// UnmarshalYAML - to support prefix field yaml unmarshalling with string or slice of strings
func (b *BatchJobPrefix) UnmarshalYAML(value *yaml.Node) error {
	// try slice first
	tmpSlice := []string{}
	if err := value.Decode(&tmpSlice); err == nil {
		*b = tmpSlice
		return nil
	}
	// try string
	tmpStr := ""
	if err := value.Decode(&tmpStr); err == nil {
		*b = []string{tmpStr}
		return nil
	}