A documentation string for this object, or an array of strings which should be concatenated.
Only valid when type: File or is an array of items: File.
The unique identifier for this object.
A short, human-readable label of this object.
Only valid when type: File or is an array of items: File.
Only valid when type: File or is an array of items: File.
Specify valid types of data that may be assigned to this parameter. Note that this field just acts as a hint, as the outputs of an ExpressionTool process are always considered valid.