diff --git a/redmine.php b/redmine.php
index 0b33e01..f6e3b0f 100644
--- a/redmine.php
+++ b/redmine.php
@@ -1,11 +1,22 @@
-<?php # Redmine Api
+<?php
+/**
+ * Class provides connection to a-real redmine api.
+ * Use class_bitrix_to_redmine 
+ *
+ * @package redmine_api
+ * @author Mikhail Grebenkin <mix@m14xa.ru>
+ */
 
 class class_redmine {
     protected $redmine_key = '';
     protected $redmine_url = '';
 
-
-    //files
+    /**
+    * Upload $filecontent and return token.
+    *
+    * @param mixed $filecontent - content of file
+    * @return mixed $token is object, string can be obtained in $token->upload->token
+    */
     function get_upload_token($filecontent) {
         $upload_url = $this->redmine_url.'uploads.json?key='.$this->redmine_key;
         $request['type'] = 'post';
@@ -13,7 +24,16 @@ class class_redmine {
         return $token = $this->curl_redmine($upload_url,$request,$filecontent);
     }
 
-    function uploadd_attachment(string $issue_id, string $filename, string $filetype, $filecontent){
+    /**
+    * Uploads an attachment, attaches it to  an issue and returns updated issue
+    *
+    * @param string $issue_id numeric id of issue to attach file
+    * @param string $filename name of file
+    * @param string $filetype type of content i.e. "image/png"
+    * @param mixed $filecontent content of file.
+    * @return mixed $issue updated issue 
+    */
+    function upload_attachment(string $issue_id, string $filename, string $filetype, $filecontent){
         $token = $this->get_upload_token($filecontent);
         if (!$token) {
             return null;
@@ -22,6 +42,14 @@ class class_redmine {
         return $this->attach_to_issue($issue_id,$upload_token, $filename, $filetype);
     }
 
+    /**
+    * Download an attachment or thumbnail
+    *
+    * @param string $attachment_id numeric id of attachment
+    * @param bool $thumbnail if true downloading thumbnail
+
+    * @return mixed $filecontent - content of file
+    */
     function download_attachment(string $attachment_id, bool $thumbnail=false) {
         if ($thumbnail) {
         $file_url = $this->redmine_url.'attachments/thumbnail/'.$attachment_id.'?key='.$this->redmine_key;
@@ -39,7 +67,12 @@ class class_redmine {
         }
     }
 
-    //Issue
+    /**
+    * Create issue
+    *
+    * @param $post_data - string to post to redmine (need to update)
+    * @return mixed $issue - new data
+    */
     function create_issue($post_data) {
         $issue_url = $this->redmine_url.'issues.json?key='.$this->redmine_key;
         $request['type'] = 'post';
@@ -47,6 +80,14 @@ class class_redmine {
         return $this->curl_redmine($issue_url,$request,$post_data);
     }
 
+    /**
+    * get issue
+    *
+    * @param string $issue_id numeric issue id
+    * @param string $project_id numeric project id
+    * @param array  $inc array of string with options to include. Example: array( 0 => "journals", 1 => "attachments" );
+    * @return mixed $issue - new data
+    */
     function get_issue(string $issue_id='',string $project_id='', array $inc=array()) {
         if (count($inc) > 0) {
                 $inc = implode(",", $inc);
@@ -64,6 +105,15 @@ class class_redmine {
     return $this->curl_redmine($issue_url);
     }
 
+    /**
+    * get issue
+    *
+    * @param string $issue_id digits only issue id
+    * @param string $upload_token digits only project id
+    * @param string $upload_token
+    * @param array  $inc array of string with options to include. Example: array( 0 => "journals", 1 => "attachments" );
+    * @return mixed $issue - new data
+    */
     function attach_to_issue(string $issue_id,string $upload_token, string $filename, string $filetype) {
         $issue_url = $this->redmine_url.'issues/'.$issue_id.'.json?key='.$this->redmine_key;
         $update = array( "issue" => array( 
@@ -80,6 +130,13 @@ class class_redmine {
         return $this->curl_redmine($issue_url, $request , $post_data);
     }
 
+    /**
+    * add comment to issue
+    *
+    * @param string $issue_id digits only issue id
+    * @param string $comment comment to add to the issue
+    * @return mixed $issue - new data
+    */
     function post_issue_comment(string $issue_id,string $comment) {
         $issue_url = $this->redmine_url.'issues/'.$issue_id.'.json?key='.$this->redmine_key;
         $update = array( "issue" => array(
@@ -93,6 +150,7 @@ class class_redmine {
         return $this->curl_redmine($issue_url, $request , $post_data);
     }
 
+
     //Projects
     function  get_projects($project_id='') {
         $proj_url = ($project_id=='')?$this->redmine_url.'projects.json?key='.$this->redmine_key : $this->redmine_url.'projects/'.$project_id.'.json?key='.$this->redmine_key;          
@@ -110,11 +168,12 @@ class class_redmine {
         return $this->curl_redmine($cont_url);
     }
 
-    function get_contact_id(int $id, bool $issues) {
+    function get_contact_id(string $id, bool $issues) {
         $cont_url = ($issues) 
             ? $this->redmine_url."contacts/$id.json?key=".$this->redmine_key.'&include=issues' 
             : $this->redmine_url."contacts/$id.json?key=".$this->redmine_key;
-        return $this->curl_redmine($cont_url, array(),'');
+        echo($cont_url);
+        return $this->curl_redmine($cont_url);
     }
 
     function create_contact(array $contact) {
@@ -125,6 +184,54 @@ class class_redmine {
         return $this->curl_redmine($cont_url,$request,$post_data);
     }
 
+    /**
+    * attach contact to issue
+    *
+    * @param string $issue_id digits only issue id
+    * @param string $contact_id digits only contact id
+    * @return mixed $issue - new data
+    */
+    function attach_issue_to_contact(string $issue_id,string $contact_id) {
+        $contact_url = $this->redmine_url."contacts/".$contact_id."?key=".$this->redmine_key;
+        $update = array( "contact" => array(
+            "issues"=> array( 0=> array("id" => $issue_id))
+            )
+        );
+        $request['type'] = 'put';
+        $request['content_type'] = 'application/json';
+
+        $post_data = json_encode($update);
+        return $this->curl_redmine($contact_url, $request , $post_data);
+    }
+
+    function create_ticket(string $contact_id, string $subject, string $description) {
+        $issue_url = $this->redmine_url."helpdesk/create_ticket.xml?key=".$this->redmine_key;
+        $issue = array( "ticket" => array (
+            "issue" => array(
+                "project_id" => "xtesx",
+                "tracker_id" => "3",
+                "subject" => $subject,
+                "description"=> $description,
+            ),
+            "contact" => array ("id" => $contact_id),
+        ));
+        $issue_xml = "<?xml version=\"1.0\"?>
+        <ticket>
+          <issue>
+            <project_id></project_id>
+            <tracker_id>3</tracker_id>
+            <subject>$subject</subject>
+            <description>$description</description>
+          </issue>
+          <contact>
+            <id>$contact_id</id>
+          </contact>
+        </ticket>";
+        $request['type'] = 'post';
+        $request['content_type'] = 'application/xml';
+        return $this->curl_redmine($issue_url, $request, $issue_xml );
+    }
+
     //Curl
     function curl_redmine(string $redmine_url,array $request=array(),string $post_data='') {
         if(!isset($request['type'])){ $request['type']=null; }
diff --git a/$screenshot_download.png b/screenshot_download.png
similarity index 100%
rename from $screenshot_download.png
rename to screenshot_download.png
diff --git a/screenshot_eskiz.png b/screenshot_eskiz.png
new file mode 100644
index 0000000..1351219
Binary files /dev/null and b/screenshot_eskiz.png differ
diff --git a/tester.php b/tester.php
index c0e0b27..432d75a 100644
--- a/tester.php
+++ b/tester.php
@@ -46,7 +46,15 @@ $test_contact = array("contact" => array("first_name" => "Test testing",
 
 
 // $res = $obj_redmine->send_contact($data);
-// $res = $obj_redmine->get_contact_id(2906, true);
+//$res = $obj_redmine->get_contact_id("3373", true);
+//var_dump($res);
+
+$inc=array(0 => "contacts");
+$res = $obj_redmine->get_issue($issue_id="10442", '', $inc);
+//var_dump($res);
+$res = $obj_redmine->create_ticket("3373", "One more test", "test test one more");
+
+var_dump($res);
 
 //$filecontent = file_get_contents("screenshot.png");
 //$token = $obj_redmine->get_upload_token($filecontent);
@@ -57,16 +65,16 @@ $test_contact = array("contact" => array("first_name" => "Test testing",
 
 //$filecontent = file_get_contents("screenshot.png");
 
-//echo($obj_redmine->uploadd_attachment('10314', 'screenshot.png', 'image/png', $filecontent));
+// echo($obj_redmine->upload_attachment('10314', 'screenshot.png', 'image/png', $filecontent));
 
-$inc = array( 0 => "journals",
-              1 => "attachments"
-            );
+//$inc = array( 0 => "journals",
+//              1 => "attachments"
+//            );
 
-$res = $obj_redmine->get_issue('10314', '', $inc);
-var_dump($res);
+//$res = $obj_redmine->get_issue('10314', '', $inc);
+//var_dump($res);
 
-$res = $obj_redmine->download_attachment('5152');
-file_put_contents('$screenshot_download.png', $res);
+//$res = $obj_redmine->download_attachment('5152', true);
+//file_put_contents('screenshot_eskiz.png', $res);
 
 ?>
\ No newline at end of file