{
  "$schema": "https://json-schema.org/draft/2020-12/schema",
  "$id": "#/components/schemas/CreateEmailCampaign",
  "title": "CreateEmailCampaign",
  "type": "object",
  "required": [
    "name",
    "sender"
  ],
  "properties": {
    "name": {
      "type": "string",
      "description": "Name for the campaign used for internal identification."
    },
    "subject": {
      "type": "string",
      "description": "Subject line for the campaign email."
    },
    "sender": {
      "type": "object",
      "description": "Sender identity for the campaign.",
      "required": [
        "email"
      ],
      "properties": {
        "name": {
          "type": "string",
          "description": "Sender display name."
        },
        "email": {
          "type": "string",
          "format": "email",
          "description": "Sender email address."
        }
      }
    },
    "htmlContent": {
      "type": "string",
      "description": "HTML content for the campaign body."
    },
    "templateId": {
      "type": "integer",
      "format": "int64",
      "description": "ID of a template to use for the campaign content."
    },
    "scheduledAt": {
      "type": "string",
      "format": "date-time",
      "description": "UTC date-time to schedule the campaign send."
    },
    "recipients": {
      "type": "object",
      "description": "Target audience for the campaign.",
      "properties": {
        "listIds": {
          "type": "array",
          "description": "IDs of contact lists to target.",
          "items": {
            "type": "integer",
            "format": "int64"
          }
        },
        "exclusionListIds": {
          "type": "array",
          "description": "IDs of contact lists to exclude.",
          "items": {
            "type": "integer",
            "format": "int64"
          }
        }
      }
    },
    "replyTo": {
      "type": "string",
      "format": "email",
      "description": "Reply-to email address for the campaign."
    },
    "tag": {
      "type": "string",
      "description": "Tag for categorizing the campaign."
    }
  }
}