diff --git a/src/Client.php b/src/Client.php
index bd8cb09..e031635 100644
--- a/src/Client.php
+++ b/src/Client.php
@@ -29,16 +29,19 @@ class Client{
 		curl_setopt($ch, CURLOPT_AUTOREFERER, true);
 		curl_setopt($ch, CURLOPT_FOLLOWLOCATION, true);
 
-		if($type!='GET'){
+		if($type!='GET' && $type!='FORM'){
 			curl_setopt($ch, CURLOPT_CUSTOMREQUEST, $type);
 		}
-
-		if (!is_null($postFields)) {
-			$postFields = json_encode($postFields);
+		if(!is_null($postFields)) {
+			if($type=='FORM'){
+				curl_setopt($ch, CURLOPT_HTTPHEADER, ['Content-Type: multipart/form-data']);
+			}else{
+				$postFields = json_encode($postFields);
+				curl_setopt($ch, CURLOPT_HTTPHEADER, ['Content-Type: application/json',
+				'Content-Length: '.strlen($postFields), ]);
+			}
 			curl_setopt($ch, CURLOPT_POST, true);
 			curl_setopt($ch, CURLOPT_POSTFIELDS, $postFields);
-			curl_setopt($ch, CURLOPT_HTTPHEADER, ['Content-Type: application/json',
-			'Content-Length: '.strlen($postFields), ]);
 		}
 		if($this->user) {
 			curl_setopt($ch, CURLOPT_HTTPAUTH, CURLAUTH_BASIC);
diff --git a/src/Repo.php b/src/Repo.php
index 683cad5..7f2798b 100644
--- a/src/Repo.php
+++ b/src/Repo.php
@@ -89,4 +89,11 @@ class Repo{
     return new Issue($this,$data);
   }
 
+  public function addAttachment($path,$type='image/png'){
+    $url="repos/{$this->user}/{$this->repo}/releases/1/assets?name=test";
+    $args=['attachment'=>new \CurlFile($path, $type, 'filename.png')];
+    $data=$this->client->request($url,'FORM',$args);
+    return $data;
+  }
+
 }