# Perspective Property Script Change event \`missedEvents\`

**URL:** <https://forum.inductiveautomation.com/t/perspective-property-script-change-event-missedevents/97243>\
**Category:** Ignition\
**Tags:** perspective\
**Created:** [October 15, 2024, 1:13am UTC](https://forum.inductiveautomation.com/t/perspective-property-script-change-event-missedevents/97243 "2024-10-15T01:13:54Z")\
**Posts on this page:** 1\
**Page:** 1

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**Author:** ![nminchin](https://sea1.discourse-cdn.com/inductiveautomation/user_avatar/forum.inductiveautomation.com/nminchin/32/6911_2.png) [@nminchin](https://forum.inductiveautomation.com/u/nminchin)\
**Post date:** [October 15, 2024, 1:13am UTC](https://forum.inductiveautomation.com/t/perspective-property-script-change-event-missedevents/97243/1 "2024-10-15T01:13:54Z")

</div>

> **[Perspective Property Change Scripts | Ignition User Manual](https://www.docs.inductiveautomation.com/docs/8.1/ignition-modules/perspective/scripting-in-perspective/perspective-property-change-scripts#missedevents)**
>
> With Perspective, individual component properties can have a property change script. When a change script is set up on a property, it will run when the property changes its value. Multiple different properties on the same component can each have...

Can there be more detail added to the doco for this arg?  
Are these similar to tag script event and expression queues in that they have limited queue sizes?  
How many queues are there?  
What size are they?  
Is this arg set to True for the next event that makes it into the queue (and then cleared for the next one added)?

![image](https://us1.discourse-cdn.com/inductiveautomation/original/3X/5/a/5a4e5949176d8f1fae406a15ceeec41fa86b7ba7.png)