code: func GoifyAtt(att *design.AttributeDefinition, name string, firstUpper bool) string {
  	if tname, ok := att.Metadata["struct:field:name"]; ok {
  		if len(tname) > 0 {
  			name = tname[0]
  		}
  	}
  	return Goify(name, firstUpper)
  }
docs: // GoifyAtt honors any struct:field:name metadata set on the attribute and calls Goify with the tag
  // value if present or the given name otherwise.