# Perspective view first rendering

**URL:** <https://forum.inductiveautomation.com/t/perspective-view-first-rendering/111668>\
**Category:** Ignition\
**Tags:** ignition81, perspective\
**Created:** [October 23, 2025, 7:27am UTC](https://forum.inductiveautomation.com/t/perspective-view-first-rendering/111668 "2025-10-23T07:27:54Z")\
**Posts on this page:** 1\
**Showing post:** 3

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**Author:** ![Transistor](https://sea1.discourse-cdn.com/inductiveautomation/user_avatar/forum.inductiveautomation.com/transistor/32/3380_2.png) [@Transistor](https://forum.inductiveautomation.com/u/Transistor)\
**Post date:** [October 23, 2025, 1:36pm UTC](https://forum.inductiveautomation.com/t/perspective-view-first-rendering/111668/3 "2025-10-23T13:36:16Z")

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Can you use Expression Language's [coalesce | Ignition User Manual](https://docs.inductiveautomation.com/docs/8.3/appendix/expression-functions/logic/coalesce) function?  
`coalesce({view.params.myOptionalParam}, '')`  
`coalesce({view.params.myOptionalParam}, null)`  
`coalesce({view.params.myOptionalParam}, 0)`

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