{
  "$schema": "https://json-schema.org/draft/2020-12/schema",
  "$id": "https://raw.githubusercontent.com/api-evangelist/convertkit/main/json-schema/update_a_sequence_email_request.json",
  "title": "Update a sequence email Request",
  "x-tag": "Sequence Emails",
  "type": "object",
  "properties": {
    "subject": {
      "type": "string",
      "description": "New subject line for the email"
    },
    "preview_text": {
      "type": "string",
      "nullable": true,
      "description": "New preview text shown in email clients before the email is opened"
    },
    "content": {
      "type": "string",
      "nullable": true,
      "description": "New HTML body content of the email"
    },
    "delay_value": {
      "type": "integer",
      "description": "New delay value"
    },
    "delay_unit": {
      "type": "string",
      "enum": [
        "days",
        "hours"
      ],
      "description": "New delay unit. Use `days` for schedule-aware delivery, `hours` for a fixed hourly delay"
    },
    "email_template_id": {
      "type": "integer",
      "nullable": true,
      "description": "New email template ID for layout and styling. Pass `null` to clear"
    },
    "published": {
      "type": "boolean",
      "description": "Pass `true` to publish a draft email or `false` to unpublish it"
    },
    "send_days": {
      "type": "array",
      "nullable": true,
      "items": {
        "type": "string"
      },
      "description": "Days of the week this email may be sent. Pass a subset to restrict delivery, or `null` to reset to all days (inherits the sequence schedule)"
    },
    "position": {
      "type": "integer",
      "nullable": true,
      "description": "New zero-based position of the email in the sequence"
    }
  }
}