This function checks the prompt field for whether the user entered a value for the prompt or not. This is simply determined by checking whether the prompt field has a value set for it AND whether it is more than just an empty string. Note that any parameter type is allowed, not just a prompt field - the function will simply check the parameter for whether it is not null and not an empty string.
HasValue( promptfield )
| promptfield | prompt field to check whether it has a value (also allowed to be any other value or field if you want to check them for whether they are null and not empty) |
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True, if promptfield is not null AND not an empty string.
HasValue ({?myprompt}) // Returns True if the prompt's value was set, False otherwise
HasValue ("") // Returns False.
HasValue (null) // Returns False
HasValue (1) // Returns True.
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