Define an expression that will be evaluated and used to modify the
behavior of a tool or workflow. See Expressions for more
information about expressions and ExpressionEngineRequirement for
information on how to define a expression engine.
Arguments
Fields
engine
(JsonPointerORcharacter) Either cwl:JsonPointer or a
reference to an ExpressionEngineRequirement defining which engine
to use.
script
(character) The code to be executed by the expression
engine.