how to handle objectmanager

[nicmic]

Some questions due handling of the object manager. Due migrating from an addon from OTRS 3.x.x. to 4.x.x framework i setup some stuff aka:

Code: Select all

package Kernel::Output....

use strict;
use warnings;

our @ObjectDependencies = (
    'Kernel::System::Web::Request',
    'Kernel::Output::HTML::Layout',
    'Kernel::Config',
)

use Kernel::System::ObjectManager;

But i have not opened a new instance for the object manager.

Nevertheless the following code works:

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$Kernel::OM->Get(.....

Why does access to objectmanager working here also if i have not opened a new instance of the OM?