# Long time to execute expression

**URL:** <https://forum.inductiveautomation.com/t/long-time-to-execute-expression/94046>\
**Category:** Ignition\
**Tags:** perspective\
**Created:** [August 1, 2024, 2:42pm UTC](https://forum.inductiveautomation.com/t/long-time-to-execute-expression/94046 "2024-08-01T14:42:45Z")\
**Posts on this page:** 1\
**Showing post:** 4

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**Author:** ![pturmel](https://sea1.discourse-cdn.com/inductiveautomation/user_avatar/forum.inductiveautomation.com/pturmel/32/3295_2.png) [@pturmel](https://forum.inductiveautomation.com/u/pturmel)\
**Post date:** [August 1, 2024, 3:02pm UTC](https://forum.inductiveautomation.com/t/long-time-to-execute-expression/94046/4 "2024-08-01T15:02:58Z")

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You already asked this question over here:

> [@Value of property before binding is executed in perspective](https://forum.inductiveautomation.com/t/value-of-property-before-binding-is-executed-in-perspective/93977):
>
> Hi, I'm trying to set a default value for a property before the binding is executed in Perspective. Here's the situation: I have a button whose text is bound to a custom property called "datetime" The "datetime" value is only available after 500 ms, which is the time it takes for the binding expression to evaluate in the view. During the initial 0-500 ms period, the button displays the text "button," which is not what I want. I would prefer it to show something like "loading" until the actua…

Repeat posts are against [this forum's rules](https://forum.inductiveautomation.com/faq) (see the "keep it tidy" section). Continue the discussion over there.

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