diff --git a/README.md b/README.md
index 835c077..2313a64 100644
--- a/README.md
+++ b/README.md
@@ -256,6 +256,8 @@ backend.add(1, 2).then((response) => {
 });
 ```
 
+If a method return type is a PHP class with public properties, JSON help now also includes `return_structure`, and the generated TypeScript client maps that class to an object shape based on those public properties.
+
 These outputs can also be generated in command line:
 
 * HTML: `$> php APIcalculator.php --html`
diff --git a/src/APIlite.php b/src/APIlite.php
index c22c714..f8f9d40 100644
--- a/src/APIlite.php
+++ b/src/APIlite.php
@@ -87,7 +87,8 @@ class APIlite
 				'doc' => null,
 				'description' => null,
 				'params' => array(),
-				'return' => null
+				'return' => null,
+				'return_structure' => null
 			);
 			$docComment = $ref_method->getDocComment();
 			if ($docComment) {
@@ -115,27 +116,129 @@ class APIlite
 			}
 			if ($ref_method->hasReturnType()) {
 				$ref_type = $ref_method->getReturnType();
-				if ($ref_type instanceof \ReflectionNamedType) {
-					$method['return'] = $ref_type->getName();
-				}
-				if ($ref_type instanceof \ReflectionUnionType
-					|| $ref_type instanceof \ReflectionIntersectionType )
-				{
-					$types = $ref_type->getTypes();
-					$method['return'] = [];
-					foreach ($types as $type) {
-						if ($type instanceof \ReflectionNamedType) {
-							$method['return'][] = $type->getName();
-						}
-					}
-
-				}
+				$method['return'] = $this->reflectionTypeToNames($ref_type, $ref_method->getDeclaringClass());
+				$method['return_structure'] = $this->reflectionTypeToStructure($ref_type, $ref_method->getDeclaringClass());
 			}
 			$this->methods[] = $method;
 		}
 		return true;
 	}
 
+	private function reflectionTypeToNames(?\ReflectionType $ref_type, ?\ReflectionClass $context_class = null): string|array|null
+	{
+		if ($ref_type instanceof \ReflectionNamedType) {
+			$type_name = $this->resolveTypeName($ref_type->getName(), $context_class);
+			if ($ref_type->allowsNull() && strtolower($type_name) !== 'null' && strtolower($type_name) !== 'mixed') {
+				return array($type_name, 'null');
+			}
+			return $type_name;
+		}
+		if ($ref_type instanceof \ReflectionUnionType || $ref_type instanceof \ReflectionIntersectionType) {
+			$types = array();
+			foreach ($ref_type->getTypes() as $type) {
+				if (!$type instanceof \ReflectionNamedType) {
+					continue;
+				}
+				$one_type = $this->reflectionTypeToNames($type, $context_class);
+				if (is_array($one_type)) {
+					$types = array_merge($types, $one_type);
+				} else if (is_string($one_type)) {
+					$types[] = $one_type;
+				}
+			}
+			$types = array_values(array_unique($types));
+			return empty($types) ? null : $types;
+		}
+		return null;
+	}
+
+	private function reflectionTypeToStructure(?\ReflectionType $ref_type, ?\ReflectionClass $context_class = null, array $visited = array()): array|null
+	{
+		if ($ref_type instanceof \ReflectionNamedType) {
+			return $this->classTypeStructure(
+				$this->resolveTypeName($ref_type->getName(), $context_class),
+				$visited
+			);
+		}
+		if ($ref_type instanceof \ReflectionUnionType || $ref_type instanceof \ReflectionIntersectionType) {
+			$structures = array();
+			foreach ($ref_type->getTypes() as $type) {
+				if (!$type instanceof \ReflectionNamedType) {
+					continue;
+				}
+				$structure = $this->reflectionTypeToStructure($type, $context_class, $visited);
+				if (!is_null($structure)) {
+					$structures[] = $structure;
+				}
+			}
+			return count($structures) > 0 ? $structures : null;
+		}
+		return null;
+	}
+
+	private function classTypeStructure(string $type_name, array $visited = array()): array|null
+	{
+		$type_name = ltrim($type_name, '\\');
+		if ($this->isBuiltinTypeName($type_name) || !class_exists($type_name)) {
+			return null;
+		}
+		if (in_array($type_name, $visited, true)) {
+			return array(
+				'type' => $type_name,
+				'recursive' => true,
+				'properties' => array()
+			);
+		}
+
+		$visited[] = $type_name;
+		$refClass = new \ReflectionClass($type_name);
+		$properties = array();
+		foreach ($refClass->getProperties(\ReflectionProperty::IS_PUBLIC) as $ref_property) {
+			if ($ref_property->isStatic()) {
+				continue;
+			}
+			$property_type = $ref_property->getType();
+			$properties[] = array(
+				'name' => $ref_property->getName(),
+				'type' => $this->reflectionTypeToNames($property_type, $refClass),
+				'nullable' => is_null($property_type) ? true : $property_type->allowsNull(),
+				'type_structure' => $this->reflectionTypeToStructure($property_type, $refClass, $visited)
+			);
+		}
+
+		return array(
+			'type' => $type_name,
+			'properties' => $properties
+		);
+	}
+
+	private function resolveTypeName(string $type_name, ?\ReflectionClass $context_class = null): string
+	{
+		$type_name = ltrim($type_name, '\\');
+		if (is_null($context_class)) {
+			return $type_name;
+		}
+		switch (strtolower($type_name)) {
+			case 'self':
+			case 'static':
+				return $context_class->getName();
+			case 'parent':
+				$parent = $context_class->getParentClass();
+				return $parent ? $parent->getName() : $type_name;
+			default:
+				return $type_name;
+		}
+	}
+
+	private function isBuiltinTypeName(string $type_name): bool
+	{
+		return in_array(strtolower(ltrim($type_name, '\\')), array(
+			'array', 'bool', 'boolean', 'callable', 'closure', 'false', 'float', 'int', 'integer',
+			'iterable', 'mixed', 'never', 'null', 'object', 'resource', 'scalar', 'string',
+			'true', 'void'
+		), true);
+	}
+
 	private function parseDescription(string $doc): string
 	{
 		$lines = explode("\n", $doc);
diff --git a/src/help.tpl.php b/src/help.tpl.php
index 006f948..891f032 100644
--- a/src/help.tpl.php
+++ b/src/help.tpl.php
@@ -1,3 +1,50 @@
+<?php
+$formatTypeLabel = function (mixed $type): string {
+	if (is_array($type)) {
+		return implode(' | ', array_map(function ($item) {
+			return is_string($item) ? $item : 'mixed';
+		}, $type));
+	}
+	return is_string($type) ? $type : 'mixed';
+};
+
+$renderTypeStructure = function (mixed $structure) use (&$renderTypeStructure, $formatTypeLabel): string {
+	if (!is_array($structure)) {
+		return '';
+	}
+	$structures = (array_key_exists('type', $structure) && array_key_exists('properties', $structure))
+		? array($structure)
+		: $structure;
+	$html = '';
+	foreach ($structures as $item) {
+		if (!is_array($item) || !isset($item['type'])) {
+			continue;
+		}
+		$html .= '<div style="margin-top: 1rem; padding: 1rem; background: #f8fafc; border: 1px solid #e1e5e9; border-radius: 8px;">';
+		$html .= '<div style="font-weight: 600; margin-bottom: 0.75rem;">' . htmlspecialchars($item['type']) . '</div>';
+		if (!empty($item['recursive'])) {
+			$html .= '<div style="color: #64748b;">Recursive reference</div>';
+		} else if (!empty($item['properties']) && is_array($item['properties'])) {
+			$html .= '<ul style="margin: 0; padding-left: 1.25rem;">';
+			foreach ($item['properties'] as $property) {
+				if (!is_array($property) || !isset($property['name'])) {
+					continue;
+				}
+				$html .= '<li style="margin-bottom: 0.5rem;">';
+				$html .= htmlspecialchars((string) $property['name']);
+				$html .= '<code class="parameter-type">' . htmlspecialchars($formatTypeLabel($property['type'] ?? null)) . '</code>';
+				$html .= $renderTypeStructure($property['type_structure'] ?? null);
+				$html .= '</li>';
+			}
+			$html .= '</ul>';
+		} else {
+			$html .= '<div style="color: #64748b;">No public properties</div>';
+		}
+		$html .= '</div>';
+	}
+	return $html;
+};
+?>
 <!DOCTYPE html>
 <html lang="en">
 
@@ -461,6 +508,7 @@
 							<?php if (is_array($method['return'])) foreach ($method['return'] as $return) { ?>
 							<code class="parameter-type"><?php echo $return; ?></code>
 							<?php } ?>
+							<?php echo $renderTypeStructure($method['return_structure'] ?? null); ?>
 
 
 						</div>
diff --git a/src/typescript.tpl.php b/src/typescript.tpl.php
index 09ae633..22a38fd 100644
--- a/src/typescript.tpl.php
+++ b/src/typescript.tpl.php
@@ -33,6 +33,65 @@ $mapUnionType = function (mixed $type) use ($mapType): string {
 
 	return $mapType(is_string($type) ? $type : null);
 };
+
+$normalizeTypeStructures = function (mixed $structure): array {
+	if (!is_array($structure)) {
+		return array();
+	}
+	if (array_key_exists('type', $structure) && array_key_exists('properties', $structure)) {
+		return array($structure);
+	}
+	return array_values(array_filter($structure, 'is_array'));
+};
+
+$findTypeStructure = function (?string $type, mixed $structure) use ($normalizeTypeStructures): array|null {
+	if (!is_string($type) || $type === '') {
+		return null;
+	}
+	$type = ltrim($type, '\\');
+	foreach ($normalizeTypeStructures($structure) as $one_structure) {
+		if (($one_structure['type'] ?? null) === $type) {
+			return $one_structure;
+		}
+	}
+	return null;
+};
+
+$mapTypeWithStructure = null;
+$mapUnionTypeWithStructure = null;
+
+$mapTypeWithStructure = function (?string $type, mixed $structure) use ($mapType, &$mapUnionTypeWithStructure): string {
+	if (is_array($structure) && array_key_exists('type', $structure) && array_key_exists('properties', $structure)) {
+		$properties = array();
+		foreach (($structure['properties'] ?? array()) as $property) {
+			if (!is_array($property) || !isset($property['name'])) {
+				continue;
+			}
+			$propertyType = $mapUnionTypeWithStructure($property['type'] ?? null, $property['type_structure'] ?? null);
+			if (!empty($property['nullable']) && strpos($propertyType, 'null') === false) {
+				$propertyType .= ' | null';
+			}
+			$properties[] = $property['name'] . ': ' . $propertyType;
+		}
+		return empty($properties) ? 'Record<string, unknown>' : '{ ' . implode('; ', $properties) . ' }';
+	}
+
+	return $mapType($type);
+};
+
+$mapUnionTypeWithStructure = function (mixed $type, mixed $structure) use ($mapType, $findTypeStructure, &$mapTypeWithStructure): string {
+	if (is_array($type)) {
+		$parts = array();
+		foreach ($type as $singleType) {
+			$typeName = is_string($singleType) ? $singleType : null;
+			$parts[] = $mapTypeWithStructure($typeName, $findTypeStructure($typeName, $structure));
+		}
+		$parts = array_values(array_unique($parts));
+		return empty($parts) ? 'unknown' : implode(' | ', $parts);
+	}
+
+	return $mapTypeWithStructure(is_string($type) ? $type : null, $structure);
+};
 ?>
 /**
  * Generated by APIlite
@@ -66,6 +125,20 @@ export interface APIliteMethodDoc {
 	description: string | null;
 	params: APIliteMethodParam[];
 	return: string | string[] | null;
+	return_structure: APIliteTypeStructure | APIliteTypeStructure[] | null;
+}
+
+export interface APIliteTypeStructureProperty {
+	name: string;
+	type: string | string[] | null;
+	nullable: boolean;
+	type_structure: APIliteTypeStructure | APIliteTypeStructure[] | null;
+}
+
+export interface APIliteTypeStructure {
+	type: string;
+	recursive?: boolean;
+	properties: APIliteTypeStructureProperty[];
 }
 
 export interface APIliteHelpResponse {
@@ -149,7 +222,7 @@ class <?php echo $this->apiName; ?> {
 		$paramsSignature[] = $param['name'] . ($param['optional'] ? '?' : '') . ': ' . $paramType;
 		$paramsPayload[] = $param['name'];
 	}
-	$returnType = $mapUnionType($method['return']);
+	$returnType = $mapUnionTypeWithStructure($method['return'], $method['return_structure'] ?? null);
 ?>
 	<?php echo $method['name']; ?>(<?php echo implode(', ', $paramsSignature); ?>): Promise<APIliteActionResponse<<?php echo $returnType; ?>>> {
 		return this.callPromise<APIliteActionResponse<<?php echo $returnType; ?>>>('<?php echo $method['name']; ?>', { <?php echo implode(', ', $paramsPayload); ?> });