How pass the variable form config file form one plugin to another in Symfony?

I am new to Symfony 1.4

And I have a project in which I have 2 plugins. In first plugin named myPlugin1 I have the config folder and in him the app.yml file, in which I have set a predefined "variable" like that:

all:
  carriage:
    cost:
      prepaid: 10

What I need is to pass this "variable" in a class from my other plugin, myPlugin2, which actually handle the payments costs.

How can I pass this "variable" to my class?

UPDATE: Ca开发者_开发百科n I do this like that? Or this can be used only in current plugin?

sfConfig::get('all_carriage_cost_prepaid')

---

the actual call must be:

sfConfig::get('app_carriage_cost_prepaid')

The starting prefix is related to the configuration file name. Source here.

Regards.

---

I have found finally how to do it. Is like that:

$myarray = sfConfig::get('all_carriage_cost');
$thevalue = $myarray['cost'];

Here is the source.