$ yo trails --help

Usage:
  yo trails [options] 

Options:
        --help          # Print the generator's options and usage
        --skip-cache    # Do not remember prompt answers             Default: false
        --skip-install  # Do not automatically install dependencies  Default: false
        --skip-update   # Do not check for generator's updates       Default: false

Generators:

  Create New Api
    yo trails:api <api-name>

  Create New Model
    yo trails:model <model-name>

  Create New Controller
    yo trails:controller <controller-name>

  Create New Policy
    yo trails:policy <policy-name>

  Create New Service
    yo trails:service <service-name>
    
  Install New Trailpacks
    yo trails:trailpack <trailpacks-name> (like yo trails:trailpack trailpack-repl,trailpack-webpack,...)