IsNull

checks to see if a value is null see about null values docid\ cdcowtymtdsshk9kupklw for more information about null values syntax isnull(value) enabled for for a description of the business object categories, see notes on "enabled for" docid\ u26v9fecfs6ilwa0 pvjd business object category yes/no business rules before save rules yes business rules calculation rules (after save, with or without also recalculate on load) yes business rules calculation rules (before save or always, without also recalculate on load) yes business rules calculation rules (before save or always, with recalculate on load) yes business rules editing rules yes business rules initialization rules yes business rules read only rules yes business rules required rules yes business rules validation rules yes client expressions yes object permissions yes services yes ldap yes mobile yes quick actions (except ui quick actions) yes ui quick actions yes reports yes search/dashboard without field references yes search/dashboard with field references yes parameter parameter description value the input to evaluate return value boolean value returns true if the value parameter is null; otherwise, returns false examples isnull("this is a test") in the above example, the application returns false, because the input parameter is not null isnull(null) in the above example, the application returns true, because the input parameter is null