The not function reverses the value of its boolean argument.

Syntax ​

not( Expression )

Arguments ​

• Expression: A boolean expression to be reversed.

Results ​

Returns the reversed logical value of its boolean argument.

If the argument is null, or cannot be converted to bool (using the tobool function), returns null.

Examples ​

These examples return false:

print not( true )

print not( "true" )

print not( 1 )

print not( 100 )

These examples return true:

print not( false )

print not( "false" )

print not( 0 )

These examples return null:

print not( "abc" )

print not( null )