ISOMITTED function
Summary
Checks whether the value in a LAMBDA is missing and returns TRUE or FALSE
Syntax
ISOMITTED(argument)
The ISOMITTED function syntax has the following arguments:
argument The value you want to test, such as a LAMBDA parameter.
argument The value you want to test, such as a LAMBDA parameter.
Example
=LAMBDA(x,y, IF(ISOMITTED(y),"Missing second argument",x+y))(1,)