I have created a model with source and rack with item type and color as a trigger, which stores 3 different color boxes in particular bays. After getting stored in the rack, I want to assign each item's with unique value so that with this value I can retrieve the item. How can I assign unique values to each item for this model?
Just assigning some value to an item will not get you a reference to said item in other parts of the model. This sounds like you might want to use a list for this purpose.
https://docs.flexsim.com/en/19.1/ConnectingFlows/Lists/KeyConceptsLists/KeyConceptsLists.html
It's probably also worth noting that version 19.2 introduced the Storage System to manage items efficiently and bypassing most needs to have a list. In the most recent versions you can also use a Map of arrays of items.
@Felix Möhlmann I think you comment is an answer - so promoted it.
Here's a simple model that demonstrates using a list. The items are pushed to a list in the "Send to Port" option of the rack. The processors pull items with type 1 or 2 respectively. A process flow pulls any items that are older than 1 minute ("age > 60") and has a forklift move them to a queue.
If you convert the item reference into a number, you have a unique value.
https://docs.flexsim.com/en/19.1/Reference/CodingInFlexSim/CommandReference/Commands.html#tonum
If you convert the value back by
https://docs.flexsim.com/en/19.1/Reference/CodingInFlexSim/CommandReference/Commands.html#tonode
you get a direct reference to the item.
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