diff --git a/conf/config.php b/conf/config.php
index 6e4f591..f4ced39 100644
--- a/conf/config.php
+++ b/conf/config.php
@@ -20,8 +20,8 @@ define("SMTP_PORT", 25);
 define("SMTP_MAIL", "__APP__@__DOMAIN__");
 define("SMTP_PASSWORD", "");
 
-define("CREATION_COMPTE", __CREATION_COMPTE__);
-define("CONNEXION_COMPTE", __CONNEXION_COMPTE__);
+define("CREATION_COMPTE", true);
+define("CONNEXION_COMPTE", true);
 
 define("CSV_SEP", ";");
 
diff --git a/config_panel.toml b/config_panel.toml
deleted file mode 100644
index f6c6c06..0000000
--- a/config_panel.toml
+++ /dev/null
@@ -1,34 +0,0 @@
-version = "1.0"
-[main]
-name = "Moncycle.app configuration"
-    
- #   [main.comptes]
- #   name = "comptes"
-        
- #       [main.comptes.creation_compte]
- #       ask.en = "Enable account creation"
- #       ask.fr = "Permettre la création de nouveaux comptes"
- #       type = "select"
- #       choices = ["true", "false"]
- #       default = "true"
- #       help = "Don't disable account creation before creating one for yourself !"
- #       bind = "CREATION_COMPTE:__INSTALL_DIR__/config.php"
- #       
- #       [main.comptes.connexion_compte]
- #       ask.en = "Enable account connexion"
- #       ask.fr = "Permettre la connexion aux comptes"
- #       type = "select"
- #       choices = ["true", "false"]
- #       default = "true"
- #       bind = "CONNEXION_COMPTE:__INSTALL_DIR__/config.php"
-    
-    [main.export]
-    name = "export"
-        
-        [main.export.csv_sep]
-        #ask.en = "Separator for data export in csv format"
-        #ask.fr = "Séparateur pour l'export des données au format csv"
-        bind = ":__INSTALL_DIR__/config.php"
-        type = "string"
-        #default = ";"
-        
\ No newline at end of file
diff --git a/config_panel.toml.example b/config_panel.toml.example
new file mode 100644
index 0000000..49dae20
--- /dev/null
+++ b/config_panel.toml.example
@@ -0,0 +1,10 @@
+version = "1.0"
+[main]
+name = "Moncycle.app configuration"
+    [main.comptes]
+    name = "comptes"
+        [main.comptes.CREATION_COMPTE]
+        ask.en = "Enable account creation"
+        type = "boolean"
+        default = "true"
+        bind = ":__INSTALL_DIR__/config.php"
\ No newline at end of file
diff --git a/scripts/config b/scripts/config
index d03f829..b9e79f8 100644
--- a/scripts/config
+++ b/scripts/config
@@ -24,10 +24,77 @@ ynh_abort_if_errors
 
 final_path=$(ynh_app_setting_get $app final_path)
 
-## import needed settings
-#creation_compte=$(ynh_app_setting_get --app="$app" --key=creation_compte)
-#connexion_compte=$(ynh_app_setting_get --app="$app" --key=connexion_compte)
-#csv_sep=$(ynh_app_setting_get --app="$app" --key=csv_sep)
+#=================================================
+# SPECIFIC GETTERS FOR TOML SHORT KEY
+#=================================================
+
+get__amount() {
+    # Here we can imagine to have an API call to stripe to know the amount of donation during a month
+    local amount = 200
+
+    # It's possible to change some properties of the question by overriding it:
+    if [ $amount -gt 100 ]
+    then
+    cat << EOF
+style: success
+value: $amount
+ask:
+  en: A lot of donation this month: **$amount €**
+EOF
+    else
+    cat << EOF
+style: danger
+value: $amount
+ask:
+  en: Not so much donation this month: $amount €
+EOF
+    fi
+}
+
+get__prices() {
+    local prices = "$(grep "DONATION\['" "$final_path/settings.py" | sed -r "s@^DONATION\['([^']*)'\]\['([^']*)'\] = '([^']*)'@\1/\2/\3@g" | sed -z 's/\n/,/g;s/,$/\n/')"
+    if [ "$prices" == "," ];
+    then
+        # Return YNH_NULL if you prefer to not return a value at all.
+        echo YNH_NULL
+    else
+        echo $prices
+    fi
+}
+
+
+#=================================================
+# SPECIFIC VALIDATORS FOR TOML SHORT KEYS
+#=================================================
+validate__publishable_key() {
+
+    # We can imagine here we test if the key is really a publisheable key
+    (is_secret_key $publishable_key) &&
+        echo 'This key seems to be a secret key'
+}
+
+#=================================================
+# SPECIFIC SETTERS FOR TOML SHORT KEYS
+#=================================================
+set__prices() {
+
+    #---------------------------------------------
+    # IMPORTANT: setter are trigger only if a change is detected
+    #---------------------------------------------
+    for price in $(echo $prices | sed "s/,/ /"); do
+        frequency=$(echo $price | cut -d/ -f1)
+        currency=$(echo $price | cut -d/ -f2)
+        price_id=$(echo $price | cut -d/ -f3)
+        sed "d/DONATION\['$frequency'\]\['$currency'\]" "$final_path/settings.py"
+
+        echo "DONATION['$frequency']['$currency'] = '$price_id'" >> "$final_path/settings.py"
+    done
+    
+    #---------------------------------------------
+    # IMPORTANT: to be able to upgrade properly, you have to saved the value in settings too
+    #---------------------------------------------
+    ynh_app_setting_set $app prices $prices
+}
 
 #=================================================
 # GENERIC FINALIZATION
diff --git a/scripts/install b/scripts/install
index 2a84339..7b55452 100755
--- a/scripts/install
+++ b/scripts/install
@@ -9,14 +9,6 @@
 source _common.sh
 source /usr/share/yunohost/helpers
 
-creation_compte="true"
-connexion_compte="true"
-#csv_sep=";"
-
-ynh_app_setting_set --app=$app --key=creation_compte --value=$creation_compte
-ynh_app_setting_set --app=$app --key=connexion_compte --value=$connexion_compte
-#ynh_app_setting_set --app=$app --key=csv_sep --value=$csv_sep
-
 #=================================================
 # DOWNLOAD, CHECK AND UNPACK SOURCE
 #=================================================
diff --git a/scripts/upgrade b/scripts/upgrade
index 883dd58..c63e47b 100644
--- a/scripts/upgrade
+++ b/scripts/upgrade
@@ -15,25 +15,6 @@ source /usr/share/yunohost/helpers
 
 upgrade_type=$(ynh_check_app_version_changed)
 
-# If creation_compte doesn't exist, create it
-if [ -z "${creation_compte:-}" ]; then
-    creation_compte="true"
-    ynh_app_setting_set --app=$app --key=creation_compte --value=$creation_compte
-fi
-
-# If connexion_compte doesn't exist, create it
-if [ -z "${connexion_compte:-}" ]; then
-    connexion_compte="true"
-    ynh_app_setting_set --app=$app --key=connexion_compte --value=$connexion_compte
-fi
-
-# If separateur_csv doesn't exist, create it
-#if [ -z "${csv_sep:-}" ]; then
-#    csv_sep=";"
-#    ynh_app_setting_set --app=$app --key=csv_sep --value=$csv_sep
-#fi
-
-
 #=================================================
 # DOWNLOAD, CHECK AND UNPACK SOURCE
 #=================================================