package cmd type BuildCmd struct { Args struct { Namespace string `required:"yes" positional-arg-name:"namespace"` } `positional-args:"yes"` } // NewBuildCmd ... func NewBuildCmd() *BuildCmd { cmd := BuildCmd{} return &cmd } // Execute ... func (cmd *BuildCmd) Execute([]string) error { Logger.Info().Str("namespace", cmd.Args.Namespace).Msg("Welcome buddy") return nil } func init() { buildCmd := NewBuildCmd() _, err := parser.AddCommand("build", "Build new environment", "", buildCmd) if err != nil { Logger.Fatal().Msg(err.Error()) } }