Syntax help to reference data from let statement

Hi, I need help trying to use data in a different part of the code. i want to use data from a database and have the following code:

$w(“#table1”).onRowSelect( (event, $w) => {
let rowData = event.getrowData;
} );

How do i actually then reference the ‘rowData’ to use elsewhere on the page? I know its probably really simply but i just cant get it to work.

Thanks in advance