Add the pool_id parameter to Domain::create()

Author: RoyHP

src/Api/Domain.php

@@ -84,10 +84,11 @@ public function show(string $domain)
      * @param bool     $wildcard           domain will accept email for subdomains
      * @param bool     $forceDkimAuthority force DKIM authority
      * @param string[] $ips                an array of ips to be assigned to the domain
+     * @param ?string   $pool_id            pool id to assign to the domain
      *
      * @return CreateResponse|array|ResponseInterface
      */
-    public function create(string $domain, string $smtpPass = null, string $spamAction = null, bool $wildcard = null, bool $forceDkimAuthority = null, ?array $ips = null)
+    public function create(string $domain, string $smtpPass = null, string $spamAction = null, bool $wildcard = null, bool $forceDkimAuthority = null, ?array $ips = null, ?string $pool_id = null)
     {
         Assert::stringNotEmpty($domain);
 
@@ -125,6 +126,12 @@ public function create(string $domain, string $smtpPass = null, string $spamActi
             $params['ips'] = join(',', $ips);
         }
 
+        if (null !== $pool_id) {
+            Assert::stringNotEmpty($pool_id);
+
+            $params['pool_id'] = $pool_id;
+        }
+
         $response = $this->httpPost('/v3/domains', $params);
 
         return $this->hydrateResponse($response, CreateResponse::class);