# Calling the document class from other object instances

**URL:** <https://forum.kirupa.com/t/calling-the-document-class-from-other-object-instances/271152>\
**Category:** Uncategorized\
**Created:** [September 19, 2008, 4:55am UTC](https://forum.kirupa.com/t/calling-the-document-class-from-other-object-instances/271152 "2008-09-19T04:55:32Z")\
**Posts on this page:** 1\
**Page:** 1

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**Author:** ![rm\_lism](https://avatars.discourse-cdn.com/v4/letter/r/e19adc/32.png) [@rm\_lism](https://forum.kirupa.com/u/rm_lism)\
**Post date:** [September 19, 2008, 4:55am UTC](https://forum.kirupa.com/t/calling-the-document-class-from-other-object-instances/271152/1 "2008-09-19T04:55:32Z")

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I have a Flash CS3 fla with a document class specified. Lots of other classes exist, too, and they’re directly or indirectly spawned from the document class. I can pass “this” as a parameter from the document class to instances I create so that those child objects have a reference to the document class. But it seems to me that I shouldn’t need to do that. That all children must “know” what the document class is.

Is that true? If it is, how to I talk to the document class from other object instances in my project? In other words, what’s the syntax to reference a method in the document class?