toJson method

Implementation

Map<String, dynamic> toJson() => {
      if (minAge != null) 'minAge': minAge,
      if (maxAge != null) 'maxAge': maxAge,
      if (refId != null) 'refId': refId,
      if (callbackUrl != null) 'callbackUrl': callbackUrl,
      if (redirectUrl != null) 'redirectUrl': redirectUrl,
    };