IMPORTANT: No additional bug fixes or documentation updates will be released for this version. For the latest information, see the current release documentation.

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Painless API Reference

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Painless API Reference

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Painless has a strict list of allowed methods and classes per context to ensure all Painless scripts are secure. Most of these methods are exposed directly from the Java Runtime Environment (JRE) while others are part of Elasticsearch or Painless itself. Below is a list of the available APIs per context. The shared API is available to all contexts, while the specialized API available differs between contexts.

Aggregation Selector	Shared API	Specialized API
Aggs	Shared API	Specialized API
Aggs Combine	Shared API	Specialized API
Aggs Init	Shared API	Specialized API
Aggs Map	Shared API	Specialized API
Aggs Reduce	Shared API	Specialized API
Analysis	Shared API	Specialized API
Bucket Aggregation	Shared API	Specialized API
Field	Shared API	Specialized API
Filter	Shared API	Specialized API
Ingest	Shared API	Specialized API
Interval	Shared API	Specialized API
Moving Function	Shared API	Specialized API
Number Sort	Shared API	Specialized API
Painless Test	Shared API	Specialized API
Processor Conditional	Shared API	Specialized API
Score	Shared API	Specialized API
Script Heuristic	Shared API	Specialized API
Similarity	Shared API	Specialized API
Similarity Weight	Shared API	Specialized API
String Sort	Shared API	Specialized API
Template	Shared API	Specialized API
Terms Set	Shared API	Specialized API
Update	Shared API	Specialized API
Watcher Condition	Shared API	Specialized API
Watcher Transform	Shared API	Specialized API
Xpack Template	Shared API	Specialized API

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