# Passing a variable by reference?

**URL:** <https://forum.kirupa.com/t/passing-a-variable-by-reference/199101>\
**Category:** flash\
**Created:** [August 31, 2006, 3:02am UTC](https://forum.kirupa.com/t/passing-a-variable-by-reference/199101 "2006-08-31T03:02:53Z")\
**Posts on this page:** 1\
**Page:** 1

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**Author:** ![Sirisian](https://avatars.discourse-cdn.com/v4/letter/s/439d5e/32.png) [@Sirisian](https://forum.kirupa.com/u/Sirisian)\
**Post date:** [August 31, 2006, 3:02am UTC](https://forum.kirupa.com/t/passing-a-variable-by-reference/199101/1 "2006-08-31T03:02:53Z")

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function foo(bar:Number){  
bar = 5;  
}

simple example. How do I pass bar by reference to change it’s value in the function.

well at least in C++ it’s called passing a variable by reference.