diff --git a/src/Attribute/Operation.php b/src/Attribute/Operation.php
index ad76fc4..743c3a6 100644
--- a/src/Attribute/Operation.php
+++ b/src/Attribute/Operation.php
@@ -16,4 +16,16 @@ public function __construct(
         public array $channels = [],
     ) {
     }
+
+    public function toArray(): array
+    {
+        return [
+            'name' => $this->name,
+            'type' => $this->type->value,
+            'channels' => array_map(
+                static fn (Channel $channel) => $channel->toArray(),
+                $this->channels
+            ),
+        ];
+    }
 }
diff --git a/src/Schema/V3/OperationRenderer.php b/src/Schema/V3/OperationRenderer.php
index 47910fc..ac86384 100644
--- a/src/Schema/V3/OperationRenderer.php
+++ b/src/Schema/V3/OperationRenderer.php
@@ -8,6 +8,19 @@
 {
     public function render(array $document): array
     {
-        return [];
+        $operations = [];
+
+        foreach ($document['operations'] as $operation) {
+            foreach ($operation['channels'] as $channel) {
+                $operations[$operation['name']] = [
+                    'action' => $operation['type'],
+                    'channel' => [
+                         '$ref' => '#/channels/' . $channel['name'],
+                    ],
+                ];
+            }
+        }
+
+        return $operations;
     }
 }
diff --git a/tests/Unit/Schema/V3/OperationRendererTest.php b/tests/Unit/Schema/V3/OperationRendererTest.php
index bd87481..ddc835f 100644
--- a/tests/Unit/Schema/V3/OperationRendererTest.php
+++ b/tests/Unit/Schema/V3/OperationRendererTest.php
@@ -14,17 +14,30 @@ public function testItRendersSendAction(): void
     {
         $renderer = new OperationRenderer();
 
-        $document = [];
+        $document = [
+            'name' => 'UserSignedUp',
+            'properties' => [],
+            'operations' => [
+                [
+                    'name' => 'UserSignedUpOperation',
+                    'type' => 'send',
+                    'channels' => [
+                        [
+                            'name' => 'UserSignedUpChannel',
+                            'type' => 'subscribe',
+                        ]
+                    ],
+                ]
+            ],
+        ];
 
         $actual = $renderer->render($document);
 
         $expected = [
             'UserSignedUpOperation' => [
                 'action' => 'send',
-                'messages' => [
-                    'UserSignedUp' => [
-                        '$ref' => '#/components/messages/UserSignedUp',
-                    ]
+                'channel' => [
+                    '$ref' => '#/channels/UserSignedUpChannel',
                 ]
             ]
         ];
@@ -36,7 +49,22 @@ public function testItRendersReceiveAction(): void
     {
         $renderer = new OperationRenderer();
 
-        $document = [];
+        $document = [
+            'name' => 'UserSignedUp',
+            'properties' => [],
+            'operations' => [
+                [
+                    'name' => 'UserSignedUpOperation',
+                    'type' => 'receive',
+                    'channels' => [
+                        [
+                            'name' => 'UserSignedUpChannel',
+                            'type' => 'subscribe',
+                        ]
+                    ],
+                ]
+            ],
+        ];
 
         $actual = $renderer->render($document);
 
@@ -44,7 +72,7 @@ public function testItRendersReceiveAction(): void
             'UserSignedUpOperation' => [
                 'action' => 'receive',
                 'channel' => [
-                    '$ref' => '#/channels/UserSignedUpChannel'
+                    '$ref' => '#/channels/UserSignedUpChannel',
                 ]
             ]
         ];