Checks whether the value in a LAMBDA is missing and returns TRUE or FALSE.  

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Syntax

=ISOMITTED(argument)

The ISOMITTED function syntax has the following arguments:

argument    The value you want to test, such as a LAMBDA parameter.

Examples

Example 1: Check for a missing parameter and return a friendly string

Copy the following formula into cell B1.

=LAMBDA(x,y, IF(ISOMITTED(y),"Missing second argument",x+y))(1,)

ISMISSING function example

See Also

LAMBDA function

MAP function

REDUCE function

SCAN function

MAKEARRAY function

BYCOL function

BYROW function

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