$literal
Reference group: Utility expressions and variables
What it does
Treats a value literally rather than interpreting a leading $ as a field path.
Syntax
{$literal: value}
Use case
Output strings that resemble field references.
$literal: practical example
{ $project: { literalText: { $literal: "$notAField" } } }💡 Explanation
Treats a value literally rather than interpreting a leading
$ as a field path.
When to use it
Output strings that resemble field references.Key Takeaways
- Treats a value literally rather than interpreting a leading
$as a field path. - Typical use: Output strings that resemble field references.