text: var config = require('multi-configure');
  
  /*
    Use of the environment variable plugin
  */
  config(
    {
      // Sources definitions
      sources: [
        {
          type: 'EnvironmentVariables',
          structure: {
            test: {
              envVar: 'TEST', // The envVar field define the encironment variable name to check for value
            },
            object: {
              envVarPrefix: 'OBJECT_', // A prefix can be precised, which will be added at the beginning of each properties of object. You can define multiple prefix, one per object.
              otherObject: {
                envVarPrefix: 'OTHER_OBJECT_',
                test: {
                  envVar: 'TEST', // Result variable name: OBJECT_ + OTHER_OBJECT_ + TEST = OBJECT_OTHER_OBJECT_TEST
                },
              },
            },
          },
        },
      ],
    }).then(function onSuccess(myConfig) {
      // My Config contains your merged object config. Something like:
      // TEST=test ; OBJECT_OTHER_OBJECT_TEST=xTest
      myConfig = {
        test: 'test',
        object: {
          test: 'xTest',
        },
      };
    }).catch(function onError(err) {
  
    });
  