code: func (e *Runner) SetDataInitializer(builder func(cmd *cobra.Command, args []string) (RunData, error)) {
  	e.runDataInitializer = builder
  }
docs: // SetDataInitializer allows to setup a function that initialize the runtime data shared
  // among all the phases included in the workflow.
  // The method will receive in input the cmd that triggers the Runner (only if the runner is BindToCommand)