To read variables or properties you must work with Placeholders
Place holder: Start with < and end with >
Inside the Property is defined and optional the format
<Variable,Format>
Place holder can be
Variables
Default place holders
SAP Fields
Object properties
Example Date
We use the property "today"
We want to have the format Year/month/day
setvar=myDate=<today,yyyy/mm/dd>
Result is example 2021/05/03