diff --git a/example/example.py b/example/example.py
index 4fba584..b416bb5 100644
--- a/example/example.py
+++ b/example/example.py
@@ -1,5 +1,6 @@
 import logging
 import os.path
+import os
 
 import selenium.webdriver
 
@@ -8,6 +9,11 @@ import selenium_helper
 
 def main():
     logger = logging.getLogger(__name__)
+
+    if "FIREFOX_PROXY" not in os.environ:
+        logger.error("Setup FIREFOX_PROXY in environment and try again!")
+        raise SystemExit(1)
+
     profile = selenium.webdriver.FirefoxProfile()
     # отключаем предупреждение при открытии about:config
     profile.set_preference("browser.aboutConfig.showWarning", False)
@@ -21,12 +27,14 @@ def main():
 
     try:
         selenium_helper_extention = selenium_helper.SeleniumHelperExtension(driver)
-        selenium_helper_extention.install(os.path.abspath("releases/selenium_helper-0.0.4-fx.xpi"))
-        proxy = "http://username:password@host:port"
+        selenium_helper_extention.install(os.path.abspath("releases/selenium_helper-0.0.6-fx.xpi"))
+        # http://username:password@host:port
+        proxy = os.environ["FIREFOX_PROXY"]
         cookies = [
             selenium_helper.Cookie(name="cookie", value="test", url="https://whoer.net")
         ]
-        selenium_helper_extention.begin_options().set_proxy(proxy).set_cookies(cookies).apply_options()
+
+        selenium_helper_extention.begin_options().push(proxy, cookies, {})
 
         driver.get("https://whoer.net/")
         input("Enter to exit...")
diff --git a/example/selenium_helper.py b/example/selenium_helper.py
index 8c0f0f4..4f5d780 100644
--- a/example/selenium_helper.py
+++ b/example/selenium_helper.py
@@ -9,7 +9,7 @@ import copy
 import json
 import urllib.parse
 from functools import lru_cache
-from typing import List
+from typing import List, Dict
 
 from selenium.common.exceptions import NoSuchElementException
 from selenium.webdriver import Firefox
@@ -21,6 +21,7 @@ OPTION_PROXY_PORT = "proxy_port"
 OPTION_PROXY_USERNAME = "proxy_username"
 OPTION_PROXY_PASSWORD = "proxy_password"
 OPTION_PROXY_COOKIES = "proxy_cookies"
+OPTION_HEADERS = "headers"
 
 
 class NoAddonException(Exception):
@@ -142,18 +143,18 @@ class Cookie(dict):
     @path.deleter
     def path(self):
         del self["path"]
-    
+
     @property
     def same_site(self):
         """A cookies.SameSiteStatus value that indicates the SameSite state of the cookie.
         If omitted, it defaults to 0, 'no_restriction'.
         https://developer.mozilla.org/en-US/docs/Mozilla/Add-ons/WebExtensions/API/cookies/SameSiteStatus"""
         return self.get("sameSite")
-    
+
     @same_site.setter
     def same_site(self, value):
         self["sameSite"] = value
-    
+
     @same_site.deleter
     def same_site(self):
         del self["sameSite"]
@@ -226,7 +227,8 @@ class SeleniumHelperExtension:
         OPTION_PROXY_PORT: "port",
         OPTION_PROXY_USERNAME: "username",
         OPTION_PROXY_PASSWORD: "password",
-        OPTION_PROXY_COOKIES: "cookies"
+        OPTION_PROXY_COOKIES: "cookies",
+        OPTION_HEADERS: "headers"
     }
 
     def __init__(self, driver: Firefox, raise_for_about_config=True):
@@ -277,8 +279,11 @@ class SeleniumHelperExtension:
         self._fill_option(OPTION_PROXY_TYPE, proxy.scheme)
         self._fill_option(OPTION_PROXY_HOST, proxy.hostname)
         self._fill_option(OPTION_PROXY_PORT, proxy.port)
-        self._fill_option(OPTION_PROXY_USERNAME, proxy.username)
-        self._fill_option(OPTION_PROXY_PASSWORD, proxy.password)
+        try:
+            self._fill_option(OPTION_PROXY_USERNAME, proxy.username)
+            self._fill_option(OPTION_PROXY_PASSWORD, proxy.password)
+        except TypeError:
+            pass
         return self
 
     def set_cookies(self, cookies: List[Cookie], default_url=None, ignore_errors=False):
@@ -292,10 +297,35 @@ class SeleniumHelperExtension:
         self._fill_option(OPTION_PROXY_COOKIES, value)
         return self
 
+    def set_headers(self, headers: List[Dict[str, str]]):
+        """устанавливаем заголовки браузера, для всех запросов."""
+        value = json.dumps(headers)
+        self._fill_option(OPTION_HEADERS, value)
+        return self
+
+    def push(self, proxy, cookies, headers):
+
+        if proxy:
+            proxy = urllib.parse.urlparse(proxy)
+            proxy = {
+                "type": proxy.scheme,
+                "host": proxy.hostname,
+                "port": proxy.port,
+                "username": proxy.username,
+                "password": proxy.password
+            }
+
+        js = f"""saveOptionsEx({json.dumps(proxy)}, {json.dumps(cookies)}, {json.dumps(headers)});"""
+        self._driver.execute_script(js)
+        return self
+
     def apply_options(self):
         """сохраняем изменения сделанные на странице настроек"""
         self._driver.find_element_by_id("submit").click()
 
+    def clear_cookies(self, cookies: List[Cookie], default_url=None, ignore_errors=False):
+        return self._clear_cookies(cookies, default_url, ignore_errors)
+
     def _clear_cookies(self, cookies: List[Cookie], default_url=None, ignore_errors=False):
         clear_value = []
 
diff --git a/releases/selenium_helper-0.0.4-fx.xpi b/releases/selenium_helper-0.0.6-fx.xpi
similarity index 58%
rename from releases/selenium_helper-0.0.4-fx.xpi
rename to releases/selenium_helper-0.0.6-fx.xpi
index 5da9238..44c9d0e 100644
Binary files a/releases/selenium_helper-0.0.4-fx.xpi and b/releases/selenium_helper-0.0.6-fx.xpi differ