diff --git a/examples/ClassificationMulticlass/run.php b/examples/ClassificationMulticlass/run.php
index 532bc0d0..f0a7686c 100644
--- a/examples/ClassificationMulticlass/run.php
+++ b/examples/ClassificationMulticlass/run.php
@@ -18,20 +18,19 @@ enum Label : string {
 }
 
 /** Represents analysed ticket data */
-class Ticket {
+class TicketLabels {
     /** @var Label[] */
-    public array $ticketLabels = [];
+    public array $labels = [];
 }
 
 // Perform single-label classification on the input text.
-function multi_classify(string $data) : Ticket {
+function multi_classify(string $data) : TicketLabels {
     return (new Instructor())->respond(
         messages: [[
             "role" => "user",
-            "content" => "Classify following support ticket: {$data}",
+            "content" => "Label following support ticket: {$data}",
         ]],
-        responseModel: Ticket::class,
-        model: "gpt-3.5-turbo-0613",
+        responseModel: TicketLabels::class,
     );
 }
 
@@ -39,6 +38,6 @@ function multi_classify(string $data) : Ticket {
 $ticket = "My account is locked and I can't access my billing info.";
 $prediction = multi_classify($ticket);
 
-assert(in_array(Label::TECH_ISSUE, $prediction->classLabels));
-assert(in_array(Label::BILLING, $prediction->classLabels));
+assert(in_array(Label::TECH_ISSUE, $prediction->labels));
+assert(in_array(Label::BILLING, $prediction->labels));
 dump($prediction);
diff --git a/examples/RestatingInstructions/run.php b/examples/RestatingInstructions/run.php
index 35b1ed37..3b1835e3 100644
--- a/examples/RestatingInstructions/run.php
+++ b/examples/RestatingInstructions/run.php
@@ -18,7 +18,7 @@
  */
 class Role
 {
-    /** Restate the instructions and rules to correctly determine the title. */
+    /** Restate instructions and rules, so you can correctly determine the title. */
     public string $instructions;
     /** Role description */
     public string $description;
@@ -26,6 +26,7 @@ class Role
     public string $title;
 }
 
+/** Details of analyzed user. The key information we're looking for is appropriate role data. */
 class UserDetail
 {
     public string $name;
@@ -33,9 +34,9 @@ class UserDetail
     public Role $role;
 }
 
-$user = (new Instructor)->respond(
-    messages: [["role" => "user",  "content" => "I'm Jason, I'm 28 yo. I am responsible for driving growth of our company."]],
+$instructor = new Instructor;
+$user = ($instructor)->respond(
+    messages: [["role" => "user",  "content" => "I'm Jason, I'm 28 yo. I am the head of Apex Software, responsible for driving growth of our company."]],
     responseModel: UserDetail::class,
 );
-
 dump($user);
diff --git a/src/Instructor.php b/src/Instructor.php
index 89ed91f6..ff599066 100644
--- a/src/Instructor.php
+++ b/src/Instructor.php
@@ -11,7 +11,8 @@
  * Use respond() method to generate structured responses from LLM calls.
  */
 class Instructor {
-    private LLM $llm;
+    protected LLM $llm;
+    protected $messages;
     public $retryPrompt = "Recall function correctly, fix following errors:";
 
     public function __construct(
@@ -89,4 +90,11 @@ public function json() : string {
     public function response() : array {
         return $this->llm->response();
     }
+
+    /**
+     * Most recent request sent to LLM
+     */
+    public function request() : array {
+        return $this->llm->request();
+    }
 }
diff --git a/src/LLMs/OpenAI/LLM.php b/src/LLMs/OpenAI/LLM.php
index 4566adba..93098c62 100644
--- a/src/LLMs/OpenAI/LLM.php
+++ b/src/LLMs/OpenAI/LLM.php
@@ -11,6 +11,7 @@ class LLM implements CanCallFunction
 {
     private Client $client;
     private CreateResponse $response;
+    private array $request;
 
     public function __construct(
         string $apiKey = '',
@@ -34,7 +35,7 @@ public function callFunction(
         string $model = 'gpt-4-0125-preview',
         array $options = []
     ) : string {
-        $this->response = $this->client->chat()->create(array_merge([
+        $this->request = array_merge([
             'model' => $model,
             'messages' => $messages,
             'tools' => [$functionSchema],
@@ -42,7 +43,8 @@ public function callFunction(
                 'type' => 'function',
                 'function' => ['name' => $functionName]
             ]
-        ], $options));
+        ], $options);
+        $this->response = $this->client->chat()->create($this->request);
         return $this->data();
     }
 
@@ -50,6 +52,10 @@ public function response() : array {
         return $this->response->toArray();
     }
 
+    public function request() : array {
+        return $this->request;
+    }
+
     public function data() : string {
         return $this->response->choices[0]->message->toolCalls[0]->function->arguments ?? '';
     }
diff --git a/src/PropertyMap.php b/src/PropertyMap.php
index d74bc7fd..a12066d3 100644
--- a/src/PropertyMap.php
+++ b/src/PropertyMap.php
@@ -8,7 +8,15 @@ class PropertyMap
 {
     private $map = [];
 
-    public function get(string $class, string $property) : Schema
-    {
+    public function register(string $class, string $property, Schema $schema) {
+        $this->map[$class][$property] = $schema;
+    }
+
+    public function get(string $class, string $property) : Schema {
+        return $this->map[$class][$property];
+    }
+
+    public function has(string $class, string $property) : bool {
+        return isset($this->map[$class][$property]);
     }
 }
\ No newline at end of file
diff --git a/src/Schema/PropertyInfoBased/Data/Schema/ObjectRefSchema.php b/src/Schema/PropertyInfoBased/Data/Schema/ObjectRefSchema.php
index 0ac96b53..bcdf2614 100644
--- a/src/Schema/PropertyInfoBased/Data/Schema/ObjectRefSchema.php
+++ b/src/Schema/PropertyInfoBased/Data/Schema/ObjectRefSchema.php
@@ -2,6 +2,8 @@
 
 namespace Cognesy\Instructor\Schema\PropertyInfoBased\Data\Schema;
 
+use Cognesy\Instructor\Schema\PropertyInfoBased\Data\Reference;
+
 class ObjectRefSchema extends Schema
 {
     private string $defsLabel = 'definitions';
diff --git a/src/Schema/PropertyInfoBased/Data/Schema/ObjectSchema.php b/src/Schema/PropertyInfoBased/Data/Schema/ObjectSchema.php
index a571721f..fd5d7721 100644
--- a/src/Schema/PropertyInfoBased/Data/Schema/ObjectSchema.php
+++ b/src/Schema/PropertyInfoBased/Data/Schema/ObjectSchema.php
@@ -31,9 +31,10 @@ public function toArray(callable $refCallback = null) : array
         }
         return array_filter([
             'type' => 'object',
+            'title' => $this->name,
+            'description' => $this->description,
             'properties' => $propertyDefs,
             'required' => $this->required,
-            'description' => $this->description,
         ]);
     }
 }
diff --git a/src/Schema/PropertyInfoBased/Factories/SchemaFactory.php b/src/Schema/PropertyInfoBased/Factories/SchemaFactory.php
index c6681d86..c41d1d2a 100644
--- a/src/Schema/PropertyInfoBased/Factories/SchemaFactory.php
+++ b/src/Schema/PropertyInfoBased/Factories/SchemaFactory.php
@@ -2,6 +2,7 @@
 
 namespace Cognesy\Instructor\Schema\PropertyInfoBased\Factories;
 
+use Cognesy\Instructor\PropertyMap;
 use Cognesy\Instructor\Schema\PropertyInfoBased\Data\Schema\ArraySchema;
 use Cognesy\Instructor\Schema\PropertyInfoBased\Data\Schema\EnumSchema;
 use Cognesy\Instructor\Schema\PropertyInfoBased\Data\Schema\ObjectRefSchema;
@@ -10,6 +11,7 @@
 use Cognesy\Instructor\Schema\PropertyInfoBased\Data\Schema\Schema;
 use Cognesy\Instructor\Schema\PropertyInfoBased\Data\TypeDetails;
 use Cognesy\Instructor\Schema\PropertyInfoBased\Utils\ClassInfo;
+use Cognesy\Instructor\SchemaMap;
 
 /**
  * Factory for creating schema objects from class names
@@ -21,8 +23,13 @@ class SchemaFactory
 {
     /** @var bool allows to render schema with object properties inlined or referenced */
     protected $useObjectReferences = false;
+    protected SchemaMap $schemaMap;
+    protected PropertyMap $propertyMap;
 
-    public function __construct() {}
+    public function __construct() {
+        $this->schemaMap = new SchemaMap;
+        $this->propertyMap = new PropertyMap;
+    }
 
     /**
      * Extracts the schema from a class and constructs a function call
@@ -31,7 +38,59 @@ public function __construct() {}
      */
     public function schema(string $anyType) : Schema
     {
-        return $this->makeSchema((new TypeDetailsFactory)->fromTypeName($anyType), '', '');
+        if (!$this->schemaMap->has($anyType)) {
+            $this->schemaMap->register($anyType, $this->makeSchema((new TypeDetailsFactory)->fromTypeName($anyType)));
+        }
+        return $this->schemaMap->get($anyType);
+    }
+
+    public function property(string $class, string $property) : Schema
+    {
+        if (!$this->propertyMap->has($class, $property)) {
+            $this->propertyMap->register($class, $property, $this->getPropertySchema($class, $property));
+        }
+        return $this->propertyMap->get($class, $property);
+    }
+
+    /**
+     * Gets all the property schemas of a class
+     *
+     * @param string $class
+     * @return Schema[]
+     */
+    protected function getPropertySchemas(string $class) : array {
+        $properties = (new ClassInfo)->getProperties($class);
+        $propertySchemas = [];
+        foreach ($properties as $property) {
+            $propertySchemas[$property] = $this->property($class, $property);
+        }
+        return $propertySchemas;
+    }
+
+    /**
+     * Gets the schema of a property
+     *
+     * @param string $class
+     * @param string $property
+     * @return Schema
+     */
+    protected function getPropertySchema(string $class, string $property) : Schema {
+        $propertyInfoType = (new ClassInfo)->getType($class, $property);
+        $type = (new TypeDetailsFactory)->fromPropertyInfo($propertyInfoType);
+        $description = $this->getPropertyDescription($type, $class, $property);
+        return $this->makePropertySchema($type, $property, $description);
+    }
+
+    protected function getPropertyDescription(TypeDetails $type, string $class, string $property) : string{
+        if (in_array($type->type, ['object', 'enum'])) {
+            $classDescription = (new ClassInfo)->getClassDescription($type->class);
+        } else {
+            $classDescription = '';
+        }
+        return implode("\n", array_filter([
+            (new ClassInfo)->getPropertyDescription($class, $property),
+            $classDescription,
+        ]));
     }
 
     /**
@@ -42,24 +101,28 @@ public function schema(string $anyType) : Schema
      * @param string $description
      * @return Schema
      */
-    protected function makeSchema(TypeDetails $type, string $name, string $description) : Schema
+    protected function makeSchema(TypeDetails $type) : Schema
     {
         return match ($type->type) {
             'object' => new ObjectSchema(
                 $type,
-                $name,
-                $description,
+                $type->class,
+                (new ClassInfo)->getClassDescription($type->class),
                 $this->getPropertySchemas($type->class),
                 (new ClassInfo)->getRequiredProperties($type->class),
             ),
-            'enum' => new EnumSchema($type, $name, $description),
+            'enum' => new EnumSchema(
+                $type,
+                $type->class,
+                (new ClassInfo)->getClassDescription($type->class),
+            ),
             'array' => new ArraySchema(
                 $type,
-                $name,
-                $description,
-                $this->makePropertySchema($type, $name, $description),
+                '',
+                '',
+                $this->makePropertySchema($type, 'item', 'Array item'),
             ),
-            'int', 'string', 'bool', 'float' => new ScalarSchema($type, $name, $description),
+            'int', 'string', 'bool', 'float' => new ScalarSchema($type, 'value', 'Correctly extracted value'),
             default => throw new \Exception('Unknown type: '.$type->type),
         };
     }
@@ -81,7 +144,7 @@ protected function makePropertySchema(TypeDetails $type, string $name, string $d
                 $type,
                 $name,
                 $description,
-                $this->makePropertySchema($type->nestedType, '', ''),
+                $this->makePropertySchema($type->nestedType, 'item', 'Array item'),
             ),
             'int', 'string', 'bool', 'float' => new ScalarSchema($type, $name, $description),
             default => throw new \Exception('Unknown type: ' . $type->type),
@@ -109,33 +172,4 @@ protected function makePropertyObject(TypeDetails $type, string $name, string $d
             (new ClassInfo)->getRequiredProperties($type->class),
         );
     }
-
-    /**
-     * Gets all the property schemas of a class
-     *
-     * @param string $class
-     * @return Schema[]
-     */
-    protected function getPropertySchemas(string $class) : array {
-        $properties = (new ClassInfo)->getProperties($class);
-        $propertySchemas = [];
-        foreach ($properties as $property) {
-            $propertySchemas[$property] = $this->getPropertySchema($class, $property);
-        }
-        return $propertySchemas;
-    }
-
-    /**
-     * Gets the schema of a property
-     *
-     * @param string $class
-     * @param string $property
-     * @return Schema
-     */
-    protected function getPropertySchema(string $class, string $property) : Schema {
-        $propertyInfoType = (new ClassInfo)->getType($class, $property);
-        $propertyDescription = (new ClassInfo)->getDescription($class, $property);
-        $type = (new TypeDetailsFactory)->fromPropertyInfo($propertyInfoType);
-        return $this->makePropertySchema($type, $property, $propertyDescription);
-    }
 }
\ No newline at end of file
diff --git a/src/Schema/PropertyInfoBased/Utils/ClassInfo.php b/src/Schema/PropertyInfoBased/Utils/ClassInfo.php
index a330d6be..47e76e79 100644
--- a/src/Schema/PropertyInfoBased/Utils/ClassInfo.php
+++ b/src/Schema/PropertyInfoBased/Utils/ClassInfo.php
@@ -42,7 +42,13 @@ public function getProperties(string $class) : array {
         return $this->extractor()->getProperties($class) ?? [];
     }
 
-    public function getDescription(string $class, string $property): string {
+    public function getClassDescription(string $class) : string {
+        // get class description from PHPDoc
+        $reflection = new ReflectionClass($class);
+        return DocstringUtils::descriptionsOnly($reflection->getDocComment());
+    }
+
+    public function getPropertyDescription(string $class, string $property): string {
         $extractor = $this->extractor();
         return trim(implode(' ', [
             $extractor->getShortDescription($class, $property),
diff --git a/src/Schema/PropertyInfoBased/Utils/DocstringUtils.php b/src/Schema/PropertyInfoBased/Utils/DocstringUtils.php
new file mode 100644
index 00000000..8845fd77
--- /dev/null
+++ b/src/Schema/PropertyInfoBased/Utils/DocstringUtils.php
@@ -0,0 +1,46 @@
+<?php
+namespace Cognesy\Instructor\Schema\PropertyInfoBased\Utils;
+
+use Cognesy\Instructor\Utils\Pipeline;
+
+class DocstringUtils
+{
+    public static function descriptionsOnly(string $code): string
+    {
+        return (new Pipeline())
+            ->through(fn($code) => self::removeMarkers($code))
+            ->through(fn($code) => self::removeAnnotations($code))
+            ->then(fn($code) => trim($code))
+            ->process($code);
+    }
+
+    public static function removeMarkers(string $code): string
+    {
+        // Pattern to match comment markers
+        $pattern = '/(\/\*\*|\*\/|\/\/|#)/';
+
+        // Remove comment markers from the string
+        $cleanedString = preg_replace($pattern, '', $code);
+
+        // Optional: Clean up extra asterisks and whitespace from multiline comments
+        $cleanedString = preg_replace('/^\s*\*\s?/m', '', $cleanedString);
+
+        return $cleanedString;
+    }
+
+    public static function removeAnnotations(string $code): string
+    {
+        $lines = explode("\n", $code);
+        $cleanedLines = [];
+        foreach ($lines as $line) {
+            $trimmed = trim($line);
+            if (empty($trimmed)) {
+                continue;
+            }
+            if ($trimmed[0] !== '@') {
+                $cleanedLines[] = $line;
+            }
+        }
+        return implode("\n", $cleanedLines);
+    }
+}
diff --git a/src/Schema/ReflectionBased/Reflection/PhpDoc/DocstringUtils.php b/src/Schema/ReflectionBased/Reflection/PhpDoc/DocstringUtils.php
deleted file mode 100644
index 0227af27..00000000
--- a/src/Schema/ReflectionBased/Reflection/PhpDoc/DocstringUtils.php
+++ /dev/null
@@ -1,82 +0,0 @@
-<?php
-namespace Cognesy\Instructor\Schema\ReflectionBased\Reflection\PhpDoc;
-
-use Cognesy\Instructor\Utils\Pipeline;
-
-class DocstringUtils
-{
-    public static function descriptionsOnly(string $code): string
-    {
-        return (new Pipeline())
-            ->through(fn($code) => self::removeMarkers($code))
-            ->through(fn($code) => self::removeAnnotations($code))
-            ->then(fn($code) => trim($code))
-            ->process($code);
-    }
-
-    public static function removeMarkers(string $code): string
-    {
-        // Pattern to match comment markers
-        $pattern = '/(\/\*\*|\*\/|\/\/|#)/';
-
-        // Remove comment markers from the string
-        $cleanedString = preg_replace($pattern, '', $code);
-
-        // Optional: Clean up extra asterisks and whitespace from multiline comments
-        $cleanedString = preg_replace('/^\s*\*\s?/m', '', $cleanedString);
-
-        return $cleanedString;
-    }
-
-    public static function removeAnnotations(string $code): string
-    {
-        $lines = explode("\n", $code);
-        $cleanedLines = [];
-        foreach ($lines as $line) {
-            $trimmed = trim($line);
-            if (empty($trimmed)) {
-                continue;
-            }
-            if ($trimmed[0] !== '@') {
-                $cleanedLines[] = $line;
-            }
-        }
-        return implode("\n", $cleanedLines);
-    }
-
-    static public function getPhpDocType(string $type) : array {
-        $isResolved = false;
-        $keyTypeName = '';
-        $valueTypeName = '';
-
-        // case 1: array<> style type definition
-        if (str_starts_with($type, 'array<')) {
-            if (str_contains($type, ',')) {
-                // extract types from "array<keyType,valueType>" type definition
-                $typeData = explode(',', substr($type, 6, -1));
-                $keyTypeName = $typeData[0];
-                $valueTypeName = $typeData[1];
-            } else {
-                // extract types from "array<valueType>" type definition
-                $keyTypeName = 'int';
-                $valueTypeName = substr($type, 6, -1);
-            }
-            $isResolved = true;
-        }
-
-        // case 2: itemType[] style type definition
-        if (str_ends_with($type, '[]')) {
-            // extract type from "valueType[]" type definition
-            $keyTypeName = 'int';
-            $valueTypeName = substr($type, 0, -2);
-            $isResolved = true;
-        }
-
-        // remove leading backslash from type name
-        if (str_starts_with($valueTypeName, '\\')) {
-            $valueTypeName = substr($valueTypeName, 1);
-        }
-
-        return [$isResolved, $keyTypeName, $valueTypeName];
-    }
-}
diff --git a/src/SchemaMap.php b/src/SchemaMap.php
new file mode 100644
index 00000000..19a3cc7d
--- /dev/null
+++ b/src/SchemaMap.php
@@ -0,0 +1,25 @@
+<?php
+
+namespace Cognesy\Instructor;
+
+use Cognesy\Instructor\Schema\PropertyInfoBased\Data\Schema\Schema;
+
+class SchemaMap
+{
+    private $schemas = [];
+
+    public function register(string $typeName, Schema $schema)
+    {
+        $this->schemas[$typeName] = $schema;
+    }
+
+    public function get(string $typeName) : Schema
+    {
+        return $this->schemas[$typeName];
+    }
+
+    public function has(string $typeName) : bool
+    {
+        return isset($this->schemas[$typeName]);
+    }
+}
\ No newline at end of file
diff --git a/src/TypeMap.php b/src/TypeMap.php
deleted file mode 100644
index 3ead6278..00000000
--- a/src/TypeMap.php
+++ /dev/null
@@ -1,20 +0,0 @@
-<?php
-
-namespace Cognesy\Instructor;
-
-use Cognesy\Instructor\Schema\PropertyInfoBased\Data\Schema\Schema;
-
-class TypeMap
-{
-    private $types = [];
-
-    public function register(string $typeName, Schema $schema)
-    {
-        $this->types[$typeName] = $schema;
-    }
-
-    public function get(string $typeName) : Schema
-    {
-        return $this->types[$typeName];
-    }
-}
\ No newline at end of file