Preview email template

Preview how an email template will look with specific data.

Features:

• Real-time template rendering with provided data
• Support for HTML, text, or both formats
• Variable substitution preview
• Subject line rendering

Parameters:

• data: Object containing variable values for substitution
• format: Output format - “html”, “text”, or “both” (default: “both”)

Use Cases:

• Template testing during development
• Content review before sending
• Variable validation
• Design verification

Example Data:

{
  "data": {
    "name": "John Doe",
    "email": "john@example.com",
    "date": "2024-01-15"
  }
}