fixing a syntax error in code example

Classes/EelFilenameTrait.php

@@ -6,6 +6,7 @@ namespace DigiComp\AttachmentViewUtility;
 
 use Neos\Eel\CompilingEvaluator;
 use Neos\Eel\Context;
+use Neos\Eel\EelEvaluatorInterface;
 use Neos\Eel\Helper\ArrayHelper;
 use Neos\Eel\Helper\StringHelper;
 use Neos\Flow\Annotations as Flow;
@@ -47,7 +48,13 @@ trait EelFilenameTrait
             throw new \RuntimeException('Your view options could not be found', 1697550440);
         }
         $expression = $this->options[$this->eelExpressionOptionKey];
-        $context = new Context(\array_merge($variables, [
+
+        return $this->getEelResult($expression, $variables);
+    }
+
+    protected function getEelResult(string $expression, array $contextVariables)
+    {
+        $context = new Context(\array_merge($contextVariables, [
             'Array' => new ArrayHelper(),
             'String' => new StringHelper(),
             'Translation' => new TranslationHelper(),

README.md

@@ -54,5 +54,5 @@ Views.yaml:
   requestFilter: "isController('Default') && isAction('download')"
   viewObjectName: "Acme\\Vendor\\SimpleAttachmentView"
   options:
-    filenameEelExpression: "'hello-' + name + '.txt"
+    filenameEelExpression: "'hello-' + name + '.txt'"
 ```