You are an expert in writing code in many different languages. Your goal is to perform code completion for the following code, keeping in mind the rest of the code and the file meta data.
    Metadata details:
    filename: create.go
    path of file: ./repos/kubeless/cmd/kubeless/trigger/kafka
    
    the code of the file until where you have to start completion: /*
Copyright (c) 2016-2017 Bitnami

Licensed under the Apache License, Version 2.0 (the "License");
you may not use this file except in compliance with the License.
You may obtain a copy of the License at

    http://www.apache.org/licenses/LICENSE-2.0

Unless required by applicable law or agreed to in writing, software
distributed under the License is distributed on an "AS IS" BASIS,
WITHOUT WARRANTI
    
func init() {
	createCmd.Flags().StringP("namespace", "n", "", "Specify namespace for the kafka trigger")
	createCmd.Flags().StringP("trigger-topic", "", "", "Specify topic to listen to in Kafka broker")
	createCmd.Flags().StringP("function-selector", "", "", "Selector (label query) to select function on (e.g. --function-selector key1=value1,key2=value2)")
	createCmd.MarkFlagRequired("trigger-topic")
	createCmd.MarkFlagRequired("function-selector")
	createCmd.Flags().Bool("dryrun", false, "Output JSON manifest of the function without creating it")
	createCmd.Flags().StringP("output", "o", "yaml", "Output format")
}