action file reference

 Each defined input or output file for an action is specified using the following fields

 field name





unique file identifier. This entry matches the associated file definition entry in the command inputFiles or outputFiles section

 description     string  describes the file contents
 filename  string  the local filesystem relative path and filename of the file
 optional  boolean  specifies if the file may be optionally available. Always false for output files, may be true or false for input files.

NOTE: The action file reference name and optional fields must match those in the command inputFile or outputFile definition.

Figure 1. Amazon EC2 Dashboard
Figure 1. Example 
"description":"copy files",
    "description":"Input file",