diff --git a/config_app_ynh/conf/test.ini b/config_app_ynh/conf/test.ini
index e69de29..8ec9e9f 100644
--- a/config_app_ynh/conf/test.ini
+++ b/config_app_ynh/conf/test.ini
@@ -0,0 +1 @@
+arg4 = "Arg4 value"
diff --git a/config_app_ynh/conf/test.json b/config_app_ynh/conf/test.json
index e69de29..f6c024f 100644
--- a/config_app_ynh/conf/test.json
+++ b/config_app_ynh/conf/test.json
@@ -0,0 +1,3 @@
+{
+    "arg3": "Arg3 value"
+}
diff --git a/config_app_ynh/conf/test.php b/config_app_ynh/conf/test.php
index e69de29..158b79a 100644
--- a/config_app_ynh/conf/test.php
+++ b/config_app_ynh/conf/test.php
@@ -0,0 +1,2 @@
+<?php
+$arg5= "Arg5 value";
diff --git a/config_app_ynh/conf/test.py b/config_app_ynh/conf/test.py
index e69de29..3067bc4 100644
--- a/config_app_ynh/conf/test.py
+++ b/config_app_ynh/conf/test.py
@@ -0,0 +1 @@
+arg6 = "Arg6 value"
diff --git a/config_app_ynh/conf/test.yml b/config_app_ynh/conf/test.yml
index e69de29..8f0eedb 100644
--- a/config_app_ynh/conf/test.yml
+++ b/config_app_ynh/conf/test.yml
@@ -0,0 +1 @@
+arg2: "Arg2 value"
diff --git a/config_app_ynh/config_panel.toml b/config_app_ynh/config_panel.toml
index 3c72cfc..890112c 100644
--- a/config_app_ynh/config_panel.toml
+++ b/config_app_ynh/config_panel.toml
@@ -2,7 +2,7 @@ version = "0.1"
 name = "Configuration panel"
 
 [main]
-name = "Main section"
+name = "Main panel"
 
     [main.components]
     name = "Components"
@@ -10,97 +10,78 @@ name = "Main section"
         [main.components.boolean]
         ask = "Put a boolean"
         type = "boolean"
-        labels.true = "on"
-        labels.false = "off"
-        default = true
-        optional = true
         
         [main.components.number]
         ask = "Put a number"
         type = "number"
         min = 1
         max = 100
-        optional = true
 
         [main.components.range]
         ask = "Put a range"
         type = "range"
         min = 1
         max = 100
-        optional = true
         
         [main.components.str]
         ask = "Put a string with yunohost word"
         type = "string"
         pattern = "yunohost"
-        optional = true
         
         [main.components.text]
         ask = "Put a text"
         type = "text"
-        optional = true
         
         [main.components.password]
         ask = "Put a password"
         type = "password"
-        optional = true
 
-        [main.components.custom_path]
+        [main.components.path]
         ask = "Put a path"
         type = "path"
-        optional = true
         
         [main.components.email]
         ask = "Put a email"
         type = "email"
-        optional = true
         
         [main.components.url]
         ask = "Put a url"
         type = "url"
-        optional = true
         
         [main.components.date]
         ask = "Put a date"
         type = "date"
-        optional = true
         
         [main.components.time]
         ask = "Put a time"
         type = "time"
-        optional = true
         
         [main.components.color]
         ask = "Put a color"
         type = "color"
-        optional = true
         
         [main.components.select]
         ask = "Choose an option"
         type = "select"
         choices = ["option1", "option2", "option3"]
-        optional = true
+        default = "option1"
         
-        [main.components.custom_domain]
+        [main.components.domain]
         ask = "Put a domain"
         type = "domain"
-        optional = true
         
         [main.components.user]
         ask = "Put a user"
         type = "user"
-        optional = true
         
         [main.components.tags]
         ask = "Put some tags"
         type = "tags"
-        optional = true
         
-        [main.components.file]
-        ask = "Put a file"
-        type = "file"
-        accept = ".cube"
-        optional = true
+#        [main.components.file]
+#        ask = "Put a file"
+#        type = "file"
+#        accept = ".cube"
 
     [main.messages]
     name = "Read only components"
@@ -117,9 +98,9 @@ name = "Main section"
         ask = "This is an warning message"
         type = "warning"
         
-        [main.messages.error]
-        ask = "This is an simple message"
-        type = "error"
+        [main.messages.danger]
+        ask = "This is a danger message"
+        type = "danger"
         
         [main.messages.display_text]
         ask = "This is a simple text"
@@ -136,36 +117,32 @@ name = "Main section"
         ask = "This is a question with a default value"
         type = "string"
         default = "Camille"
-        optional = true
         
         [main.generic.example]
         ask = "This is a question with an example value"
         type = "string"
         example = "Camille"
-        optional = true
         
         [main.generic.required]
         ask = "This is a required value"
         type = "string"
+        optional = false
         
         [main.generic.help]
         ask = "Here we add some help"
         type = "string"
         help = "You can feel this question with your keyboard (yes i know it's very useful)"
-        optional = true
         
         [main.generic.helpLink]
         ask = "Here we add an help link"
         type = "string"
         helpLink.href = "https://yunohost.org/doc"
         helpLink.text = "Yunohost Doc"
-        optional = true
 
         [main.generic.visibleIf]
         ask = "Display if helpLink question is filled"
         type = "string"
-        visibleIf = "helpLink"
-        optional = true
+        visibleIf = "helpLink == 'plop'"
 
 [source]
 name = "Source section"
@@ -176,7 +153,6 @@ name = "Source section"
         [source.settings.arg1]
         ask = "Save app settings arg1"
         type = "string"
-        optional = true
 
     [source.yml]
     name = "YAML"
@@ -185,7 +161,6 @@ name = "Source section"
         ask = "Save arg2 in YAML"
         type = "string"
         source = "__FINALPATH__/test.yml"
-        optional = true
         
     [source.json]
     name = "JSON"
@@ -194,7 +169,6 @@ name = "Source section"
         ask = "Save arg3 in JSON"
         type = "string"
         source = "__FINALPATH__/test.json"
-        optional = true
         
     [source.ini]
     name = "INI"
@@ -203,7 +177,6 @@ name = "Source section"
         ask = "Save arg4 in INI"
         type = "string"
         source = "__FINALPATH__/test.ini"
-        optional = true
         
     [source.php]
     name = "PHP"
@@ -212,7 +185,6 @@ name = "Source section"
         ask = "Save arg5 in PHP file"
         type = "string"
         source = "__FINALPATH__/test.php"
-        optional = true
         
     [source.python]
     name = "Python"
@@ -221,17 +193,15 @@ name = "Source section"
         ask = "Save arg6 in python file"
         type = "string"
         source = "__FINALPATH__/test.py"
-        optional = true
 
-    [source.file]
-    name = "File"
-        
-        [source.file.arg7]
-        ask = "Save a cube file"
-        type = "file"
-        accept = ".cube"
-        source = "__FINALPATH__/test.cube"
-        optional = true
+#    [source.file]
+#    name = "File"
+#        
+#        [source.file.arg7]
+#        ask = "Save a cube file"
+#        type = "file"
+#        accept = ".cube"
+#        source = "__FINALPATH__/test.cube"
 
     [source.function]
     name = "Save with a bash function"
@@ -239,4 +209,3 @@ name = "Source section"
         [source.function.arg8]
         ask = "Custom validate and save arg8 password"
         type = "password"
-        optional = true
diff --git a/config_app_ynh/scripts/config b/config_app_ynh/scripts/config
index 80a2a57..6c5c5fe 100644
--- a/config_app_ynh/scripts/config
+++ b/config_app_ynh/scripts/config
@@ -8,12 +8,12 @@
 
 source /usr/share/yunohost/helpers
 
+ynh_abort_if_errors
+
 #=================================================
 # RETRIEVE ARGUMENTS
 #=================================================
 
-app=$YNH_APP_INSTANCE_NAME
-
 final_path=$(ynh_app_setting_get $app final_path)
 
 #=================================================
@@ -28,7 +28,7 @@ get__arg8() {
 # SPECIFIC VALIDATORS FOR TOML SHORT KEYS
 #=================================================
 validate__arg8() {
-    [[ "$#arg8" -lt 8 ]] &&
+    [[ "${#arg8}" -lt 8 ]] &&
         echo 'Too short password'
 }
 
@@ -36,14 +36,12 @@ validate__arg8() {
 # SPECIFIC SETTERS FOR TOML SHORT KEYS
 #=================================================
 set__arg8() {
-    if [ -z "$arg8" ]
+    if [ -z "${arg8}" ]
     then
         python -c "import crypt; print(crypt.crypt(\"${arg8}\", \"\$6\$saltsalt\$\"))" > $final_path/password
     fi
 }
 
-
-
 #=================================================
 # OVERWRITING APPLY STEP 
 #=================================================
@@ -55,4 +53,4 @@ ynh_panel_apply() {
 #=================================================
 # GENERIC FINALIZATION
 #=================================================
-ynh_panel_run
+ynh_panel_run $1