# Default Parameter Values - Can't instantiate classes as defaults

**URL:** <https://forum.kirupa.com/t/default-parameter-values-cant-instantiate-classes-as-defaults/242632>\
**Category:** flash\
**Created:** [October 28, 2007, 9:17pm UTC](https://forum.kirupa.com/t/default-parameter-values-cant-instantiate-classes-as-defaults/242632 "2007-10-28T21:17:15Z")\
**Posts on this page:** 1\
**Page:** 1

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**Author:** ![flashead](https://avatars.discourse-cdn.com/v4/letter/f/46a35a/32.png) [@flashead](https://forum.kirupa.com/u/flashead)\
**Post date:** [October 28, 2007, 9:17pm UTC](https://forum.kirupa.com/t/default-parameter-values-cant-instantiate-classes-as-defaults/242632/1 "2007-10-28T21:17:15Z")

</div>

What’s the proper way to go about doing something like this?:

```auto
public function RangeSelector( pStart:Date = new Date() ):void

```

I’m not sure how to set up my function so that it accepts a Date, but to default to a Date if none is passed.

Thanks in advance for any help!  
k.