diff --git a/include/xo/procedure2/DPrimitive.hpp b/include/xo/procedure2/DPrimitive.hpp
index 90fdba5..abec46c 100644
--- a/include/xo/procedure2/DPrimitive.hpp
+++ b/include/xo/procedure2/DPrimitive.hpp
@@ -76,9 +76,11 @@ namespace xo {
 
             TypeDescr fn_td() const noexcept { return fn_td_; }
 
-            bool is_nary() const noexcept { return false; }
+            std::string_view name() const noexcept { return name_; }
             static constexpr std::int32_t n_args() noexcept { return Traits::n_args; }
 
+            bool is_nary() const noexcept { return false; }
+
             obj<AGCObject> apply_nocheck(obj<ARuntimeContext> rcx, const DArray * args) {
                 return _apply_nocheck(rcx, args,
                                       std::make_index_sequence<Traits::n_args>{});
diff --git a/include/xo/procedure2/Primitive_gco_2_gco_gco.hpp b/include/xo/procedure2/Primitive_gco_2_gco_gco.hpp
new file mode 100644
index 0000000..9e6814f
--- /dev/null
+++ b/include/xo/procedure2/Primitive_gco_2_gco_gco.hpp
@@ -0,0 +1,11 @@
+/** @file Primitive_gco_2_gco_gco.hpp
+ *
+ *  @author Roland Conybeare, Feb 2026
+ **/
+
+#include "DPrimitive_gco_2_gco_gco.hpp"
+#include "detail/IProcedure_DPrimitive_gco_2_gco_gco.hpp"
+#include "detail/IGCObject_DPrimitive_gco_2_gco_gco.hpp"
+#include "detail/IPrintable_DPrimitive_gco_2_gco_gco.hpp"
+
+/* end Primitive_gco_2_gco_gco.hpp */