diff --git a/CHANGELOG b/CHANGELOG
new file mode 100644
index 0000000..507ee82
--- /dev/null
+++ b/CHANGELOG
@@ -0,0 +1,4 @@
+v 0.1.0 [27-jun-2021]
+    - Initial version
+    - Function `reverse`
+    - Function `eval`
diff --git a/conf.py b/conf.py
index 56f7953..35ad56f 100644
--- a/conf.py
+++ b/conf.py
@@ -23,17 +23,17 @@ import logging
 # ~ 1 = normal extension
 # ~ 2 = new component
 # ~ 3 = Calc addin
-TYPE_EXTENSION = 1
+TYPE_EXTENSION = 3
 
 # ~ Your great extension name, not used spaces
-NAME = 'MyFirstExtension'
+NAME = 'ZAZFunctions'
 
 # ~ https://semver.org/
 VERSION = '0.1.0'
 
 
 # ~ Should be unique, used URL inverse
-ID = 'org.myfirstextension'
+ID = 'net.elmau.zaz.functions'
 
 # ~ If you extension will be multilanguage set: True
 # ~ This feature used gettext, set pythonpath and easymacro in True
@@ -48,9 +48,10 @@ PATH_MSGMERGE = 'msgmerge'
 
 
 # ~ Show in extension manager
+URL_PROJECT = 'https://git.cuates.net/elmau/zaz-functions'
 PUBLISHER = {
-    'en': {'text': 'El Mau', 'link': 'https://gitlab.com/mauriciobaeza'},
-    'es': {'text': 'El Mau', 'link': 'https://gitlab.com/mauriciobaeza'},
+    'en': {'text': 'El Mau', 'link': URL_PROJECT},
+    'es': {'text': 'El Mau', 'link': URL_PROJECT},
 }
 
 # ~ Name in this folder for copy
@@ -135,13 +136,23 @@ MENUS = (
 
 # ~ Functions, only for TYPE_EXTENSION = 3
 FUNCTIONS = {
-    'test': {
-        'displayname': {'en': 'test', 'es': 'prueba'},
-        'description': {'en': 'My test', 'es': 'Mi prueba'},
+    'reverse': {
+        'displayname': {'en': 'reverse', 'es': 'reversa'},
+        'description': {'en': 'Get reverse string', 'es': 'Retorna la cadena en forma inversa'},
         'parameters': {
             'value': {
-                'displayname': {'en': 'value', 'es': 'valor'},
-                'description': {'en': 'The value', 'es': 'El valor'},
+                'displayname': {'en': 'string', 'es': 'texto'},
+                'description': {'en': 'The string', 'es': 'El cadena'},
+            },
+        },
+    },
+    'eval': {
+        'displayname': {'en': 'eval', 'es': 'evalua'},
+        'description': {'en': 'Parse and execute string expressions', 'es': 'Parsea y ejecuta una expresión en texto'},
+        'parameters': {
+            'value': {
+                'displayname': {'en': 'expression', 'es': 'expresion'},
+                'description': {'en': 'The expression to execute', 'es': 'La expresión a ejecutar'},
             },
         },
     },
diff --git a/images/logo.png b/images/logo.png
index 37d9be2..4e0d53f 100644
Binary files a/images/logo.png and b/images/logo.png differ