If you intend to store both numbers, use an array: #set($c = [922488346, 928282912]) .
Directives like #set are generally safe, but if the numbers represent IDs or data from an untrusted source, they should be handled with care to prevent injection.
Velocity Template Language (VTL): An Introduction. The Velocity Template Language (VTL) is meant to provide the easiest, simplest, Apache Velocity Apache Velocity Engine VTL Reference #set($c=922488346 928282912)${c}$c
This uses the #set directive to assign a value to the variable $c . However, the syntax 922488346 928282912 is invalid because it lacks an operator (like + or - ) or a comma to separate the values into an array.
In most Apache Velocity Engine versions, this would trigger a ParseErrorException because of the unexpected space between the two numbers. If you intend to store both numbers, use
This is the shorthand notation for the same variable. 🔍 Technical Review & Analysis Logic
This is the formal notation to output the value of $c . It is used to prevent ambiguity with surrounding text. The Velocity Template Language (VTL) is meant to
Verify if these numbers are intended for a specific tool like the Marketo Velocity Scripting engine, where strict syntax rules often apply. Apache Velocity Engine - User Guide