Exists

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Exists0.png

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

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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

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Company databox with value populated

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Exists expression to check for a value

Messagetrue.png Messagefalse.png

Messages for TRUE and FALSE

Demonstration

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

Exists5.png

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

Example Two

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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

Exists3.png

Exists expression to check for a value

Messagetrue.png Messagefalse.png

Messages for TRUE and FALSE

Demonstration

Exists7.png

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

Exists8.png

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