diff --git a/sources/plugins/emailnotify/emailnotify.json b/sources/plugins/emailnotify/emailnotify.json
new file mode 100644
index 0000000..a9f4bed
--- /dev/null
+++ b/sources/plugins/emailnotify/emailnotify.json
@@ -0,0 +1,44 @@
+{
+    "author": "Queued team",
+    "description": "Send email on job updates",
+    "homepage": "https://github.com/arcan1s/queued",
+    "license": "MIT",
+
+    "options": {
+        "From": {
+            "default": "mail@example.com",
+            "description": "from email field",
+            "type": "string"
+        },
+        "InsecureCurl": {
+            "default": false,
+            "description": "ignore insecure warnings",
+            "type": "boolean"
+        },
+        "Password": {
+            "default": "",
+            "description": "email service auth password",
+            "type": "string"
+        },
+        "Port": {
+            "default": 465,
+            "description": "email service port",
+            "type": "integer"
+        },
+        "Server": {
+            "default": "smtp://smtp.example.com",
+            "description": "email server url",
+            "type": "string"
+        },
+        "UseSSL": {
+            "default": false,
+            "description": "use ssl for connection",
+            "type": "boolean"
+        },
+        "Username": {
+            "default": "",
+            "description": "email service auth username",
+            "type": "string"
+        }
+    }
+}
diff --git a/sources/queued/QueuedMacros.cmake b/sources/queued/QueuedMacros.cmake
index 5d0e7f2..dfba6e6 100644
--- a/sources/queued/QueuedMacros.cmake
+++ b/sources/queued/QueuedMacros.cmake
@@ -58,4 +58,6 @@ macro(queued_install_plugin PLUGIN_ROOT)
 
     # install
     install (TARGETS "${PLUGIN}" DESTINATION "${QUEUED_PLUGIN_ROOT}")
+    install (FILES "${PLUGIN_ROOT}/${PLUGIN}.json" DESTINATION
+            "${QUEUED_PLUGIN_ROOT}")
 endmacro()
diff --git a/sources/queued/include/queued/Queued.h b/sources/queued/include/queued/Queued.h
index be83364..58ae0b7 100644
--- a/sources/queued/include/queued/Queued.h
+++ b/sources/queued/include/queued/Queued.h
@@ -38,6 +38,7 @@
 #include "QueuedPluginInterface.h"
 #include "QueuedPluginManager.h"
 #include "QueuedPluginManagerInterface.h"
+#include "QueuedPluginSpecification.h"
 #include "QueuedProcess.h"
 #include "QueuedProcessManager.h"
 #include "QueuedPropertyInterface.h"
diff --git a/sources/queued/include/queued/QueuedAdvancedSettings.h b/sources/queued/include/queued/QueuedAdvancedSettings.h
index efae0a9..9c83e71 100644
--- a/sources/queued/include/queued/QueuedAdvancedSettings.h
+++ b/sources/queued/include/queued/QueuedAdvancedSettings.h
@@ -27,8 +27,11 @@
 #include <QObject>
 #include <QVariant>
 
-#include "QueuedStaticConfig.h"
 
+namespace QueuedConfig
+{
+enum class QueuedSettings;
+}
 
 /**
  * @brief implementation over database stored settings
diff --git a/sources/queued/include/queued/QueuedCore.h b/sources/queued/include/queued/QueuedCore.h
index ba9d0af..350ba62 100644
--- a/sources/queued/include/queued/QueuedCore.h
+++ b/sources/queued/include/queued/QueuedCore.h
@@ -26,14 +26,20 @@
 
 #include <QObject>
 
-#include "QueuedEnums.h"
-#include "QueuedLimits.h"
 #include "QueuedResult.h"
 
 
 class QueuedCorePrivate;
 class QueuedProcess;
 class QueuedUser;
+namespace QueuedEnums
+{
+enum class Permission;
+};
+namespace QueuedLimits
+{
+struct Limits;
+}
 
 /**
  * @brief aggregator of queued classes
@@ -214,13 +220,26 @@ public:
     QueuedResult<QList<QVariantHash>>
     performanceReport(const QDateTime &_from, const QDateTime &_to,
                       const QString &_token) const;
+    /**
+     * @brief get plugin description
+     * @param _plugin
+     * plugin name
+     * @param _token
+     * user auth token
+     * @return dictionary of PluginSpecification representation
+     */
+    QueuedResult<QVariantHash> plugin(const QString &_plugin,
+                                      const QString &_token);
     /**
      * @brief get plugin settings
      * @param _plugin
      * plugin name
+     * @param _token
+     * user auth token
      * @return hash of plugin settings
      */
-    QVariantHash pluginSettings(const QString &_plugin);
+    QueuedResult<QVariantHash> pluginSettings(const QString &_plugin,
+                                              const QString &_token);
     /**
      * @brief remove plugin from autoload and unload it now
      * @param _plugin
diff --git a/sources/queued/include/queued/QueuedCoreAdaptor.h b/sources/queued/include/queued/QueuedCoreAdaptor.h
index 9e342cc..61fc116 100644
--- a/sources/queued/include/queued/QueuedCoreAdaptor.h
+++ b/sources/queued/include/queued/QueuedCoreAdaptor.h
@@ -28,10 +28,14 @@
 #include <QDBusReply>
 
 #include "QueuedProcess.h"
-#include "QueuedStaticConfig.h"
 #include "QueuedUser.h"
 
 
+namespace QueuedPluginSpecification
+{
+struct Plugin;
+};
+
 /**
  * @addtogroup QueuedCoreAdaptor
  * @brief adaptor to DBus methods
@@ -190,6 +194,16 @@ sendUserPermissionRemove(const long long _id,
                          const QueuedEnums::Permission _permission,
                          const QString &_token);
 // specific methods for properties
+/**
+ * @brief get plugin
+ * @param _plugin
+ * plugin name
+ * @param _token
+ * user auth token
+ * @return plugin specification body
+ */
+QueuedResult<QueuedPluginSpecification::Plugin>
+getPlugin(const QString &_plugin, const QString &_token);
 /**
  * @brief get option
  * @param _property
diff --git a/sources/queued/include/queued/QueuedPluginManager.h b/sources/queued/include/queued/QueuedPluginManager.h
index 8d31e6b..8848fee 100644
--- a/sources/queued/include/queued/QueuedPluginManager.h
+++ b/sources/queued/include/queued/QueuedPluginManager.h
@@ -31,6 +31,10 @@
 
 class QueuedPluginInterface;
 class QueuedPluginManagerInterface;
+namespace QueuedPluginSpecification
+{
+struct Plugin;
+};
 
 /**
  * @brief report manager for queued
@@ -79,6 +83,13 @@ public:
      * @return true on success load otherwise return false
      */
     bool loadPlugin(const QString &_name, const QVariantHash &_settings);
+    /**
+     * @brief load plugin specification
+     * @param _name
+     * plugin name
+     * @return plugin specification object
+     */
+    QueuedPluginSpecification::Plugin loadSpecification(const QString &_name);
     /**
      * @brief path to plugin location
      * @return full path to plugin location
diff --git a/sources/queued/include/queued/QueuedPluginSpecification.h b/sources/queued/include/queued/QueuedPluginSpecification.h
new file mode 100644
index 0000000..afa161e
--- /dev/null
+++ b/sources/queued/include/queued/QueuedPluginSpecification.h
@@ -0,0 +1,99 @@
+/*
+ * Copyright (c) 2017 Queued team
+ *
+ * Permission is hereby granted, free of charge, to any person obtaining a copy
+ * of this software and associated documentation files (the "Software"), to deal
+ *
+ * in the Software without restriction, including without limitation the rights
+ * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
+ * copies of the Software, and to permit persons to whom the Software is
+ * furnished to do so, subject to the following conditions:
+ *
+ * The above copyright notice and this permission notice shall be included in
+ * all copies or substantial portions of the Software.
+ */
+/**
+ * @file QueuedPluginSpecification.h
+ * Header of Queued library
+ * @author Queued team
+ * @copyright MIT
+ * @bug https://github.com/arcan1s/queued/issues
+ */
+
+
+#ifndef QUEUEDPLUGINSPECIFICATION_H
+#define QUEUEDPLUGINSPECIFICATION_H
+
+#include <QString>
+
+
+/**
+ * @addtogroup QueuedPluginSpecification
+ * @brief plugin specification representation
+ */
+namespace QueuedPluginSpecification
+{
+/**
+ * @struct PluginOption
+ * @brief plugin option structure
+ * @var PluginOption::defaultValue
+ * option default value
+ * @var PluginOption::description
+ * option description
+ * @var PluginOption::name
+ * option name
+ * @var PluginOption::type
+ * option type
+ */
+struct PluginOption {
+    QVariant defaultValue;
+    QString description;
+    QString name;
+    QString type;
+};
+/**
+ * @struct Plugin
+ * @brief plugin specification structure
+ * @var Plugin::author
+ * plugin author
+ * @var Plugin::description
+ * plugin description
+ * @var Plugin::homepage
+ * plugin license
+ * @var Plugin::license
+ * plugin license
+ * @param Plugin::options
+ * plugin options
+ */
+struct Plugin {
+    QString author;
+    QString description;
+    QString homepage;
+    QString license;
+    QList<PluginOption> options;
+};
+/**
+ * @brief dump specification to map
+ * @param _plugin
+ * plugin object
+ * @return specification dump
+ */
+QVariantHash dumpSpecification(const Plugin &_plugin);
+/**
+ * @brief init specification from file
+ * @param _path
+ * path to specification file
+ * @return initialized object
+ */
+Plugin readSpecification(const QString &_path);
+/**
+ * @brief init specification from map
+ * @param _map
+ * specification map
+ * @return initialized object
+ */
+Plugin readSpecification(const QVariantHash &_map);
+};
+
+
+#endif /* QUEUEDPLUGINSPECIFICATION_H */
diff --git a/sources/queued/include/queued/QueuedProcess.h b/sources/queued/include/queued/QueuedProcess.h
index c684ee2..f5331c9 100644
--- a/sources/queued/include/queued/QueuedProcess.h
+++ b/sources/queued/include/queued/QueuedProcess.h
@@ -27,10 +27,12 @@
 #include <QDateTime>
 #include <QProcess>
 
-#include "QueuedLimits.h"
-
 
 class QueuedControlGroupsAdaptor;
+namespace QueuedLimits
+{
+struct Limits;
+};
 
 /**
  * @brief implementation over QProcess to run processes
@@ -78,7 +80,7 @@ public:
      * @var QueuedProcessDefinitions::limits
      * task limits
      */
-    typedef struct {
+    struct QueuedProcessDefinitions {
         QString command;
         QStringList arguments;
         QString workingDirectory;
@@ -89,7 +91,7 @@ public:
         QDateTime endTime;
         long long user = 0;
         QString limits;
-    } QueuedProcessDefinitions;
+    };
 
     /**
      * @brief QueuedProcess class constructor
diff --git a/sources/queued/include/queued/QueuedProcessManager.h b/sources/queued/include/queued/QueuedProcessManager.h
index 77c9fca..bb79665 100644
--- a/sources/queued/include/queued/QueuedProcessManager.h
+++ b/sources/queued/include/queued/QueuedProcessManager.h
@@ -28,11 +28,14 @@
 #include <QHash>
 #include <QObject>
 
-#include "QueuedEnums.h"
 #include "QueuedProcess.h"
 
 
 class QueuedPluginManagerInterface;
+namespace QueuedEnums
+{
+enum class ExitAction;
+};
 
 /**
  * @brief implementation over QProcess to run processes
@@ -183,7 +186,7 @@ private:
     /**
      * @brief action on exit
      */
-    QueuedEnums::ExitAction m_onExit = QueuedEnums::ExitAction::Terminate;
+    QueuedEnums::ExitAction m_onExit;
     /**
      * @brief processes list
      */
diff --git a/sources/queued/include/queued/QueuedPropertyInterface.h b/sources/queued/include/queued/QueuedPropertyInterface.h
index 7461cc2..1aa6aa4 100644
--- a/sources/queued/include/queued/QueuedPropertyInterface.h
+++ b/sources/queued/include/queued/QueuedPropertyInterface.h
@@ -53,6 +53,15 @@ public:
     virtual ~QueuedPropertyInterface();
 
 public slots:
+    /**
+     * @brief get plugin description
+     * @param plugin
+     * plugin name
+     * @param token
+     * user auth token
+     * @return plugin properties
+     */
+    QDBusVariant Plugin(const QString &plugin, const QString &token);
     /**
      * @brief get advanced option
      * @param property
diff --git a/sources/queued/include/queued/QueuedReportManager.h b/sources/queued/include/queued/QueuedReportManager.h
index aac2f2a..f252e1e 100644
--- a/sources/queued/include/queued/QueuedReportManager.h
+++ b/sources/queued/include/queued/QueuedReportManager.h
@@ -27,7 +27,7 @@
 #include <QDateTime>
 #include <QObject>
 
-#include <queued/QueuedEnums.h>
+#include "QueuedEnums.h"
 
 
 class QueuedCore;
diff --git a/sources/queued/include/queued/QueuedResult.h b/sources/queued/include/queued/QueuedResult.h
index 01d2f84..94565c7 100644
--- a/sources/queued/include/queued/QueuedResult.h
+++ b/sources/queued/include/queued/QueuedResult.h
@@ -28,6 +28,7 @@
 
 #include <result/result.hpp>
 
+
 namespace QueuedEnums
 {
 enum class ReturnStatus;
@@ -98,6 +99,7 @@ Q_DECLARE_METATYPE(QueuedResult<QString>)
 Q_DECLARE_METATYPE(QueuedResult<QStringList>)
 Q_DECLARE_METATYPE(QueuedResult<QVariant>)
 Q_DECLARE_METATYPE(QueuedResult<QList<QVariantHash>>)
+Q_DECLARE_METATYPE(QueuedResult<QVariantHash>)
 Q_DECLARE_METATYPE(QueuedResult<QueuedStatusMap>)
 /**
  * @brief DBus marshalling method
diff --git a/sources/queued/include/queued/QueuedStaticConfig.h b/sources/queued/include/queued/QueuedStaticConfig.h
index 0fe861a..eb0ea36 100644
--- a/sources/queued/include/queued/QueuedStaticConfig.h
+++ b/sources/queued/include/queued/QueuedStaticConfig.h
@@ -47,11 +47,11 @@ namespace QueuedConfig
  * @var QueuedAdminSetup::salt
  * user passwords salt
  */
-typedef struct {
+struct QueuedAdminSetup {
     QString name;
     QString password;
     QString salt;
-} QueuedAdminSetup;
+};
 /**
  * @struct QueuedDBSetup
  * @brief structure to define database setup
@@ -68,14 +68,14 @@ typedef struct {
  * @var QueuedDBSetup::username
  * username to connect if any
  */
-typedef struct {
+struct QueuedDBSetup {
     QString driver;
     QString hostname;
     QString password;
     QString path;
     int port;
     QString username;
-} QueuedDBSetup;
+};
 /**
  * @enum QueuedSettings
  * @brief settings keys enum
@@ -129,11 +129,11 @@ enum class QueuedSettings {
  * @var QueuedSettingsField::defaultValue
  * settings default value
  */
-typedef struct {
+struct QueuedSettingsField {
     QueuedSettings id;
     QVariant defaultValue;
     bool isAdmin = true;
-} QueuedSettingsField;
+};
 /**
  * @typedef QueuedSettingsDefaultMap
  * map of settings indices to related values
diff --git a/sources/queued/include/queued/QueuedUser.h b/sources/queued/include/queued/QueuedUser.h
index c9c4091..d25924e 100644
--- a/sources/queued/include/queued/QueuedUser.h
+++ b/sources/queued/include/queued/QueuedUser.h
@@ -28,9 +28,13 @@
 #include <QVariant>
 
 #include "QueuedEnums.h"
-#include "QueuedLimits.h"
 
 
+namespace QueuedLimits
+{
+struct Limits;
+};
+
 /**
  * @brief representation of user in queued
  */
@@ -62,14 +66,14 @@ public:
      * @var limits
      * user defined limits
      */
-    typedef struct {
+    struct QueuedUserDefinitions {
         QString name;
         QString email;
         QString password;
         uint permissions = 0;
         uint priority = 0;
         QString limits;
-    } QueuedUserDefinitions;
+    };
 
     /**
      * @brief QueuedUser class constructor
diff --git a/sources/queued/include/queued/QueuedUserManager.h b/sources/queued/include/queued/QueuedUserManager.h
index 29294fc..80bfab5 100644
--- a/sources/queued/include/queued/QueuedUserManager.h
+++ b/sources/queued/include/queued/QueuedUserManager.h
@@ -27,7 +27,6 @@
 #include <QHash>
 #include <QObject>
 
-#include "QueuedEnums.h"
 #include "QueuedUser.h"
 
 
diff --git a/sources/queued/include/queued/private/QueuedCorePrivate.h b/sources/queued/include/queued/private/QueuedCorePrivate.h
index 83744c9..ccbd893 100644
--- a/sources/queued/include/queued/private/QueuedCorePrivate.h
+++ b/sources/queued/include/queued/private/QueuedCorePrivate.h
@@ -223,13 +223,26 @@ public:
     QueuedResult<QList<QVariantHash>>
     performanceReport(const QDateTime &_from, const QDateTime &_to,
                       const QString &_token) const;
+    /**
+     * @brief get plugin description
+     * @param _plugin
+     * plugin name
+     * @param _token
+     * user auth token
+     * @return dictionary of PluginSpecification representation
+     */
+    QueuedResult<QVariantHash> plugin(const QString &_plugin,
+                                      const QString &_token);
     /**
      * @brief get plugin settings
      * @param _plugin
      * plugin name
+     * @param _token
+     * user auth token
      * @return hash of plugin settings
      */
-    QVariantHash pluginSettings(const QString &_plugin);
+    QueuedResult<QVariantHash> pluginSettings(const QString &_plugin,
+                                              const QString &_token);
     /**
      * @brief remove plugin from autoload and unload it now
      * @param _plugin
diff --git a/sources/queued/src/QueuedCore.cpp b/sources/queued/src/QueuedCore.cpp
index fec3031..4224451 100644
--- a/sources/queued/src/QueuedCore.cpp
+++ b/sources/queued/src/QueuedCore.cpp
@@ -208,14 +208,27 @@ QueuedCore::performanceReport(const QDateTime &_from, const QDateTime &_to,
 }
 
 
+/**
+ * @fn plugin
+ */
+QueuedResult<QVariantHash> QueuedCore::plugin(const QString &_plugin,
+                                              const QString &_token)
+{
+    qCDebug(LOG_LIB) << "Get data for plugin" << _plugin;
+
+    return m_impl->plugin(_plugin, _token);
+}
+
+
 /**
  * @fn pluginSettings
  */
-QVariantHash QueuedCore::pluginSettings(const QString &_plugin)
+QueuedResult<QVariantHash> QueuedCore::pluginSettings(const QString &_plugin,
+                                                      const QString &_token)
 {
     qCDebug(LOG_LIB) << "Get plugin settings for" << _plugin;
 
-    return m_impl->pluginSettings(_plugin);
+    return m_impl->pluginSettings(_plugin, _token);
 }
 
 
diff --git a/sources/queued/src/QueuedCoreAdaptor.cpp b/sources/queued/src/QueuedCoreAdaptor.cpp
index 726b3bd..84e7e14 100644
--- a/sources/queued/src/QueuedCoreAdaptor.cpp
+++ b/sources/queued/src/QueuedCoreAdaptor.cpp
@@ -287,6 +287,31 @@ QueuedResult<bool> QueuedCoreAdaptor::sendUserPermissionRemove(
 }
 
 
+/**
+ * @fn getPlugin
+ */
+QueuedResult<QueuedPluginSpecification::Plugin>
+QueuedCoreAdaptor::getPlugin(const QString &_plugin, const QString &_token)
+{
+    qCDebug(LOG_DBUS) << "Get information for plugin" << _plugin;
+
+    QVariantList args = {_plugin, _token};
+
+    auto result = sendRequest<QVariantHash>(
+        QueuedConfig::DBUS_SERVICE, QueuedConfig::DBUS_PROPERTY_PATH,
+        QueuedConfig::DBUS_SERVICE, "Plugin", args);
+
+    QueuedResult<QueuedPluginSpecification::Plugin> output;
+    result.match(
+        [&output](const QVariantHash &res) {
+            output = QueuedPluginSpecification::readSpecification(res);
+        },
+        [&output](const QueuedError &err) { output = err; });
+
+    return output;
+}
+
+
 /**
  * @fn getOption
  */
diff --git a/sources/queued/src/QueuedCorePrivate.cpp b/sources/queued/src/QueuedCorePrivate.cpp
index 95f5a95..0b28f34 100644
--- a/sources/queued/src/QueuedCorePrivate.cpp
+++ b/sources/queued/src/QueuedCorePrivate.cpp
@@ -383,13 +383,38 @@ QueuedResult<QList<QVariantHash>> QueuedCorePrivate::performanceReport(
 }
 
 
+/**
+ * @fn plugin
+ */
+QueuedResult<QVariantHash> QueuedCorePrivate::plugin(const QString &_plugin,
+                                                     const QString &_token)
+{
+    bool isAdmin = m_users->authorize(_token, QueuedEnums::Permission::Admin);
+    if (!isAdmin)
+        return QueuedError("Not allowed",
+                           QueuedEnums::ReturnStatus::InsufficientPermissions);
+
+    auto spec = m_plugins->loadSpecification(_plugin);
+    auto map = QueuedPluginSpecification::dumpSpecification(spec);
+    // do something if we need
+
+    return map;
+}
+
+
 /**
  * @fn pluginSettings
  */
-QVariantHash QueuedCorePrivate::pluginSettings(const QString &_plugin)
+QueuedResult<QVariantHash>
+QueuedCorePrivate::pluginSettings(const QString &_plugin, const QString &_token)
 {
     qCDebug(LOG_LIB) << "Get plugin settings for" << _plugin;
 
+    bool isAdmin = m_users->authorize(_token, QueuedEnums::Permission::Admin);
+    if (!isAdmin)
+        return QueuedError("Not allowed",
+                           QueuedEnums::ReturnStatus::InsufficientPermissions);
+
     auto dbSettings
         = m_database->get(QueuedDB::SETTINGS_TABLE,
                           QString("WHERE key LIKE 'Plugin.%1.%'").arg(_plugin));
@@ -401,6 +426,15 @@ QVariantHash QueuedCorePrivate::pluginSettings(const QString &_plugin)
                       settings[key] = value["value"];
                   });
 
+    // append default
+    auto spec = m_plugins->loadSpecification(_plugin);
+    QVariantHash defaultOpts;
+    for (auto &opt : spec.options) {
+        if (settings.contains(opt.name))
+            continue;
+        settings[opt.name] = opt.defaultValue;
+    }
+
     return settings;
 }
 
diff --git a/sources/queued/src/QueuedCorePrivateHelper.cpp b/sources/queued/src/QueuedCorePrivateHelper.cpp
index 03fd608..b1d272e 100644
--- a/sources/queued/src/QueuedCorePrivateHelper.cpp
+++ b/sources/queued/src/QueuedCorePrivateHelper.cpp
@@ -258,7 +258,9 @@ QueuedCorePrivateHelper::editPluginPrivate(const QString &_plugin,
 
     QueuedResult<bool> r;
     if (_add && !pluginList.contains(_plugin)) {
-        if (plugins()->loadPlugin(_plugin, m_core->pluginSettings(_plugin))) {
+        auto settings = m_core->pluginSettings(_plugin, m_core->m_adminToken);
+        if ((settings.type() == Result::Content::Value)
+            && (plugins()->loadPlugin(_plugin, settings.get()))) {
             pluginList.append(_plugin);
             r = true;
         }
diff --git a/sources/queued/src/QueuedCorePrivateInitializator.cpp b/sources/queued/src/QueuedCorePrivateInitializator.cpp
index 7a672b3..17d01eb 100644
--- a/sources/queued/src/QueuedCorePrivateInitializator.cpp
+++ b/sources/queued/src/QueuedCorePrivateInitializator.cpp
@@ -112,8 +112,16 @@ void QueuedCorePrivate::initPlugins()
               .split('\n');
 
     m_plugins = m_helper->initObject(m_plugins, m_adminToken);
-    for (auto &plugin : pluginList)
-        m_plugins->loadPlugin(plugin, pluginSettings(plugin));
+    for (auto &plugin : pluginList) {
+        auto settings = pluginSettings(plugin, m_adminToken);
+        settings.match(
+            [this, &plugin](const QVariantHash &opts) {
+                m_plugins->loadPlugin(plugin, opts);
+            },
+            [&plugin](const QueuedError &) {
+                qCWarning(LOG_LIB) << "Could not load settings for" << plugin;
+            });
+    }
 }
 
 
diff --git a/sources/queued/src/QueuedPluginManager.cpp b/sources/queued/src/QueuedPluginManager.cpp
index 5bd741b..b4a6f47 100644
--- a/sources/queued/src/QueuedPluginManager.cpp
+++ b/sources/queued/src/QueuedPluginManager.cpp
@@ -55,7 +55,7 @@ QueuedPluginManager::~QueuedPluginManager()
     for (auto &plugin : plugins)
         unloadPlugin(plugin);
 
-    delete m_interface;
+    m_interface->deleteLater();
 }
 
 
@@ -143,6 +143,29 @@ bool QueuedPluginManager::loadPlugin(const QString &_name,
 }
 
 
+QueuedPluginSpecification::Plugin
+QueuedPluginManager::loadSpecification(const QString &_name)
+{
+    qCDebug(LOG_PL) << "Load specification for" << _name;
+
+    QString jsonName = QString("%1.json").arg(_name);
+    QString path;
+    for (auto &dir : pluginLocations()) {
+        if (!QDir(dir).entryList(QDir::Files).contains(jsonName))
+            continue;
+        path = QString("%1/%2").arg(dir).arg(jsonName);
+        break;
+    }
+
+    if (path.isEmpty()) {
+        qCWarning(LOG_PL) << "Could not find" << jsonName;
+        return QueuedPluginSpecification::Plugin();
+    } else {
+        return QueuedPluginSpecification::readSpecification(path);
+    }
+}
+
+
 /**
  * @fn pluginLocations
  */
diff --git a/sources/queued/src/QueuedPluginSpecification.cpp b/sources/queued/src/QueuedPluginSpecification.cpp
new file mode 100644
index 0000000..5c97e07
--- /dev/null
+++ b/sources/queued/src/QueuedPluginSpecification.cpp
@@ -0,0 +1,115 @@
+/*
+ * Copyright (c) 2017 Queued team
+ *
+ * Permission is hereby granted, free of charge, to any person obtaining a copy
+ * of this software and associated documentation files (the "Software"), to deal
+ *
+ * in the Software without restriction, including without limitation the rights
+ * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
+ * copies of the Software, and to permit persons to whom the Software is
+ * furnished to do so, subject to the following conditions:
+ *
+ * The above copyright notice and this permission notice shall be included in
+ * all copies or substantial portions of the Software.
+ */
+/**
+ * @file QueuedPluginSpecification.cpp
+ * Source code of queued library
+ * @author Queued team
+ * @copyright MIT
+ * @bug https://github.com/arcan1s/queued/issues
+ */
+
+
+#include <queued/Queued.h>
+
+#include <QFile>
+#include <QJsonParseError>
+
+
+/**
+ * @fn dumpSpecification
+ */
+QVariantHash QueuedPluginSpecification::dumpSpecification(const Plugin &_plugin)
+{
+    QVariantHash output = {{"author", _plugin.author},
+                           {"description", _plugin.description},
+                           {"homepage", _plugin.homepage},
+                           {"license", _plugin.license}};
+
+    QVariantHash options;
+    for (auto opt : _plugin.options)
+        options[opt.name] = QVariantHash({{"default", opt.defaultValue},
+                                          {"description", opt.description},
+                                          {"type", opt.type}});
+    output["options"] = options;
+
+    return output;
+}
+
+
+/**
+ * @fn readSpecification
+ */
+QueuedPluginSpecification::Plugin
+QueuedPluginSpecification::readSpecification(const QString &_path)
+{
+    qCDebug(LOG_PL) << "Read specification from" << _path;
+
+    QFile jsonFile(_path);
+    if (!jsonFile.open(QIODevice::ReadOnly | QIODevice::Text)) {
+        qCWarning(LOG_LIB) << "Could not open" << _path;
+        return QueuedPluginSpecification::Plugin();
+    }
+    QString jsonText = jsonFile.readAll();
+    jsonFile.close();
+
+    QJsonParseError error;
+    QJsonDocument jsonDoc = QJsonDocument::fromJson(jsonText.toUtf8(), &error);
+    if (error.error != QJsonParseError::NoError) {
+        qCWarning(LOG_LIB) << "Parse error" << error.errorString();
+        return QueuedPluginSpecification::Plugin();
+    }
+    auto map = jsonDoc.toVariant().toMap();
+
+    // convert to hash
+    QVariantHash hash;
+    QVariantMap::const_iterator it;
+    for (it = map.constBegin(); it != map.constEnd(); ++it)
+        hash[it.key()] = it.value();
+
+    return readSpecification(hash);
+}
+
+
+/**
+ * @fn readSpecification
+ */
+QueuedPluginSpecification::Plugin
+QueuedPluginSpecification::readSpecification(const QVariantHash &_map)
+{
+    qCDebug(LOG_PL) << "Read specification from" << _map;
+
+    QueuedPluginSpecification::Plugin plugin;
+
+    // easy part
+    plugin.author = _map["author"].toString();
+    plugin.description = _map["description"].toString();
+    plugin.homepage = _map["homepage"].toString();
+    plugin.license = _map["license"].toString();
+
+    // now lets try to parse options
+    auto options = _map["options"].toMap();
+    for (auto &option : options.keys()) {
+        auto optionMap = options[option].toMap();
+
+        QueuedPluginSpecification::PluginOption optionObj;
+        optionObj.name = option;
+        optionObj.defaultValue = optionMap["default"];
+        optionObj.description = optionMap["description"].toString();
+        optionObj.type = optionMap["type"].toString();
+        plugin.options.append(optionObj);
+    }
+
+    return plugin;
+}
diff --git a/sources/queued/src/QueuedProcessManager.cpp b/sources/queued/src/QueuedProcessManager.cpp
index 3da7d64..52ca1a5 100644
--- a/sources/queued/src/QueuedProcessManager.cpp
+++ b/sources/queued/src/QueuedProcessManager.cpp
@@ -40,6 +40,8 @@ QueuedProcessManager::QueuedProcessManager(QObject *_parent)
     qCDebug(LOG_LIB) << __PRETTY_FUNCTION__;
 
     qRegisterMetaType<QueuedEnums::ExitAction>("QueuedEnums::ExitAction");
+
+    m_onExit = QueuedEnums::ExitAction::Terminate;
 }
 
 
diff --git a/sources/queued/src/QueuedPropertyInterface.cpp b/sources/queued/src/QueuedPropertyInterface.cpp
index 9e0f080..7ca6623 100644
--- a/sources/queued/src/QueuedPropertyInterface.cpp
+++ b/sources/queued/src/QueuedPropertyInterface.cpp
@@ -41,6 +41,9 @@ QueuedPropertyInterface::QueuedPropertyInterface(QueuedCore *parent)
 
     qRegisterMetaType<QueuedResult<QVariant>>("QueuedResult<QVariant>");
     qDBusRegisterMetaType<QueuedResult<QVariant>>();
+
+    qRegisterMetaType<QueuedResult<QVariantHash>>("QueuedResult<QVariantHash>");
+    qDBusRegisterMetaType<QueuedResult<QVariantHash>>();
 }
 
 
@@ -53,6 +56,18 @@ QueuedPropertyInterface::~QueuedPropertyInterface()
 }
 
 
+/**
+ * @fn Plugin
+ */
+QDBusVariant QueuedPropertyInterface::Plugin(const QString &plugin,
+                                             const QString &token)
+{
+    qCDebug(LOG_DBUS) << "Get plugin" << plugin;
+
+    return QueuedCoreAdaptor::toDBusVariant(m_core->plugin(plugin, token));
+}
+
+
 /**
  * @fn Option
  */