Send email function issue with bcc

export const sendEmailNotifications = async ({
  content,
  sendEmailUsers,
  subject,
}: {
  content: string;
  sendEmailUsers: string[];
  subject: string;
}): Promise<void> => {
  try {
    await messaging.createEmail(
      ID.unique(),
      subject,
      content,
      [],
      sendEmailUsers,
      [],
      [],
      ['66bd072b4824aa77bd9b', '66da0993c6adb1bd868a'],
    );
  } catch (error) {
    throw new Error('Error Sending Email');
  }
};