# Can we set optional parameter for a function?

**URL:** <https://forum.kirupa.com/t/can-we-set-optional-parameter-for-a-function/155413>\
**Category:** Uncategorized\
**Created:** [July 17, 2005, 1:57pm UTC](https://forum.kirupa.com/t/can-we-set-optional-parameter-for-a-function/155413 "2005-07-17T13:57:46Z")\
**Posts on this page:** 1\
**Page:** 1

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**Author:** ![icube](https://avatars.discourse-cdn.com/v4/letter/i/f19dbf/32.png) [@icube](https://forum.kirupa.com/u/icube)\
**Post date:** [July 17, 2005, 1:57pm UTC](https://forum.kirupa.com/t/can-we-set-optional-parameter-for-a-function/155413/1 "2005-07-17T13:57:46Z")

</div>

lets say i define a function…

function myFunc(para1, para2, para3){  
blah… blah…  
}

but i want para3 to be an optional parameter… can i do it…?

example…i will either use myFunc(var1, var2); or myFunc(var1, var2, var3); when calling myFunc function…