Saving Data from List of data using CDT in a localvariable or input rule

hi everyone

i need help to understand something with saving an item in variable which use CDT , 

i create a variable with a CDT ( type document that i defined ) and i created a list which bring me some data , which is also use CDT

now i create a for each because i  want to to save data each time with the function save!() , but after  that i click on test rule it doesnt show nothing everythin is null . 

what am i doing wrong ??? if i using a rule input i have the same issue ... 

what is the way to get the data in another variable .

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