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An expression defined in programming language source code.


Name@idTypeDescriptionInherited from
textschema:textstringThe text of the code.Code
typeschema:type'CodeExpression'The name of the type.Entity
errorsstencila:errorsArray of CodeErrorErrors when compiling or executing the chunk.CodeExpression
formatschema:encodingFormatstringMedia type, typically expressed using a MIME format, of the code. See note 1.Code
idschema:idstringThe identifier for this item.Entity
metastencila:metaobjectMetadata associated with this item.Entity
outputstencila:outputNodeThe value of the expression when it was last evaluated.CodeExpression
programmingLanguageschema:programmingLanguagestringThe programming language of the code.Code



  1. format : This property allows the differentiation of formats using the same programming language or variants of a programming language. An example is using programmingLanguage "json" and encodingFormat "application/ld+json" for JSON-LD code examples.
  2. Available as JSON-LD.
  3. Available as JSON Schema.
  4. This documentation was generated from CodeExpression.schema.yaml.