How to automatically call slot labels with code

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Sonia A asked Mar 23, '21 Sonia A commented Mar 23, '21

How to automatically call slot labels with code

Hello Everybody,

I am working on a model in Flexsim in which I would like to automatically create labels in a storage system based on the number of pallets that I store in the slot. I have used this code and it works:

If I am not mistaken, with the code above, every slot address has two labels: SKU1 and SKU2.

In another code I would like to select the address of the slots and change the value of the labels that I have created above. I get the address of the slot from labels on my token that indicate the number of corridor, level, bay etc. and based on a condition I decide whether to assign the value "token.UDC.sku" to the slot label SKU1 or SKU2. If I am storing the first pallet, then the label SKU1 of that slot should be equal to the SKU of the pallet (token.UDC.sku). If I am storing the second pallet, I would like to set the value of the slot label SKU 2 equal to the SKU of the pallet (token.UDC.sku).

If I have three stored pallets I would need three slot labels (SKU1 SKU2 SKU3) and I would need to expand the code above to cover the condition if(token.cpal == 3). Since the number of pallets in the slot can vary, I wanted to automatize this system and I have tried to write the code below.

The problem is in the way I call the label of the slot. If I call it directly by its name (SKU1 or SKU2) it works but if I use the last code that I showed, it does not work because I cannot refer to the label of the slot address by using "concat...".

Does anybody know how to solve this problem and how to refer to a slot label without directly writing its name in the format .labelname?

Thank you so much for your help!

Software Version:

FlexSim 21.0.3

flexscript storage system flexsim 21.0.3 slot labels accessing labels

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Answer 1 · 2021-03-23T12:27:44Z

Jason Lightfoot answered Mar 23, '21 Sonia A commented Mar 23, '21

object.labels["SKU"+mynum].value

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Sonia A commented · Mar 23, 2021 at 01:16 PM

Hi Jason, Thank you for your answer!

Could I kindly ask you how you would put that part in the code I have shown above? I have tried this but it does not work.

I have also tried in this and it doesn't work either

Do you know how can I use what you suggested on a slot like in my case?

Thank you so much for your help, it is really appreaciated!

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Jason Lightfoot ♦♦ Sonia A commented · Mar 23, 2021 at 02:12 PM

You need to have the label on the slot first before you can use that expression.

For example - this code will put a label "SKU4" on every slot and set it to he index in the array of all slots.

Array slots=Storage.system.querySlots("");
for (int n=slots.length;n>0;n--){
    slots[n].labels.assert("SKU"+4);
    slots[n].labels["SKU"+4].value=n;
}

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Sonia A Jason Lightfoot ♦♦ commented · Mar 23, 2021 at 03:34 PM

Thank you a lot!

There is still something that I do not understand. In my code I have this part (picture) which already creates the labels on the slots. It creates them in the Storage System Properties, so theoretically I did have the labels on the slots before I used your expression. I can't use the expression Storage.system.getslot("string address") together with your suggestion (object.labels["SKU"+mynum].value ), even if I already have the labels on my slots. Do you have any idea why that is?

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