Unity - Scripting API:

public function SetBool(name: string, value: bool): void;

Parameters

name	The name of the parameter.
value	The new value for the parameter.

Sets the value of a bool parameter.

public function SetBool(id: int, value: bool): void;

id	The id of the parameter. The id is generated using Animator::StringToHash.
value	The new value for the parameter.

Sets the value of a bool parameter.