preview method
Preview a rendered email template.
Implementation
Future<Map<String, dynamic>> preview({
required String templateId,
Map<String, dynamic>? variables,
}) async {
final response =
await _client.post('/email-templates/$templateId/preview', body: {
if (variables != null) 'variables': variables,
});
return response['data'] as Map<String, dynamic>? ?? response;
}