diff --git a/src/Sendloop/SendloopAPI3.php b/src/Sendloop/SendloopAPI3.php
index 00cc74e..14fdd69 100644
--- a/src/Sendloop/SendloopAPI3.php
+++ b/src/Sendloop/SendloopAPI3.php
@@ -57,7 +57,13 @@ public function run($APICommand,$Parameters) {
 
 		$ParametersArray = array('APIKey='.$this->APIKey);
 		foreach ($Parameters as $Key => $Value) {
-			$ParametersArray[] = "$Key=$Value";
+			if (is_array($Value)) {
+				foreach ($Value as $V_Key => $V_Value) {
+					$ParametersArray[] = $Key."[".$V_Key."]=".$V_Value;
+				}
+			} else {
+				$ParametersArray[] = "$Key=$Value";
+			}
 		}
 		$ParametersString = implode('&',$ParametersArray);
 
@@ -80,4 +86,4 @@ public function run($APICommand,$Parameters) {
 	}
 
 
-}
\ No newline at end of file
+}