I am trying to have a token pull multiple items from a list, then keep these token IDs as an array for each item pulled. When I have the token enter the Pull from List block, it successfully pulls what I want and has an array of the tokens pulled under the token.pulled label. However, if that token continues along and does other operations (like a delay step), the token.pulled label becomes NULL. How do I keep this information in the token.pulled label? Why is it getting overwritten?
Hi @Nathan S7,
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Your references in your array got erased. This happens if those tokens provided the values of your array got into a sink. Or the Array values are manipulated somewhere else in your model. An Array is a special construct in a programming language. It is a pointer to an address field in system memory and it is NOT a field of values in the scope of FlexSim. If you address an element of an array for a change, then you change everywhere in your model this value. If you do an operation with elements of an array then you store those operations but not the results as changed values. You want to get a copy of an array you have to assign a different memory field in your system for this copy. AND you must do this by a method rather than by a simple assignment. Please look for suitable methods in manual about array class datatype.
https://docs.flexsim.com/en/21.2/Reference/CodingInFlexSim/FlexScriptAPIReference/Data/Array.html
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