# Dropdown List select change?

**URL:** <https://forum.inductiveautomation.com/t/dropdown-list-select-change/99465>\
**Category:** Ignition\
**Tags:** ignition81, vision\
**Created:** [December 5, 2024, 8:54am UTC](https://forum.inductiveautomation.com/t/dropdown-list-select-change/99465 "2024-12-05T08:54:30Z")\
**Posts on this page:** 3\
**Page:** 1

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**Author:** ![taohongyu88](https://avatars.discourse-cdn.com/v4/letter/t/f05b48/32.png) [@taohongyu88](https://forum.inductiveautomation.com/u/taohongyu88)\
**Post date:** [December 5, 2024, 8:54am UTC](https://forum.inductiveautomation.com/t/dropdown-list-select-change/99465/1 "2024-12-05T08:54:30Z")

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How to get user change the list event?  
When I get script in propertyChange, moveover it ,it also print?

 ![image](https://us1.discourse-cdn.com/inductiveautomation/original/3X/8/f/8f543ef30e93176f34766a4e346de2b5832d9848.png)

 ![image](https://us1.discourse-cdn.com/inductiveautomation/original/3X/4/0/40bb06000443234bbfc85f8be0e5c6ef00b567bc.png)

I want to click and select 's event?

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<div class="post-metadata">

**Author:** ![victordcq](https://avatars.discourse-cdn.com/v4/letter/v/f6c823/32.png) [@victordcq](https://forum.inductiveautomation.com/u/victordcq)\
**Post date:** [December 5, 2024, 9:24am UTC](https://forum.inductiveautomation.com/t/dropdown-list-select-change/99465/2 "2024-12-05T09:24:05Z")

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You **always** need to check **which** property is changed.  
As this triggers on many properties.

```python
if event.propertyName == 'value':

```

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<div class="post-metadata">

**Author:** ![taohongyu88](https://avatars.discourse-cdn.com/v4/letter/t/f05b48/32.png) [@taohongyu88](https://forum.inductiveautomation.com/u/taohongyu88)\
**Post date:** [December 5, 2024, 9:36am UTC](https://forum.inductiveautomation.com/t/dropdown-list-select-change/99465/3 "2024-12-05T09:36:44Z")

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`if event.propertyName == 'selectedValue':`

This is what I want . Thank you!