Not

This Node processes boolean signals, i.e., the values true and false. Such boolean values are generated e.g., by a Compare Node or can also be sent directly to an asset group as a user data option.
The Not Node simply reverses a boolean value. So true becomes false, or false becomes true.
Boolean values can then be combined with a If Node, for example, to process different values. In addition, a Boolean Operator Node is also available to compare or combine boolean values.