# FindLast (Int64)

| **Name**    | ***FindLast***                                                                                                                                                       |
| ----------- | -------------------------------------------------------------------------------------------------------------------------------------------------------------------- |
| Syntax      | FindLast (String lookFor, String lookIn)                                                                                                                             |
| Purpose     | To search the lookIn string for the last occurrence of the string specified.                                                                                         |
| Description | Returns an integer representing the starting position of lookFor, in lookIn. If lookFor was not found in lookIn or either lookFor or lookIn is null, -1 Is returned. |
| Return Type | Int64                                                                                                                                                                |
| Parameters  | <p>lookFor \[System.String] – String to search for</p><p>lookIn \[System.String] – String to search in</p><p>isCaseSensitive \[System.Boolean]</p>                   |

![](https://github.com/astera-software/Astera_Data_Stack_v9/blob/main/.gitbook/assets/0%20\(61\).png)

**Example**

In this example, we are passing the required parameters to the function transformation object using a *Variables* object.

Where,

*lookFor* = a

*lookIn* = ABCDEFGABCDEFG

*isCaseSensitive* = False

![](https://github.com/astera-software/Astera_Data_Stack_v9/blob/main/.gitbook/assets/1%20\(62\).png)

Right-click on the function transformation object and select *Preview Output.* You can see that Astera Data Stack has returned the integer value “7”, indicating that last occurrence of the *lookFor* value was in the integer position, “7”.

![](https://github.com/astera-software/Astera_Data_Stack_v9/blob/main/.gitbook/assets/2%20\(62\).png)