step Id
Parameters
value
Required. The step id. The id must be unique among all jobs within the template. The step id is used as prefix for job id, as job goog-dataproc-workflow-step-id
label, and in field from other steps. The id must contain only letters (a-z, A-Z), numbers (0-9), underscores (_), and hyphens (-). Cannot begin or end with underscore or hyphen. Must consist of between 3 and 50 characters.