Checks whether a value is a logical value (TRUE or FALSE), and returns TRUE or FALSE.
| Name | Type | Description |
| arg1 | any | Is the value you want to test. Value can refer to a cell, a formula, or a name that refers to a cell, formula, or value. |
builder.CreateFile("xlsx");
const oWorksheet = Api.GetActiveSheet();
oWorksheet.GetRange("B3").SetValue("66");
var oFunction = Api.GetWorksheetFunction();
var result = oFunction.ISLOGICAL(oWorksheet.GetRange("B3"));
oWorksheet.GetRange("C3").SetValue(result);
builder.SaveFile("xlsx", "ISLOGICAL.xlsx");
builder.CloseFile();