do_action( 'wpmu_new_blog', int $blog_id, int $user_id, string $domain, string $path, int $network_id, array $meta )

Parameters

$blog_id

(int) Site ID.

$user_id

(int) User ID.

$domain

(string) Site domain.

$path

(string) Site path.

$network_id

(int) Network ID. Only relevant on multi-network installations.

$meta

(array) Meta data. Used to set initial site options.