$$NOW
Reference group: Utility expressions and variables
What it does
Current datetime value consistent throughout a pipeline.
Syntax
$$NOW
Use case
Timestamp computed output.
$$NOW: practical example
{ $set: { calculatedAt: "$$NOW" } }💡 Explanation
Current datetime value consistent throughout a pipeline.
When to use it
Timestamp computed output.
Key Takeaways
- Current datetime value consistent throughout a pipeline.
- Typical use: Timestamp computed output.