diff --git a/comfy_api/latest/_io.py b/comfy_api/latest/_io.py
index 7a91f6d5a..892280282 100644
--- a/comfy_api/latest/_io.py
+++ b/comfy_api/latest/_io.py
@@ -842,7 +842,7 @@ class DynamicOutput(Output, ABC):
 
 @comfytype(io_type="COMFY_AUTOGROW_V3")
 class Autogrow(ComfyTypeI):
-    Type = list[Any]
+    Type = dict[str, Any]
     _MaxNames = 100  # NOTE: max 100 names for sanity
 
     class _AutogrowTemplate:
@@ -1872,6 +1872,7 @@ __all__ = [
     # Dynamic Types
     "MatchType",
     "DynamicCombo",
+    "Autogrow",
     # Other classes
     "HiddenHolder",
     "Hidden",
diff --git a/comfy_extras/nodes_logic.py b/comfy_extras/nodes_logic.py
index 879dc2b2d..0bb628dc9 100644
--- a/comfy_extras/nodes_logic.py
+++ b/comfy_extras/nodes_logic.py
@@ -57,7 +57,7 @@ class DCTestNode(io.ComfyNode):
             )],
             outputs=[io.AnyType.Output()],
         )
-    
+
     @classmethod
     def execute(cls, combo: DCValues) -> io.NodeOutput:
         combo_val = combo["combo"]
@@ -71,12 +71,54 @@ class DCTestNode(io.ComfyNode):
             raise ValueError(f"Invalid combo: {combo_val}")
 
 
+class AutogrowNamesTestNode(io.ComfyNode):
+    @classmethod
+    def define_schema(cls):
+        template = io.Autogrow.TemplateNames(input=io.String.Input("string"), names=["a", "b", "c"])
+        return io.Schema(
+            node_id="AutogrowNamesTestNode",
+            display_name="AutogrowNamesTest",
+            category="logic",
+            inputs=[
+                io.Autogrow.Input("autogrow", template=template)
+            ],
+            outputs=[io.String.Output("output")],
+        )
+
+    @classmethod
+    def execute(cls, autogrow: io.Autogrow.Type) -> io.NodeOutput:
+        vals = list(autogrow.values())
+        combined = "".join(vals)
+        return io.NodeOutput(combined)
+
+class AutogrowPrefixTestNode(io.ComfyNode):
+    @classmethod
+    def define_schema(cls):
+        template = io.Autogrow.TemplatePrefix(input=io.String.Input("string"), prefix="string", min=1, max=10)
+        return io.Schema(
+            node_id="AutogrowPrefixTestNode",
+            display_name="AutogrowPrefixTest",
+            category="logic",
+            inputs=[
+                io.Autogrow.Input("autogrow", template=template)
+            ],
+            outputs=[io.String.Output("output")],
+        )
+
+    @classmethod
+    def execute(cls, autogrow: io.Autogrow.Type) -> io.NodeOutput:
+        vals = list(autogrow.values())
+        combined = "".join(vals)
+        return io.NodeOutput(combined)
+
 class LogicExtension(ComfyExtension):
     @override
     async def get_node_list(self) -> list[type[io.ComfyNode]]:
         return [
             SwitchNode,
             DCTestNode,
+            AutogrowNamesTestNode,
+            AutogrowPrefixTestNode,
         ]
 
 async def comfy_entrypoint() -> LogicExtension: