How to use a msg parameter in a wait for event ?

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Mohamed Slama asked May 29, '17 Sam Stubbs commented May 30, '17

How to use a msg parameter in a wait for event ?

In my model, I am using an onmessage event in a wait for event trigger.

I want to use the value of the message parameter to decrease this value from a previous value in a label in the process flow instance.

So In my model, when the photoeye will be "OnBlock" or "OnClear" it will send a message to the corresponding processflow instance (plane), and in the 'wait for event' I want to use the value of this message parameter to decrease this value from the "stopped" label in this instance.

Thank you,

Slama

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process flow labels wait for event onmessage trigger message param

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Answer 1 · 2017-05-30T14:14:02Z

Sam Stubbs answered May 30, '17 Sam Stubbs commented May 30, '17

You can assign the msg parameter to a label on your token, using the label table in the Wait for Event activity properties. You'll notice that one of the table options for an OnMessage trigger, is the Msg Param from the message. Just assign this value to a label name of your choosing, and then you can use it in your logic.

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Mohamed Slama commented · May 30, 2017 at 02:59 PM

@Sam Stubbs Thank you for your answer. But after that how can I use the token's label in the code ? Just by writing current.LabelName ? or something like current.token.LabelName ?

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Sam Stubbs ♦ Mohamed Slama commented · May 30, 2017 at 03:23 PM

Once the label is on the token, you can reference it in Process Flow activities by calling token.labelName.

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