How can I change a Mixer filter in real-time? (11.5)

Hi all,
I'm currently coding (or trying to code) an interactive soundboard that users can play with in their software. They can turn inputs on and off, increase the volume, change the EQ, etc. The nice is, and I was really pleased to discover this, Director already has a feature called an 'Audio Mixer' that has filters to satisfy all these functionalities! The bad thing, I can't figure out how to change these filters in real time.
For example, here's the code to MUTE a specific mixer (activated when the user toggles a button):
member("channelOneMix").mute()
But how do I tell it go INTO that mixer, find the existing High Pass Filter, and change the value of that High Pass Filter's 'highCutOffFreq' property? It's a classic case of knowing exactly what I need to tell the code to do, but I have no idea of the SYNTAX of actually telling it to do that.
I hate to be 'that guy', but it is somewhat urgent. This is for a college assignment due Wednesday (yikes!). I didn't quite know what I was getting myself into with this code, but the end is in sight if I can figure out how to write this particular code.
Many gratuitous thanks in advance for any assistance!
PS: It won't be enough to simply add a new filter to the list. The user needs to be able to turn a dial up or down to increase or decrease the High Pass Filter, in conjunction with several other dials manipulating other filters. I need to be able to actually change what the filter's value is.

Thanks for your help!
The problem is that I think that I changed the "default" name for the state where the photos were taken. I have 50 differents locations, that are all correct, and photo per photo, I can modify the original location, but only at "local" level.
How can I change the name displayed in State section as "Casa David i Mireia" for "Catalunya" that is the real name for the State where the photos where taken?
I don't if this post is comprehensive. I'm not sure.
Thanks for your time!
Jordi

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How can I change a Mixer filter in real-time? (11.5)

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