apply_filters( 'user_request_action_email_headers', string|array $headers, string $subject, string $content, int $request_id, array $email_data )

4929	 *     @type string          $description Description of the action being performed so the user knows what the email is for.4930	 *     @type string          $confirm_url The link to click on to confirm the account action.4931	 *     @type string          $sitename    The site name sending the mail.4932	 *     @type string          $siteurl     The site URL sending the mail.4933	 * }4934	 */4935	$headers = apply_filters( 'user_request_action_email_headers', $headers, $subject, $content, $request_id, $email_data );4936 4937	$email_sent = wp_mail( $email_data['email'], $subject, $content, $headers );4938 4939	if ( $switched_locale ) {4940		restore_previous_locale();4941	}