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Question about Aspen Custom Modeller

Question about Aspen Custom Modeller

(OP)
Hi all
I just recently started the use the ACM so I'm rather unexperienced. So the question I have is:

Why are there some variables missing in the all.variables list of a block although they are mentioned in the code for the model?

The code is:

CODE -->

MODEL Feeder
  p as Pressure; // in bar
  t as temperature; //in °C
  Total            as flow_mol;

  X(ComponentList) as fraction;
  X("H2"):       1.0, fixed;

  FeederOutlet as Output Port1;
 total.Value: 20;
 p.value: 10;
 t.value: 50;

END 

I compared my code with the codes from different models from the examples. And I don't really see a significant difference in defining the variables.
The allvariables list I'm getting for this code is in the pic below

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