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--- syntax:functions:isboolean [2015/04/03 18:57] – elenap
+++ syntax:functions:isboolean [2021/08/16 04:47] (current) – craigt
@@ Line 1: / Line 1: @@
 ====== IsBoolean(expression) ======
+Category:  Logical function
-Returns TRUE if result of //expression// is boolean (i.e. either true or false). Otherwise returns FALSE.
+\\
+=====Description=====
+This function returns TRUE if the result of //expression// is a Boolean (either TRUE or FALSE).  Otherwise, it returns FALSE.
+\\
+=====Arguments=====
+^Argument^Type^Description^
+|expression|Expression|Any expression that could potentially result a Boolean value.|
+**Return value type:** Boolean (TRUE/FALSE)
+\\
+=====Examples=====
+  isboolean( [FieldA] = 200 )  //Returns TRUE if [FieldA] is 200
+  isboolean( [FieldA] - 199 )  //Returns FALSE (Expression is a calculation.  The result would be a numeric value.)
+\\
+===== See also =====
+  * [[syntax:functions:isempty|IsEmpty(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)]]
-^  Example  ^  FieldA  ^  Result  ^
-| IsBoolean( [FieldA] = 200 )  |  200  |  TRUE  |
-| IsBoolean( [FieldA] - 199 )  |  200  |  FALSE   |