Exists

Checks if a value exists in a databox. True is returned if there is a value. False is returned if the value is empty/blank

Example One

Write a value into Examples.Logical. Then databox read of the expression Examples.Logical.Exist If a value exists then display a message to say it's true.

Setup

Company databox with value populated

Exists expression to check for a value

Messages for TRUE and FALSE

Demonstration

Select Exists = True to populate a value into the Examples.Logical databox.

As there is a value in the databox, the script follows the path that selection the message for TRUE.

Example Two

Don't write anything into Examples.Logical then databox read of the expression Examples.Logical.Exist If no value exists then display a message to say it's false.

Setup

Exists expression to check for a value

Messages for TRUE and FALSE

Demonstration

Select Exists = False to leave Examples.Logical databox blank.

As there is no value in the databox, the script follows the path that selection the message for FALSE.