stepInParam: stepInParam
In Rcwl: An R interface to the Common Workflow Language

The input parameter of a workflow step. More details: https://www.commonwl.org/v1.0/Workflow.html#WorkflowStepInput

stepInParam(
  id,
  source = character(),
  linkMerge = character(),
  default = character(),
  valueFrom = character()
)

`id`	A unique identifier for this workflow input parameter.
`source`	Specifies one or more workflow parameters that will provide input to the underlying step parameter.
`linkMerge`	The method to use to merge multiple inbound links into a single array.
`default`	The default value for this parameter to use if either there is no source field, or the value produced by the source is null.
`valueFrom`	value from string or expression.