{
  "$schema": "https://json-schema.org/draft/2020-12/schema",
  "$id": "#/components/schemas/DncEntryRequest",
  "title": "DncEntryRequest",
  "type": "object",
  "required": [
    "phoneNumber",
    "source"
  ],
  "properties": {
    "phoneNumber": {
      "type": "string",
      "pattern": "^\\+[1-9]\\d{1,14}$",
      "description": "The phone number to add to the DNC list. Must be in E.164 format (e.g., +1234567890).",
      "example": "+1234567890"
    },
    "source": {
      "type": "string",
      "minLength": 1,
      "maxLength": 100,
      "description": "The source or origin of the DNC entry. This helps track where the request originated from.",
      "example": "customer-request"
    },
    "reason": {
      "type": "string",
      "maxLength": 500,
      "description": "Optional reason for adding the phone number to the DNC list. This can help with compliance documentation.",
      "example": "Customer requested to be removed from all marketing calls"
    }
  },
  "example": {
    "phoneNumber": "+1234567890",
    "source": "customer-request",
    "reason": "Customer opted out via email"
  }
}