Difference between revisions of "Exists"

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(Created page with "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== File:exists1.png Write a valu...")
 
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[[File:exists0.png]]
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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
 
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
  
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[[File:exists5.png]]
 
[[File:exists5.png]]
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As there is a value in the databox, the script follows the path that selection the message for TRUE.
  
 
==Example Two==
 
==Example Two==
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[[File:exists6.png]]
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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===
 
===Setup===
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[[File:exists3.png]]
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Exists expression to check for a value
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[[File:messagetrue.png]] [[File:messagefalse.png]]
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Messages for TRUE and FALSE
  
 
===Demonstration===
 
===Demonstration===
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[[File:exists7.png]]
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Select Exists = False to leave '''Examples.Logical''' databox blank.
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[[File:exists8.png]]
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As there is no value in the databox, the script follows the path that selection the message for FALSE.

Revision as of 11:31, 5 September 2019

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

Exists1.png

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

Exists2.png

Company databox with value populated

Exists3.png

Exists expression to check for a value

Messagetrue.png Messagefalse.png

Messages for TRUE and FALSE

Demonstration

Exists4.png

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

Exists6.png

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.