How to concatenate and read field value in VBS

Summary:

PS: bear with me as I'm new to this application and JS coding

we have a requirement to change the value of record name based on other fields

• field 1 is a date field
• field 2 is DCL based on account object
• field 3 is an LOV

the requirement is is to create the record name as

field 2 - field 3 - field 1

im trying to utilized the code $fields.fieldname.value but this one is not working

also i have a requirement to format the field 1 to "DD/MM/YYYY"

i tried below code

const date = new Date();


const formatter = new Intl.DateTimeFormat('en-US', { day: '2-digit', month: '2-digit', year: 'numeric' });