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====== IsEmpty(expression) ======
Category:  Logical function

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=====Description=====
This function returns TRUE if the result of //expression// is an empty value.  Otherwise, it returns FALSE.

Text cells with empty contents (e.g. '') will return TRUE as well.

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=====Arguments=====
^Argument^Type^Description^
|expression|Expression|Any expression that could potentially result in an empty value.|
**Return value type:** Boolean (TRUE/FALSE)

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=====Examples=====

  isempty( [FieldA] )  //Returns TRUE if [FieldA] is empty

  isempty( [FieldA] )  //Returns FALSE if [FieldA] holds the value 'Something'


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===== See also =====
  * [[syntax:functions:ifempty|IfEmpty(expression1, expression2)]]
  * [[syntax:functions:isboolean|IsBoolean(expression)]]
  * [[syntax:functions:iserror|IsError(expression)]]
  * [[syntax:functions:isinteger|IsInteger(expression)]]
  * [[syntax:functions:isnumber|IsNumber(expression)]]
  * [[syntax:functions:isnumeric|IsNumeric(expression)]]
  * [[syntax:functions:istext|IsText(expression)]]