Fyno Notification Event

{
  "$schema": "http://json-schema.org/draft-07/schema#",
  "$id": "https://raw.githubusercontent.com/api-evangelist/fyno/main/json-schema/fyno-notification-event-schema.json",
  "title": "Fyno Notification Event",
  "description": "Schema for firing a notification event via the Fyno REST API. At least one of distinct_id or to must be provided.",
  "type": "object",
  "properties": {
    "event": {
      "type": "string",
      "description": "The name of the notification event configured in your Fyno account.",
      "example": "order_confirmation"
    },
    "distinct_id": {
      "type": "string",
      "description": "Unique identifier for the user whose profile channels will be used for delivery.",
      "example": "user-12345"
    },
    "to": {
      "type": "object",
      "description": "Explicit destination channel addresses. Overrides profile channel data when distinct_id is also supplied.",
      "properties": {
        "sms": {
          "type": "string",
          "description": "Phone number in E.164 format for SMS delivery.",
          "example": "919XXXXXXXXX"
        },
        "whatsapp": {
          "type": "string",
          "description": "Phone number in E.164 format for WhatsApp delivery.",
          "example": "919XXXXXXXXX"
        },
        "email": {
          "type": "string",
          "format": "email",
          "description": "Email address for email delivery.",
          "example": "user@example.com"
        },
        "push": {
          "type": "array",
          "description": "Push notification tokens.",
          "items": {
            "type": "object",
            "properties": {
              "token": { "type": "string" },
              "provider": { "type": "string" }
            }
          }
        },
        "inapp": {
          "type": "string",
          "description": "In-app notification channel identifier."
        },
        "slack": {
          "type": "object",
          "description": "Slack destination details.",
          "properties": {
            "channel": { "type": "string" },
            "webhook_url": { "type": "string" }
          }
        },
        "voice": {
          "type": "string",
          "description": "Phone number for voice call delivery.",
          "example": "919XXXXXXXXX"
        }
      },
      "additionalProperties": true
    },
    "data": {
      "type": "object",
      "description": "Template variable data used to populate notification content.",
      "additionalProperties": true,
      "example": {
        "order_id": "ORD-9876",
        "amount": 1200,
        "customer_name": "Jane Doe"
      }
    },
    "callback": {
      "type": "object",
      "description": "Optional webhook callback configuration for delivery status updates.",
      "properties": {
        "url": {
          "type": "string",
          "format": "uri",
          "description": "URL to POST delivery status updates to."
        },
        "headers": {
          "type": "object",
          "description": "Additional HTTP headers to send with the callback request.",
          "additionalProperties": { "type": "string" }
        }
      }
    },
    "idempotency_key": {
      "type": "string",
      "description": "Optional key to prevent duplicate event processing.",
      "example": "idem-abc-001"
    }
  },
  "required": ["event"],
  "anyOf": [
    { "required": ["distinct_id"] },
    { "required": ["to"] }
  ]
}