diff --git a/headers/meta.hpp/meta_base.hpp b/headers/meta.hpp/meta_base.hpp
index a3db832..a0b294a 100644
--- a/headers/meta.hpp/meta_base.hpp
+++ b/headers/meta.hpp/meta_base.hpp
@@ -204,6 +204,7 @@ namespace meta_hpp
 namespace meta_hpp
 {
     using argument_list = std::vector<argument>;
+    using metadata_map = std::map<std::string, uvalue, std::less<>>;
 
     using class_set = std::set<class_type, std::less<>>;
     using class_map = std::map<std::string, class_type, std::less<>>;
diff --git a/headers/meta.hpp/meta_types.hpp b/headers/meta.hpp/meta_types.hpp
index 71587f5..52034c4 100644
--- a/headers/meta.hpp/meta_types.hpp
+++ b/headers/meta.hpp/meta_types.hpp
@@ -70,6 +70,8 @@ namespace meta_hpp
         [[nodiscard]] type_id get_id() const noexcept;
         [[nodiscard]] type_kind get_kind() const noexcept;
 
+        [[nodiscard]] const metadata_map& get_metadata() const noexcept;
+
         any_type(const array_type& other) noexcept;
         any_type(const class_type& other) noexcept;
         any_type(const constructor_type& other) noexcept;
@@ -126,6 +128,7 @@ namespace meta_hpp
 
         [[nodiscard]] type_id get_id() const noexcept;
         [[nodiscard]] array_bitflags get_flags() const noexcept;
+        [[nodiscard]] const metadata_map& get_metadata() const noexcept;
 
         [[nodiscard]] std::size_t get_extent() const noexcept;
         [[nodiscard]] any_type get_data_type() const noexcept;
@@ -144,6 +147,7 @@ namespace meta_hpp
 
         [[nodiscard]] type_id get_id() const noexcept;
         [[nodiscard]] class_bitflags get_flags() const noexcept;
+        [[nodiscard]] const metadata_map& get_metadata() const noexcept;
 
         [[nodiscard]] std::size_t get_size() const noexcept;
 
@@ -216,6 +220,7 @@ namespace meta_hpp
 
         [[nodiscard]] type_id get_id() const noexcept;
         [[nodiscard]] constructor_bitflags get_flags() const noexcept;
+        [[nodiscard]] const metadata_map& get_metadata() const noexcept;
 
         [[nodiscard]] std::size_t get_arity() const noexcept;
         [[nodiscard]] any_type get_class_type() const noexcept;
@@ -236,6 +241,7 @@ namespace meta_hpp
 
         [[nodiscard]] type_id get_id() const noexcept;
         [[nodiscard]] destructor_bitflags get_flags() const noexcept;
+        [[nodiscard]] const metadata_map& get_metadata() const noexcept;
 
         [[nodiscard]] any_type get_class_type() const noexcept;
     private:
@@ -253,6 +259,7 @@ namespace meta_hpp
 
         [[nodiscard]] type_id get_id() const noexcept;
         [[nodiscard]] enum_bitflags get_flags() const noexcept;
+        [[nodiscard]] const metadata_map& get_metadata() const noexcept;
 
         [[nodiscard]] number_type get_underlying_type() const noexcept;
 
@@ -278,6 +285,7 @@ namespace meta_hpp
 
         [[nodiscard]] type_id get_id() const noexcept;
         [[nodiscard]] function_bitflags get_flags() const noexcept;
+        [[nodiscard]] const metadata_map& get_metadata() const noexcept;
 
         [[nodiscard]] std::size_t get_arity() const noexcept;
         [[nodiscard]] any_type get_return_type() const noexcept;
@@ -298,6 +306,7 @@ namespace meta_hpp
 
         [[nodiscard]] type_id get_id() const noexcept;
         [[nodiscard]] member_bitflags get_flags() const noexcept;
+        [[nodiscard]] const metadata_map& get_metadata() const noexcept;
 
         [[nodiscard]] class_type get_owner_type() const noexcept;
         [[nodiscard]] any_type get_value_type() const noexcept;
@@ -316,6 +325,7 @@ namespace meta_hpp
 
         [[nodiscard]] type_id get_id() const noexcept;
         [[nodiscard]] method_bitflags get_flags() const noexcept;
+        [[nodiscard]] const metadata_map& get_metadata() const noexcept;
 
         [[nodiscard]] std::size_t get_arity() const noexcept;
         [[nodiscard]] class_type get_owner_type() const noexcept;
@@ -336,6 +346,7 @@ namespace meta_hpp
         [[nodiscard]] explicit operator bool() const noexcept;
 
         [[nodiscard]] type_id get_id() const noexcept;
+        [[nodiscard]] const metadata_map& get_metadata() const noexcept;
     private:
         detail::nullptr_type_data_ptr data_;
         friend auto detail::type_access<nullptr_type>(const nullptr_type&);
@@ -351,6 +362,7 @@ namespace meta_hpp
 
         [[nodiscard]] type_id get_id() const noexcept;
         [[nodiscard]] number_bitflags get_flags() const noexcept;
+        [[nodiscard]] const metadata_map& get_metadata() const noexcept;
 
         [[nodiscard]] std::size_t get_size() const noexcept;
     private:
@@ -368,6 +380,7 @@ namespace meta_hpp
 
         [[nodiscard]] type_id get_id() const noexcept;
         [[nodiscard]] pointer_bitflags get_flags() const noexcept;
+        [[nodiscard]] const metadata_map& get_metadata() const noexcept;
 
         [[nodiscard]] any_type get_data_type() const noexcept;
     private:
@@ -385,6 +398,7 @@ namespace meta_hpp
 
         [[nodiscard]] type_id get_id() const noexcept;
         [[nodiscard]] reference_bitflags get_flags() const noexcept;
+        [[nodiscard]] const metadata_map& get_metadata() const noexcept;
 
         [[nodiscard]] any_type get_data_type() const noexcept;
     private:
@@ -401,6 +415,7 @@ namespace meta_hpp
         [[nodiscard]] explicit operator bool() const noexcept;
 
         [[nodiscard]] type_id get_id() const noexcept;
+        [[nodiscard]] const metadata_map& get_metadata() const noexcept;
     private:
         detail::void_type_data_ptr data_;
         friend auto detail::type_access<void_type>(const void_type&);
@@ -447,6 +462,8 @@ namespace meta_hpp::detail
         const type_id id;
         const type_kind kind;
 
+        metadata_map metadata;
+
         explicit type_data_base(type_id id, type_kind kind)
         : id{id}
         , kind{kind} {}
diff --git a/headers/meta.hpp/meta_types/any_type.hpp b/headers/meta.hpp/meta_types/any_type.hpp
index 9c3a204..ec09c81 100644
--- a/headers/meta.hpp/meta_types/any_type.hpp
+++ b/headers/meta.hpp/meta_types/any_type.hpp
@@ -27,6 +27,10 @@ namespace meta_hpp
         return data_->kind;
     }
 
+    inline const metadata_map& any_type::get_metadata() const noexcept {
+        return data_->metadata;
+    }
+
     inline any_type::any_type(const array_type& other) noexcept
     : data_{detail::type_access(other)} {}
 
diff --git a/headers/meta.hpp/meta_types/array_type.hpp b/headers/meta.hpp/meta_types/array_type.hpp
index 548d1a7..89566ec 100644
--- a/headers/meta.hpp/meta_types/array_type.hpp
+++ b/headers/meta.hpp/meta_types/array_type.hpp
@@ -47,6 +47,10 @@ namespace meta_hpp
         return data_->flags;
     }
 
+    inline const metadata_map& array_type::get_metadata() const noexcept {
+        return data_->metadata;
+    }
+
     inline std::size_t array_type::get_extent() const noexcept {
         return data_->extent;
     }
diff --git a/headers/meta.hpp/meta_types/class_type.hpp b/headers/meta.hpp/meta_types/class_type.hpp
index 3438291..9723be0 100644
--- a/headers/meta.hpp/meta_types/class_type.hpp
+++ b/headers/meta.hpp/meta_types/class_type.hpp
@@ -53,6 +53,10 @@ namespace meta_hpp
         return data_->flags;
     }
 
+    inline const metadata_map& class_type::get_metadata() const noexcept {
+        return data_->metadata;
+    }
+
     inline std::size_t class_type::get_size() const noexcept {
         return data_->size;
     }
diff --git a/headers/meta.hpp/meta_types/constructor_type.hpp b/headers/meta.hpp/meta_types/constructor_type.hpp
index 56ba607..0c4e900 100644
--- a/headers/meta.hpp/meta_types/constructor_type.hpp
+++ b/headers/meta.hpp/meta_types/constructor_type.hpp
@@ -47,6 +47,10 @@ namespace meta_hpp
         return data_->flags;
     }
 
+    inline const metadata_map& constructor_type::get_metadata() const noexcept {
+        return data_->metadata;
+    }
+
     inline std::size_t constructor_type::get_arity() const noexcept {
         return data_->argument_types.size();
     }
diff --git a/headers/meta.hpp/meta_types/destructor_type.hpp b/headers/meta.hpp/meta_types/destructor_type.hpp
index 47cd0f8..b6469af 100644
--- a/headers/meta.hpp/meta_types/destructor_type.hpp
+++ b/headers/meta.hpp/meta_types/destructor_type.hpp
@@ -46,6 +46,10 @@ namespace meta_hpp
         return data_->flags;
     }
 
+    inline const metadata_map& destructor_type::get_metadata() const noexcept {
+        return data_->metadata;
+    }
+
     inline any_type destructor_type::get_class_type() const noexcept {
         return data_->class_type;
     }
diff --git a/headers/meta.hpp/meta_types/enum_type.hpp b/headers/meta.hpp/meta_types/enum_type.hpp
index 5fb4e42..a371600 100644
--- a/headers/meta.hpp/meta_types/enum_type.hpp
+++ b/headers/meta.hpp/meta_types/enum_type.hpp
@@ -49,6 +49,10 @@ namespace meta_hpp
         return data_->flags;
     }
 
+    inline const metadata_map& enum_type::get_metadata() const noexcept {
+        return data_->metadata;
+    }
+
     inline number_type enum_type::get_underlying_type() const noexcept {
         return data_->underlying_type;
     }
diff --git a/headers/meta.hpp/meta_types/function_type.hpp b/headers/meta.hpp/meta_types/function_type.hpp
index 8dc2307..b92513c 100644
--- a/headers/meta.hpp/meta_types/function_type.hpp
+++ b/headers/meta.hpp/meta_types/function_type.hpp
@@ -47,6 +47,10 @@ namespace meta_hpp
         return data_->flags;
     }
 
+    inline const metadata_map& function_type::get_metadata() const noexcept {
+        return data_->metadata;
+    }
+
     inline std::size_t function_type::get_arity() const noexcept {
         return data_->argument_types.size();
     }
diff --git a/headers/meta.hpp/meta_types/member_type.hpp b/headers/meta.hpp/meta_types/member_type.hpp
index a5fd57a..98a478b 100644
--- a/headers/meta.hpp/meta_types/member_type.hpp
+++ b/headers/meta.hpp/meta_types/member_type.hpp
@@ -47,6 +47,10 @@ namespace meta_hpp
         return data_->flags;
     }
 
+    inline const metadata_map& member_type::get_metadata() const noexcept {
+        return data_->metadata;
+    }
+
     inline class_type member_type::get_owner_type() const noexcept {
         return data_->owner_type;
     }
diff --git a/headers/meta.hpp/meta_types/method_type.hpp b/headers/meta.hpp/meta_types/method_type.hpp
index 87920f2..27db971 100644
--- a/headers/meta.hpp/meta_types/method_type.hpp
+++ b/headers/meta.hpp/meta_types/method_type.hpp
@@ -48,6 +48,10 @@ namespace meta_hpp
         return data_->flags;
     }
 
+    inline const metadata_map& method_type::get_metadata() const noexcept {
+        return data_->metadata;
+    }
+
     inline std::size_t method_type::get_arity() const noexcept {
         return data_->argument_types.size();
     }
diff --git a/headers/meta.hpp/meta_types/nullptr_type.hpp b/headers/meta.hpp/meta_types/nullptr_type.hpp
index a6407c1..0d3e01c 100644
--- a/headers/meta.hpp/meta_types/nullptr_type.hpp
+++ b/headers/meta.hpp/meta_types/nullptr_type.hpp
@@ -36,4 +36,8 @@ namespace meta_hpp
     inline type_id nullptr_type::get_id() const noexcept {
         return data_->id;
     }
+
+    inline const metadata_map& nullptr_type::get_metadata() const noexcept {
+        return data_->metadata;
+    }
 }
diff --git a/headers/meta.hpp/meta_types/number_type.hpp b/headers/meta.hpp/meta_types/number_type.hpp
index 2bab290..30d4a80 100644
--- a/headers/meta.hpp/meta_types/number_type.hpp
+++ b/headers/meta.hpp/meta_types/number_type.hpp
@@ -45,6 +45,10 @@ namespace meta_hpp
         return data_->flags;
     }
 
+    inline const metadata_map& number_type::get_metadata() const noexcept {
+        return data_->metadata;
+    }
+
     inline std::size_t number_type::get_size() const noexcept {
         return data_->size;
     }
diff --git a/headers/meta.hpp/meta_types/pointer_type.hpp b/headers/meta.hpp/meta_types/pointer_type.hpp
index 6b0ff1c..f963bc9 100644
--- a/headers/meta.hpp/meta_types/pointer_type.hpp
+++ b/headers/meta.hpp/meta_types/pointer_type.hpp
@@ -46,6 +46,10 @@ namespace meta_hpp
         return data_->flags;
     }
 
+    inline const metadata_map& pointer_type::get_metadata() const noexcept {
+        return data_->metadata;
+    }
+
     inline any_type pointer_type::get_data_type() const noexcept {
         return data_->data_type;
     }
diff --git a/headers/meta.hpp/meta_types/reference_type.hpp b/headers/meta.hpp/meta_types/reference_type.hpp
index a923d42..37373b8 100644
--- a/headers/meta.hpp/meta_types/reference_type.hpp
+++ b/headers/meta.hpp/meta_types/reference_type.hpp
@@ -46,6 +46,10 @@ namespace meta_hpp
         return data_->flags;
     }
 
+    inline const metadata_map& reference_type::get_metadata() const noexcept {
+        return data_->metadata;
+    }
+
     inline any_type reference_type::get_data_type() const noexcept {
         return data_->data_type;
     }
diff --git a/headers/meta.hpp/meta_types/void_type.hpp b/headers/meta.hpp/meta_types/void_type.hpp
index af30071..4b4a989 100644
--- a/headers/meta.hpp/meta_types/void_type.hpp
+++ b/headers/meta.hpp/meta_types/void_type.hpp
@@ -36,4 +36,8 @@ namespace meta_hpp
     inline type_id void_type::get_id() const noexcept {
         return data_->id;
     }
+
+    inline const metadata_map& void_type::get_metadata() const noexcept {
+        return data_->metadata;
+    }
 }