$multiply
Reference group: Arithmetic expressions
What it does
Multiplies numeric values.
Syntax
{$multiply: [expr, ...]}
Use case
Line totals and weighted metrics.
$multiply: practical example
{ $project: { lineTotal: { $multiply: ["$unitPrice", "$quantity"] } } }💡 Explanation
Multiplies numeric values.
When to use it
Line totals and weighted metrics.
Key Takeaways
- Multiplies numeric values.
- Typical use: Line totals and weighted metrics.