diff --git a/generator/templates/api_cpp_chained_struct.h b/generator/templates/api_cpp_chained_struct.h
new file mode 100644
index 0000000..59a0fd0
--- /dev/null
+++ b/generator/templates/api_cpp_chained_struct.h
@@ -0,0 +1,48 @@
+//* Copyright 2023 The Dawn Authors
+//*
+//* Licensed under the Apache License, Version 2.0 (the "License");
+//* you may not use this file except in compliance with the License.
+//* You may obtain a copy of the License at
+//*
+//*     http://www.apache.org/licenses/LICENSE-2.0
+//*
+//* Unless required by applicable law or agreed to in writing, software
+//* distributed under the License is distributed on an "AS IS" BASIS,
+//* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+//* See the License for the specific language governing permissions and
+//* limitations under the License.
+{% set API = metadata.api.upper() %}
+{% if 'dawn' in enabled_tags %}
+    #ifdef __EMSCRIPTEN__
+    #error "Do not include this header. Emscripten already provides headers needed for {{metadata.api}}."
+    #endif
+{% endif %}
+#ifndef {{API}}_CPP_CHAINED_STRUCT_H_
+#define {{API}}_CPP_CHAINED_STRUCT_H_
+
+// This header file declares the ChainedStruct structures separately from the {{metadata.api}}
+// headers so that dependencies can directly extend structures without including the larger header
+// which exposes capabilities that may require correctly set proc tables.
+namespace {{metadata.namespace}} {
+
+    namespace detail {
+        constexpr size_t ConstexprMax(size_t a, size_t b) {
+            return a > b ? a : b;
+        }
+    }  // namespace detail
+
+    enum class SType : uint32_t;
+
+    struct ChainedStruct {
+        ChainedStruct const * nextInChain = nullptr;
+        SType sType = SType(0u);
+    };
+
+    struct ChainedStructOut {
+        ChainedStructOut * nextInChain = nullptr;
+        SType sType = SType(0u);
+    };
+
+}  // namespace {{metadata.namespace}}}
+
+#endif // {{API}}_CPP_CHAINED_STRUCT_H_