# IsNull (AnyValue)

| **Name**    | ***Is Null (Any Value)***                                                                                   |
| ----------- | ----------------------------------------------------------------------------------------------------------- |
| Syntax      | IsNull (Any Value)                                                                                          |
| Purpose     | To check whether a given value is null.                                                                     |
| Description | Returns true if the specified parameter represents a null value. This function accepts values of all types. |
| Return Type | Boolean                                                                                                     |
| Parameters  | val \[System.Object] – Expression that will be checked                                                      |

![](https://github.com/astera-software/Astera_Data_Stack_v9/blob/main/.gitbook/assets/0%20\(170\).png)

**Example**

In this example, we will pass a NOT null value to the function transformation object using a *Variables* object.

Where,

*val* = ABCDEFG

![](https://github.com/astera-software/Astera_Data_Stack_v9/blob/main/.gitbook/assets/1%20\(170\).png)

In the output, you can see that the Boolean value, False, has been returned. This means the provided value is NOT null. There is data present in the *Input* field.

![](https://github.com/astera-software/Astera_Data_Stack_v9/blob/main/.gitbook/assets/2%20\(171\).png)