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ISBOOLEAN
Applies to: 👁 Image
Calculated column 👁 Image
Calculated table 👁 Image
Measure 👁 Image
Visual calculation
Checks whether a value is a logical value, (TRUE or FALSE), and returns TRUE or FALSE.
Syntax
ISBOOLEAN(<value>)
Parameters
| Term | Definition |
|---|---|
value |
The value that you want to test. |
Return value
TRUE if the value is a logical value; FALSE if any value other than TRUE OR FALSE.
Remarks
- This function is not supported for use in DirectQuery mode when used in calculated columns or row-level security (RLS) rules.
- This function is an alias of ISLOGICAL.
Example
The following DAX query shows the behavior of ISBOOLEAN.
EVALUATE
{
IF ( ISBOOLEAN ( TRUE ), "Is Boolean type or Logical", "Is different type" ), // RETURNS: Is Boolean type or Logical
IF ( ISBOOLEAN ( FALSE ), "Is Boolean type or Logical", "Is different type" ), // RETURNS: Is Boolean type or Logical
IF ( ISBOOLEAN ( 42 ), "Is Boolean type or Logical", "Is different type" ) // RETURNS: Is different type
}
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