otel_ottl - OTTL Reference for OpenTelemetry Collector
OTTL syntax, patterns, functions for Collector processors
Tags
Updated: 2026-05-09Capabilities
Typical Inputs
Typical Outputs
What this skill does
- set attributes
- redact sensitive data
- drop telemetry
- filter signals
- normalize attributes
- limit attributes
- enrich telemetry
- route signals
- parse JSON
- parse CSV
- parse key-value
- hash values
- convert types
- replace patterns
- truncate strings
- concatenate strings
- split strings
- substring strings
- merge maps
- flatten maps
Inputs
- telemetry signals
- OTTL expressions
- processor configuration
- attribute patterns
Outputs
- transformed telemetry signals
- filtered telemetry signals
- routed telemetry signals
- processor statements
Requirements
- OpenTelemetry Collector
- transform processor
- filter processor