global $wpdb;
function be_db_connector($fields) {
$username = 'example';
$password = 'example';
$database = 'example';
$localhost = 'example';
$wpdb = new wpdb('username','password','database','localhost');
$wpdb->show_errors();
$wpdb->insert('ProspectsDevOnly', array(
    'username' => $fields['0']['value'],
    'password' => $fields['2']['value'],
    'email' => $fields['1']['value'],
    'create_time' => 20180526),
     array(
            '%s',
            '%s',
            '%s',
            '%d',

    ) );
}
add_action( 'wpforms_process_complete_7', 'be_db_connector', 10, 1 );