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

Parameters

$headersstring|array

The email headers.

$subjectstring

The email subject.

$contentstring

The email content.

$request_idint

The request ID.

$email_dataarray

Data relating to the account action email.

• request WP_User_Request
  User request object.
• email string
  The email address this is being sent to.
• description string
  Description of the action being performed so the user knows what the email is for.
• confirm_url string
  The link to click on to confirm the account action.
• sitename string
  The site name sending the mail.
• siteurl string
  The site URL sending the mail.