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Description
Returns the first non-empty string from an array of values.
Arguments
1.Coalesce - Name of the Macro.
2.Value1 - Value to test for a non-empty string.
3.ValueN - (Optional) Value to test for a non-empty string.
4.Default Value - An optional default value which, if no Value is returned in step 2, will become the value.
Examples
<Coalesce|<Parameter|TestA>|<Parameter|TestB>|<Parameter|TestC>|Hello>
Returns the first value in the list that is not blank or null and if no value is detected the word Hello.
<Coalesce|<Parameter|TestA>|<Parameter|TestB>|<Parameter|TestC>>
Returns the first value in the list that is not blank or null.
Notes
Useful when you absolutely must have a string value but one or more source values may be empty.
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