code: func (e EventBuilder) Name() string {
  	strs := make([]string, len(e.fields))
  	for i, field := range e.fields {
  		strs[i] = field.value
  	}
  
  	return strings.Join(strs, "")
  }
docs: // Name returns name of the event, formed by a concatenation of all the
  // event fields.