sts-createuser-usermeta

/**
* Filter the user meta data
*
* @since 1.0.0
*
* @param (array)     meta data
* @return (array)     meta data
*/

If a new user is registered during the process of ticket creation, you can use this filter user meta data, before this data is used by wp_update_user(). This filter is used by sts_action_ticket_create().