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So if you have a complex object (such as a 'Filter') and you store it in a global variable, the following applies:

• Such variable can be retrieved from the global cache as a 'Filter' object only as long as you are in the first pass.

• But during During the second pass, if you retrieve it, you will get the JSON representation of this object. Accessing the key of a map stored as a global variable in the second pass is done using the syntax:

  Code Block
  language groovy
  api.global.variable.map[(key)]

Note about global variables:

Global variables are very useful to persist information either:

• between Between elements within the execution of a logic.

• between Between executions of a logic for a set of items (i.e. PG, PL, ...) if api.retainGlobal = true is called.

This 'retainGlobal' also works for making use of global variables during executions of both 1st and 2nd pass (i.e. dirty pass).