[BUG] Timer Start with variable not working

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Posted on by vladimir84

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Hello,

can you please check if this is happening to you too:

- timer with autostart to true (but I also tried without it)

- Start is a variable which is triggered by the UpdateContext({startVariable:true});UpdateContext({startVariable:false});

-TimerOnStart /OnEnd: ClearCollect(colExample, [filtering SQL code here])

- timer time set to 1

When I first navigate on the screen, everything works and the data is being collected. but, clicking a button that fires off the Start variable, causes no action on the timer. I used a label to see if the variable changes true/false, and it does.

Clicking on the timer also does nothing. I also tried putting a variable on the Reset property and using both variables, but no effect.

Version: PowerApps 3.21023.26, Edge Chromium

If this is no longer a supported feature, please provide alternatives. The objective is to have a code that runs on screen visible, but that can be "called" as needed, without having to copy-paste and maintain the same code on different locations.

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Building Power Apps

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WarrenBelz 153,034 Most Valuable Professional on at

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Hi @vladimir84 ,

Have you tried a Global Set() Variable?

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vladimir84 322 on at

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I haven't actually. But why would it matter?

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WarrenBelz 153,034 Most Valuable Professional on at

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@vladimir84 ,

Try it - I have found the same issue a while ago and a global variable set/reset fixed it.

I just also noticed also that you have the set the wrong way around - if you want to start a timer on true, you need to set false then true.

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WarrenBelz 153,034 Most Valuable Professional on at

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Hi @vladimir84 ,

Just checking if you got the result you were looking for on this thread. Happy to help further if not.

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vladimir84 322 on at

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Hi @WarrenBelz ,
thanks for checking in. It's a very frustrating situation, as UpdateContext is working in another app on another environment. It's really difficult to develop when after hours of work you discover that an integral part of the platform is not working the way it was supposed to.

Now, I don't know if I should convert all updatecontexts to Set, like you suggested, or abandon the whole idea and stick with On Visible and repeat the code in buttons.

Whichever the choice, it's going to be hours of work, because the apps are complex.

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vladimir84 322 on at

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I have a new situation where (on the same screen) the timer gets triggered properly and on another button,
the timer is triggered, "something happens" as I see the dots circulating and the SQL is properly patched (1st paragraph of the code), but the collection is not refreshed (second paragraph of the code that triggers the timer). When I leave the screen and come back, the timer is auto started and the collection is properly refreshed.

It's just too unreliable.

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steve_hendy 385 on at

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In the on visible of a screen I have UpdateContext({TimerReset: true});UpdateContext({TimerReset: false});Reset(Timer1_2);UpdateContext({TimerStart:false});UpdateContext({TimerStart:true})

TimerReset variable is in the Reset field of the timer and TimerStart is in the Start field of the timer.

I only built this today and it works perfectly every time.

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kevinlowe 66 on at

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So I found this thread today when I thought I had the same issue. In my case, I was just being stupid and not playing my app (was just alt-clicking my button, which does nothing to a timer). Doh!

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test222221 46 on at

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@kevinlowe thanks 😅, i've been trying to use timer for like 2 months now but i didn't even try to play my app, now everything is clear why my timer didn't work😅

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MattiasP1 138 on at

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You saved me alot of time. Thanks !

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