...

• Step is an individual node in the scenario process flow
  
  • associated with some form of executable via exec attribute 
• Group is a collection of other groups and steps
  
  • used for grouping related sets of steps
  • used for encapsulation and definition of shared dependencies
• Has a name unique within the scope of a scenario
  
  • namespace can be used to preserve uniqueness for scenario import
  • Specifies other steps or groups it inherently requires
  • Can be marked as optional using if or unless attributes

...

Properties and Environment

• Most attributes support property expansion
  
  • specified as ${property}
  • evaluated using values of environment variables or Java properties
• Pass-through properties for downstream steps
  
  • @key=value included in output one property per line
  • only supported for exec attribute
• Steps and groups can specify env attribute
  
  • value can be a path to a file to be sourced-in
  • value can be “~“ to indicate command exit status should be ignored
• Steps and groups can specify cwd attribute
  • value is directory to be set before execution of the step command

Parallel Chains