[Attribute] Format [Type] character_string [Required] No [Description] 
Specifies the format that the Command attribute for the PreStep, RunStep, or PostStep element should use for the parameter and its value. For this format string, {0} represents the switch name and {1} represents the value that the user specified for the parameter. The default value for this attribute is -{0}:{1}. The maximum length for the format string is 64 characters.