Spring Expression Language (SpEL)

External

• https://docs.spring.io/spring-framework/docs/current/reference/html/core.html#expressions

Internal

• Spring Framework
• Spinnaker Pipeline SpEL Expressions

Overview

The Spring Expression Language (SpEL) is an expression language that supports querying and manipulating an object graph at runtime. The language syntax is similar to Unified EL but offers additional features, most notably method invocation and basic string templating functionality.