diff --git a/bfcodegen/_test_example.tgz b/bfcodegen/_test_example_1.tgz
similarity index 100%
rename from bfcodegen/_test_example.tgz
rename to bfcodegen/_test_example_1.tgz
diff --git a/bfcodegen/_test_example_2.tgz b/bfcodegen/_test_example_2.tgz
new file mode 100644
index 0000000..6db88e8
Binary files /dev/null and b/bfcodegen/_test_example_2.tgz differ
diff --git a/bfcodegen/csid-generate_test.go b/bfcodegen/csid-generate_test.go
index 8f7c665..64db2d6 100644
--- a/bfcodegen/csid-generate_test.go
+++ b/bfcodegen/csid-generate_test.go
@@ -12,8 +12,8 @@ import (
 	"time"
 )
 
-//go:embed _test_example.tgz
-var CSIDExampleModels []byte
+//go:embed _test_example_1.tgz
+var CSIDExampleModels1 []byte
 
 func TestGenerateCSIDSpecs(t *testing.T) {
 
@@ -21,7 +21,7 @@ func TestGenerateCSIDSpecs(t *testing.T) {
 
 	tmpDir := filepath.Join(t.TempDir(), langext.MustHexUUID())
 
-	err := os.WriteFile(tmpFile, CSIDExampleModels, 0o777)
+	err := os.WriteFile(tmpFile, CSIDExampleModels1, 0o777)
 	tst.AssertNoErr(t, err)
 
 	t.Cleanup(func() { _ = os.Remove(tmpFile) })
diff --git a/bfcodegen/enum-generate.go b/bfcodegen/enum-generate.go
index b122cb8..24221c3 100644
--- a/bfcodegen/enum-generate.go
+++ b/bfcodegen/enum-generate.go
@@ -3,6 +3,7 @@ package bfcodegen
 import (
 	"bytes"
 	_ "embed"
+	"encoding/json"
 	"errors"
 	"fmt"
 	"go/format"
@@ -14,6 +15,7 @@ import (
 	"os"
 	"path"
 	"path/filepath"
+	"reflect"
 	"regexp"
 	"strings"
 	"text/template"
@@ -23,6 +25,8 @@ type EnumDefVal struct {
 	VarName     string
 	Value       string
 	Description *string
+	Data        *map[string]any
+	RawComment  *string
 }
 
 type EnumDef struct {
@@ -37,7 +41,7 @@ var rexEnumPackage = rext.W(regexp.MustCompile(`^package\s+(?P<name>[A-Za-z0-9_]
 
 var rexEnumDef = rext.W(regexp.MustCompile(`^\s*type\s+(?P<name>[A-Za-z0-9_]+)\s+(?P<type>[A-Za-z0-9_]+)\s*//\s*(@enum:type).*$`))
 
-var rexEnumValueDef = rext.W(regexp.MustCompile(`^\s*(?P<name>[A-Za-z0-9_]+)\s+(?P<type>[A-Za-z0-9_]+)\s*=\s*(?P<value>("[A-Za-z0-9_:\s\-.]+"|[0-9]+))\s*(//(?P<descr>.*))?.*$`))
+var rexEnumValueDef = rext.W(regexp.MustCompile(`^\s*(?P<name>[A-Za-z0-9_]+)\s+(?P<type>[A-Za-z0-9_]+)\s*=\s*(?P<value>("[A-Za-z0-9_:\s\-.]+"|[0-9]+))\s*(//(?P<comm>.*))?.*$`))
 
 var rexEnumChecksumConst = rext.W(regexp.MustCompile(`const ChecksumEnumGenerator = "(?P<cs>[A-Za-z0-9_]*)"`))
 
@@ -46,11 +50,6 @@ var templateEnumGenerateText string
 
 func GenerateEnumSpecs(sourceDir string, destFile string) error {
 
-	files, err := os.ReadDir(sourceDir)
-	if err != nil {
-		return err
-	}
-
 	oldChecksum := "N/A"
 	if _, err := os.Stat(destFile); !os.IsNotExist(err) {
 		content, err := os.ReadFile(destFile)
@@ -62,6 +61,26 @@ func GenerateEnumSpecs(sourceDir string, destFile string) error {
 		}
 	}
 
+	gocode, _, err := _generateEnumSpecs(sourceDir, oldChecksum, destFile, true)
+	if err != nil {
+		return err
+	}
+
+	err = os.WriteFile(destFile, []byte(gocode), 0o755)
+	if err != nil {
+		return err
+	}
+
+	return nil
+}
+
+func _generateEnumSpecs(sourceDir string, destFile string, oldChecksum string, gofmt bool) (string, string, error) {
+
+	files, err := os.ReadDir(sourceDir)
+	if err != nil {
+		return "", "", err
+	}
+
 	files = langext.ArrFilter(files, func(v os.DirEntry) bool { return v.Name() != path.Base(destFile) })
 	files = langext.ArrFilter(files, func(v os.DirEntry) bool { return strings.HasSuffix(v.Name(), ".go") })
 	files = langext.ArrFilter(files, func(v os.DirEntry) bool { return !strings.HasSuffix(v.Name(), "_gen.go") })
@@ -71,7 +90,7 @@ func GenerateEnumSpecs(sourceDir string, destFile string) error {
 	for _, f := range files {
 		content, err := os.ReadFile(path.Join(sourceDir, f.Name()))
 		if err != nil {
-			return err
+			return "", "", err
 		}
 		newChecksumStr += "\n" + f.Name() + "\t" + cryptext.BytesSha256(content)
 	}
@@ -82,7 +101,7 @@ func GenerateEnumSpecs(sourceDir string, destFile string) error {
 		fmt.Printf("[EnumGenerate] Checksum has changed ( %s -> %s ), will generate new file\n\n", oldChecksum, newChecksum)
 	} else {
 		fmt.Printf("[EnumGenerate] Checksum unchanged ( %s ), nothing to do\n", oldChecksum)
-		return nil
+		return "", oldChecksum, nil
 	}
 
 	allEnums := make([]EnumDef, 0)
@@ -93,7 +112,7 @@ func GenerateEnumSpecs(sourceDir string, destFile string) error {
 		fmt.Printf("========= %s =========\n\n", f.Name())
 		fileEnums, pn, err := processEnumFile(sourceDir, path.Join(sourceDir, f.Name()))
 		if err != nil {
-			return err
+			return "", "", err
 		}
 
 		fmt.Printf("\n")
@@ -106,20 +125,21 @@ func GenerateEnumSpecs(sourceDir string, destFile string) error {
 	}
 
 	if pkgname == "" {
-		return errors.New("no package name found in any file")
+		return "", "", errors.New("no package name found in any file")
 	}
 
-	fdata, err := format.Source([]byte(fmtEnumOutput(newChecksum, allEnums, pkgname)))
+	rdata := fmtEnumOutput(newChecksum, allEnums, pkgname)
+
+	if !gofmt {
+		return rdata, newChecksum, nil
+	}
+
+	fdata, err := format.Source([]byte(rdata))
 	if err != nil {
-		return err
+		return "", "", err
 	}
 
-	err = os.WriteFile(destFile, fdata, 0o755)
-	if err != nil {
-		return err
-	}
-
-	return nil
+	return string(fdata), newChecksum, nil
 }
 
 func processEnumFile(basedir string, fn string) ([]EnumDef, string, error) {
@@ -171,10 +191,34 @@ func processEnumFile(basedir string, fn string) ([]EnumDef, string, error) {
 
 		if match, ok := rexEnumValueDef.MatchFirst(line); ok {
 			typename := match.GroupByName("type").Value()
+
+			comment := match.GroupByNameOrEmpty("comm").ValueOrNil()
+			var descr *string = nil
+			var data *map[string]any = nil
+			if comment != nil {
+				comment = langext.Ptr(strings.TrimSpace(*comment))
+				if strings.HasPrefix(*comment, "{") {
+					if v, ok := tryParseDataComment(*comment); ok {
+						data = &v
+						if anyDataDescr, ok := v["description"]; ok {
+							if dataDescr, ok := anyDataDescr.(string); ok {
+								descr = &dataDescr
+							}
+						}
+					} else {
+						descr = comment
+					}
+				} else {
+					descr = comment
+				}
+			}
+
 			def := EnumDefVal{
 				VarName:     match.GroupByName("name").Value(),
 				Value:       match.GroupByName("value").Value(),
-				Description: match.GroupByNameOrEmpty("descr").ValueOrNil(),
+				RawComment:  comment,
+				Description: descr,
+				Data:        data,
 			}
 
 			found := false
@@ -199,6 +243,41 @@ func processEnumFile(basedir string, fn string) ([]EnumDef, string, error) {
 	return enums, pkgname, nil
 }
 
+func tryParseDataComment(s string) (map[string]any, bool) {
+
+	r := make(map[string]any)
+
+	err := json.Unmarshal([]byte(s), &r)
+	if err != nil {
+		return nil, false
+	}
+
+	for _, v := range r {
+
+		rv := reflect.ValueOf(v)
+
+		if rv.Kind() == reflect.Ptr && rv.IsNil() {
+			continue
+		}
+		if rv.Kind() == reflect.Bool {
+			continue
+		}
+		if rv.Kind() == reflect.String {
+			continue
+		}
+		if rv.Kind() == reflect.Int64 {
+			continue
+		}
+		if rv.Kind() == reflect.Float64 {
+			continue
+		}
+
+		return nil, false
+	}
+
+	return r, true
+}
+
 func fmtEnumOutput(cs string, enums []EnumDef, pkgname string) string {
 
 	templ := template.New("enum-generate")
@@ -211,6 +290,47 @@ func fmtEnumOutput(cs string, enums []EnumDef, pkgname string) string {
 		"hasDescr": func(v EnumDef) bool {
 			return langext.ArrAll(v.Values, func(val EnumDefVal) bool { return val.Description != nil })
 		},
+		"hasData": func(v EnumDef) bool {
+			return len(v.Values) > 0 && langext.ArrAll(v.Values, func(val EnumDefVal) bool { return val.Data != nil })
+		},
+		"gostr": func(v any) string {
+			return fmt.Sprintf("%#+v", v)
+		},
+		"goobj": func(name string, v any) string {
+			return fmt.Sprintf("%#+v", v)
+		},
+		"godatakey": func(v string) string {
+			return strings.ToUpper(v[0:1]) + v[1:]
+		},
+		"godatavalue": func(v any) string {
+			return fmt.Sprintf("%#+v", v)
+		},
+		"godatatype": func(v any) string {
+			return fmt.Sprintf("%T", v)
+		},
+		"mapindex": func(v map[string]any, k string) any {
+			return v[k]
+		},
+		"generalDataKeys": func(v EnumDef) map[string]string {
+			r0 := make(map[string]int)
+
+			for _, eval := range v.Values {
+				for k := range *eval.Data {
+					if ctr, ok := r0[k]; ok {
+						r0[k] = ctr + 1
+					} else {
+						r0[k] = 1
+					}
+				}
+			}
+
+			r1 := langext.MapToArr(r0)
+			r2 := langext.ArrFilter(r1, func(p langext.MapEntry[string, int]) bool { return p.Value == len(v.Values) })
+			r3 := langext.ArrMap(r2, func(p langext.MapEntry[string, int]) string { return p.Key })
+			r4 := langext.ArrToKVMap(r3, func(p string) string { return p }, func(p string) string { return fmt.Sprintf("%T", (*v.Values[0].Data)[p]) })
+
+			return r4
+		},
 	})
 
 	templ = template.Must(templ.Parse(templateEnumGenerateText))
diff --git a/bfcodegen/enum-generate.template b/bfcodegen/enum-generate.template
index 220910c..43a30be 100644
--- a/bfcodegen/enum-generate.template
+++ b/bfcodegen/enum-generate.template
@@ -11,21 +11,38 @@ const ChecksumEnumGenerator = "{{.Checksum}}" // GoExtVersion: {{.GoextVersion}}
 
 {{ $hasStr   := ( . | hasStr   ) }}
 {{ $hasDescr := ( . | hasDescr ) }}
+{{ $hasData  := ( . | hasData  ) }}
 
 // ================================ {{.EnumTypeName}} ================================
 //
 // File:       {{.FileRelative}}
 // StringEnum: {{$hasStr   | boolToStr}}
 // DescrEnum:  {{$hasDescr | boolToStr}}
+// DataEnum:   {{$hasData  | boolToStr}}
 //
 
+{{ $typename := .EnumTypeName }}
+{{ $enumdef  := . }}
+
 var __{{.EnumTypeName}}Values = []{{.EnumTypeName}}{ {{range .Values}}
 	{{.VarName}}, {{end}}
 }
 
 {{if $hasDescr}}
 var __{{.EnumTypeName}}Descriptions = map[{{.EnumTypeName}}]string{ {{range .Values}}
-	{{.VarName}}: "{{.Description | deref | trimSpace}}", {{end}}
+	{{.VarName}}: {{.Description | deref | trimSpace | gostr}}, {{end}}
+}
+{{end}}
+
+{{if $hasData}}
+type {{ .EnumTypeName }}Data struct { {{ range $datakey, $datatype := ($enumdef | generalDataKeys)  }}
+    {{ $datakey | godatakey }} {{ $datatype }} `json:"{{ $datakey }}"` {{ end }}
+}
+
+var __{{.EnumTypeName}}Data = map[{{.EnumTypeName}}]{{.EnumTypeName}}Data{ {{range .Values}} {{ $enumvalue := . }}
+	{{.VarName}}: {{ $typename }}Data{ {{ range $datakey, $datatype := $enumdef | generalDataKeys  }}
+	    {{ $datakey | godatakey }}: {{ (mapindex $enumvalue.Data $datakey) | godatavalue }}, {{ end }}
+	}, {{end}}
 }
 {{end}}
 
@@ -64,6 +81,15 @@ func (e {{.EnumTypeName}}) Description() string {
 }
 {{end}}
 
+{{if $hasData}}
+func (e {{.EnumTypeName}}) Data() {{.EnumTypeName}}Data {
+	if d, ok := __{{.EnumTypeName}}Data[e]; ok {
+		return d
+	}
+	return {{.EnumTypeName}}Data{}
+}
+{{end}}
+
 func (e {{.EnumTypeName}}) VarName() string {
 	if d, ok := __{{.EnumTypeName}}Varnames[e]; ok {
 		return d
diff --git a/bfcodegen/enum-generate_test.go b/bfcodegen/enum-generate_test.go
index 72dcce7..896fd52 100644
--- a/bfcodegen/enum-generate_test.go
+++ b/bfcodegen/enum-generate_test.go
@@ -12,8 +12,11 @@ import (
 	"time"
 )
 
-//go:embed _test_example.tgz
-var EnumExampleModels []byte
+//go:embed _test_example_1.tgz
+var EnumExampleModels1 []byte
+
+//go:embed _test_example_2.tgz
+var EnumExampleModels2 []byte
 
 func TestGenerateEnumSpecs(t *testing.T) {
 
@@ -21,7 +24,7 @@ func TestGenerateEnumSpecs(t *testing.T) {
 
 	tmpDir := filepath.Join(t.TempDir(), langext.MustHexUUID())
 
-	err := os.WriteFile(tmpFile, EnumExampleModels, 0o777)
+	err := os.WriteFile(tmpFile, EnumExampleModels1, 0o777)
 	tst.AssertNoErr(t, err)
 
 	t.Cleanup(func() { _ = os.Remove(tmpFile) })
@@ -34,17 +37,53 @@ func TestGenerateEnumSpecs(t *testing.T) {
 	_, err = cmdext.Runner("tar").Arg("-xvzf").Arg(tmpFile).Arg("-C").Arg(tmpDir).FailOnExitCode().FailOnTimeout().Timeout(time.Minute).Run()
 	tst.AssertNoErr(t, err)
 
-	err = GenerateEnumSpecs(tmpDir, tmpDir+"/enums_gen.go")
+	s1, cs1, err := _generateEnumSpecs(tmpDir, "", "N/A", true)
 	tst.AssertNoErr(t, err)
 
-	err = GenerateEnumSpecs(tmpDir, tmpDir+"/enums_gen.go")
+	s2, cs2, err := _generateEnumSpecs(tmpDir, "", "N/A", true)
 	tst.AssertNoErr(t, err)
 
+	tst.AssertEqual(t, cs1, cs2)
+	tst.AssertEqual(t, s1, s2)
+
 	fmt.Println()
 	fmt.Println()
 	fmt.Println()
 	fmt.Println("=====================================================================================================")
-	fmt.Println(string(tst.Must(os.ReadFile(tmpDir + "/enums_gen.go"))(t)))
+	fmt.Println(s1)
+	fmt.Println("=====================================================================================================")
+	fmt.Println()
+	fmt.Println()
+	fmt.Println()
+}
+
+func TestGenerateEnumSpecsData(t *testing.T) {
+
+	tmpFile := filepath.Join(t.TempDir(), langext.MustHexUUID()+".tgz")
+
+	tmpDir := filepath.Join(t.TempDir(), langext.MustHexUUID())
+
+	err := os.WriteFile(tmpFile, EnumExampleModels2, 0o777)
+	tst.AssertNoErr(t, err)
+
+	t.Cleanup(func() { _ = os.Remove(tmpFile) })
+
+	err = os.Mkdir(tmpDir, 0o777)
+	tst.AssertNoErr(t, err)
+
+	t.Cleanup(func() { _ = os.RemoveAll(tmpFile) })
+
+	_, err = cmdext.Runner("tar").Arg("-xvzf").Arg(tmpFile).Arg("-C").Arg(tmpDir).FailOnExitCode().FailOnTimeout().Timeout(time.Minute).Run()
+	tst.AssertNoErr(t, err)
+
+	s1, _, err := _generateEnumSpecs(tmpDir, "", "", true)
+	tst.AssertNoErr(t, err)
+
+	fmt.Println()
+	fmt.Println()
+	fmt.Println()
+	fmt.Println("=====================================================================================================")
+	fmt.Println(s1)
 	fmt.Println("=====================================================================================================")
 	fmt.Println()
 	fmt.Println()
diff --git a/bfcodegen/id-generate_test.go b/bfcodegen/id-generate_test.go
index f37b163..3eec16a 100644
--- a/bfcodegen/id-generate_test.go
+++ b/bfcodegen/id-generate_test.go
@@ -12,8 +12,8 @@ import (
 	"time"
 )
 
-//go:embed _test_example.tgz
-var IDExampleModels []byte
+//go:embed _test_example_1.tgz
+var IDExampleModels1 []byte
 
 func TestGenerateIDSpecs(t *testing.T) {
 
@@ -21,7 +21,7 @@ func TestGenerateIDSpecs(t *testing.T) {
 
 	tmpDir := filepath.Join(t.TempDir(), langext.MustHexUUID())
 
-	err := os.WriteFile(tmpFile, IDExampleModels, 0o777)
+	err := os.WriteFile(tmpFile, IDExampleModels1, 0o777)
 	tst.AssertNoErr(t, err)
 
 	t.Cleanup(func() { _ = os.Remove(tmpFile) })
diff --git a/goextVersion.go b/goextVersion.go
index e8d5864..f22581f 100644
--- a/goextVersion.go
+++ b/goextVersion.go
@@ -1,5 +1,5 @@
 package goext
 
-const GoextVersion = "0.0.341"
+const GoextVersion = "0.0.342"
 
-const GoextVersionTimestamp = "2023-12-07T14:43:12+0100"
+const GoextVersionTimestamp = "2023-12-07T17:57:06+0100"
diff --git a/langext/maps.go b/langext/maps.go
index 2b2307b..50da0a1 100644
--- a/langext/maps.go
+++ b/langext/maps.go
@@ -29,6 +29,14 @@ func ArrToMap[T comparable, V any](a []V, keyfunc func(V) T) map[T]V {
 	return result
 }
 
+func ArrToKVMap[T any, K comparable, V any](a []T, keyfunc func(T) K, valfunc func(T) V) map[K]V {
+	result := make(map[K]V, len(a))
+	for _, v := range a {
+		result[keyfunc(v)] = valfunc(v)
+	}
+	return result
+}
+
 func ArrToSet[T comparable](a []T) map[T]bool {
 	result := make(map[T]bool, len(a))
 	for _, v := range a {