change code in some code

app/Services/FMS/GetErrorRateService.php

@@ -10,13 +10,11 @@ class GetErrorRateService
 {
     protected string $url;
     protected string $channelName;
-    protected string $password;
-    protected string $username;
     protected array $inputParameters;
 
     public function __construct()
     {
-        $this->username = config('fms_web_services.Error_Rate.username');
+        $this->url = config('fms_web_services.Error_Rate.url');
         $this->channelName = 'fms_error_rate';
     }
 
@@ -48,9 +46,10 @@ class GetErrorRateService
     public function sendRequest(): array
     {
         return Http::withHeaders(['Content-Type' => 'application/json'])
+            ->withBody(json_encode($this->inputParameters))
             ->throw()
             ->withoutVerifying()
-            ->post($this->url, $this->inputParameters)
+            ->post($this->url)
             ->json();
     }
 }