How do I resume item on message trigger?

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Jonathan asked Jan 07 2021 at 10:00 PM Jonathan commented Jan 08 2021 at 7:49 PM

How do I resume item on message trigger?

Using either a decision point or a conveyor station, how do I resume item on message trigger without process flow?

Software Version:

FlexSim 20.2.3

flexsim 20.2.3 message trigger

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Answer 1 · 2021-01-07T23:11:59Z

Jason Lightfoot answered Jan 07 2021 at 11:11 PM Jonathan commented Jan 08 2021 at 7:49 PM

I might pass in the item to resume as the sending object. The question then is which object is receiving the message, and from where is it sent?

· 8

Jason Lightfoot ♦♦ commented · Jan 08 2021 at 12:00 AM

Here's an example using the DP arrival (to stop and send a delayed message) and DP messagetrigger to resume.

DPstopMessageResume.fsm

1 ·

dpstopmessageresume.fsm (42.5 KiB)

Jonathan Jason Lightfoot ♦♦ commented · Jan 08 2021 at 2:53 PM

In your example the decision point is sending the message to itself. So

conveyor.itemData[fromObject].resume();

resolves correctly. But if another object is sending the message then it does not. I get:

time: 4.958494 exception: FlexScript exception: MODEL:/Pos1>variables/Custom/onMessage

In another thread the reply used some kind of label on the object to point to the flow item. But I can't figure out how to do that. Here's that thread:

https://answers.flexsim.com/questions/40783/code-to-resume-conveyor.html

Why aren't there more pick list options for on message triggers? It seems like it would be incredibly useful.

0 ·

Jason Lightfoot ♦♦ Jonathan commented · Jan 08 2021 at 4:54 PM

Here's an example where the top conveyor's DP sends a message to the lower DP (centerObjects reference).

The lower DP ignores it if it doesn't have an item - which I set as a label on arrival and clear on message.remoteDPmessageResume.fsm

1 ·

remotedpmessageresume.fsm (47.9 KiB)

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