├─ Plan: Free | Basic | Premium | Enterprise
├─ Segment: Retail | Wholesale | Corporate
├─ Source: Google | Facebook | Referral
└─ Region: North | South | East | West

├─ Lifetime value (LTV): $5,000.00
├─ Last purchase: Jan 15, 2025
├─ Registration date: May 1, 2024
└─ Has discount: Yes/No

├─ Preferred channel: WhatsApp | Email | Phone
├─ Best time: Morning | Afternoon | Evening
├─ Language: EN | ES | PT
└─ Newsletter: Active | Inactive

PUT /api/v1/accounts/1/contacts/123
{
  "custom_attributes": {
    "plan": "Premium",
    "ltv": 5000,
    "region": "East"
  }
}

├─ Order number: #12345
├─ Order value: $299.90
├─ Delivery status: Shipped
└─ Tracking code: US123456789

├─ Problem type: Bug | Question | Feature Request
├─ Severity: Low | Medium | High | Critical
├─ Product version: 2.5.1
└─ Resolved in: 1st interaction | 2nd | 3rd

├─ Proposal value: $10,000.00
├─ Probability: 20% | 50% | 80%
├─ Follow-up date: Jan 20, 2025
└─ Competitor: Yes | No

IF contact.plan = "Enterprise"
THEN add label #vip
AND assign to senior_agent
AND notify manager

IF conversation.value > $5,000
THEN max_response_time = 5min

IF conversation.value < $500
THEN max_response_time = 30min

Hello {{contact.name}}!

We noticed your {{contact.plan}} plan 
expires on {{contact.expiry_date}}.

Renew with 20% OFF using code: 
RENEW{{contact.plan}}

Best regards,
{{agent.name}}