSON// In a Script step after REST call
var response = fd_data.action_outputs.rest_response;
if (response.status_code == 201) {
outputs.external_id = response.body.id;
outputs.success = true;
} else {
outputs.success = false;
outputs.error = response.body.error || 'Unknown error';
}Subflow: Send Notification
Inputs:
- recipient_email (String)
- subject (String)
- body (String)
- priority (String, default: "normal")
Actions:
1. Look Up: User by email
2. If: User found
- Send Email notification
- Output: success = true
3. Else:
- Log Warning
- Output: success = falseSubflow: Request Approval
Inputs:
- record_sys_id (Reference)
- approver (Reference: sys_user)
- approval_message (String)
Actions:
1. Create: Approval record
2. Wait: For approval state change
3. If: Approved
- Output: approved = true
4. Else:
- Output: approved = false
- Output: rejection_reason = comments| Feature | Flow Designer | Workflow |
|---|---|---|
| Interface | Modern, visual | Legacy |
| Reusability | Subflows, Actions | Limited |
| Testing | Built-in testing | Manual |
| Version Control | Yes | Limited |
| Integration Hub | Yes | No |
| Performance | Better | Slower |
| Recommendation | Use for new development | Maintain existing only |
// In Script Action
fd_log.info('Processing incident: ' + inputs.incident_number);
fd_log.debug('Input data: ' + JSON.stringify(inputs));
fd_log.warn('Retry attempt: ' + inputs.retry_count);
fd_log.error('Failed to process: ' + error.message);Navigate: Flow Designer > Executions
Filter by: Flow name, Status, Date range
View: Step-by-step execution detailsTrigger: SLA breached (Task SLA)
Actions:
1. Get: Task details
2. Get: Assignment group manager
3. Send: Escalation email
4. Update: Task priority
5. Create: Escalation taskTrigger: Request Item created
Actions:
1. If: Amount < $1000
- Auto-approve
2. Else If: Amount < $10000
- Request: Manager approval
3. Else:
- Request: VP approval
- Wait: 3 business days
- If timeout: Escalate to CFOTrigger: Scheduled (every 15 minutes)
Actions:
1. Call: External API (get changes)
2. For Each: Changed record
a. Look Up: Matching local record
b. If exists: Update
c. Else: Create
3. Log: Sync summary