I need some help adding a number to an import URL to prevent caching in Google app scripts, here is my current script:

```
function myFunction() {

  SpreadsheetApp.getActive().getRange('A1').setValue('=importdata("https://examplesite.com/stuff.csv")')
}

```

I want to add a random number at the end of the URL, something like:

```
function myFunction() {

  SpreadsheetApp.getActive().getRange('A1').setValue('=importdata("https://examplesite.com/stuff.csv?75395")')
}

```

I have tried creating a var with a random number generator but it just doesn't seem to want to play ball!

Thanks in advance!