Set the expression of a character. The character emotes that expression until the action is started again with "neutral" or null as the second argument. The possible expressions include: Neutral, Happy, Sad, Angry, Disgusted, Scared, Surprised, and Asleep
| Argument | Character Name | 
|---|---|
| Type | Character | 
| Default | REQUIRED | 
| Description | Name of the character to emote | 
| Argument | Expression Name | 
| Type | neutral, happy, sad, angry, disgusted, scared, surprised, or asleep | 
| Default | neutral | 
| Description | The expression of the character | 
SetExpression(Tom)
SetExpression(Tom, happy)