createinstance gives me error I can't fix

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question

Patrick Cloutier asked Sep 15 2021 at 6:44 PM Patrick Cloutier commented Sep 15 2021 at 8:22 PM

createinstance gives me error I can't fix

I have a flowitem called Cart.

If I try to create copies with this statement I get an error I can't figure after trying to write it 50 ways.

createinstance(library().find("?Cart"),Model.find("Queue1"));

See attached sample model.

ErrorWithCreateInstance.fsm

Software Version:

FlexSim 21.2.2

createinstance

errorwithcreateinstance.fsm (28.9 KiB)

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Answer 1 · 2021-09-15T19:29:00Z

Matthew Gillespie answered Sep 15 2021 at 7:29 PM Patrick Cloutier commented Sep 15 2021 at 8:22 PM

First of all, especially since you're already using Process Flow, you should just use the Create Object activity to create the cart flowitem.

createCartFlowitem.fsm

The issue with your code is that flowitems are not stored in the library, they are in the flowitem bin. To create a copy of a flowitem defined in the flowitem bin you'd do:

createcopy(Model.find("Tools/FlowItemBin/Cart/1"), Model.find("Queue1"));

createcartflowitem.fsm (28.6 KiB)

· 3

Patrick Cloutier commented · Sep 15 2021 at 7:41 PM

Thanks !!

The reason why I do it with code instead of the CreateObject activity is because I use this command to create starting inventory in a large number of queues. I use a for loop to place a cart in all members of a group of queues.

But why can't I use createinstance?

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Matthew Gillespie ♦♦ Patrick Cloutier commented · Sep 15 2021 at 8:06 PM

@Patrick Cloutier

See Allister's answer

Or Phil's comment on your previous question

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Patrick Cloutier Matthew Gillespie ♦♦ commented · Sep 15 2021 at 8:22 PM

I spent at least 30 minutes searching through Answers before I posted this question and I never came across that post from last year on the same subject. Weird.

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