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OTTL Skill

Complete reference for the OpenTelemetry Transformation Language.

For full details, see the SKILL.md.

Key Topics

  • Editors: set, delete_key, replace_pattern, merge_maps, flatten
  • Converters: string functions, type conversions, conditionals
  • Contexts: resource, scope, span, spanevent, metric, datapoint, log
  • Where used: transform processor, filter processor, tail sampling, routing connector
  • Production patterns: PII redaction, K8s enrichment, cardinality control