Expressions

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An example of expressions menu in Action Menu

Expressions are a feature of Avatars. They allow you to run various Actions on your avatar.

They can be used mainly through the Action Menu.

Expressions are player customized menus and actions meant to allow flexibility and easy access to avatar features.

You can find more information at Avatar Creators Docs

In Game Menu

The in game Menu expression is accessible through the Action Menu and is usable as well on desktop or in VR. It's made of all the different kind of buttons that the menu can have, and each type of menu will transfer an information to the avatar controllers to execute actions.

Those information are transferred through network to others users so information is synchronized.

Unity

The expressions are edited with the rest of the avatar in the Unity Editor.

Base Expressions

When no expressions are configured, a default expression menu with base animations is added to the avatar.

It contains the following entries :

• Wave
• Clap
• Point
• Cheer
• Dance
• Backflip
• Die
• Sadness

Custom Expressions

To add custom expressions, you need to create a Expression Menu file and a Expression Parameter file, then add them to the VRChat Avatar Descriptor.

The Menu will allow you to create the entries that will translate into in game menus for your avatar.

The parameters are the variables that are controlled by the Menu. You will also define technical information about those variables like if they need to be synchronized for other users.