diff --git a/langchain_benchmarks/extraction/__init__.py b/langchain_benchmarks/extraction/__init__.py
new file mode 100644
index 00000000..e69de29b
diff --git a/langchain_benchmarks/extraction/email_task.py b/langchain_benchmarks/extraction/email_task.py
new file mode 100644
index 00000000..b823d893
--- /dev/null
+++ b/langchain_benchmarks/extraction/email_task.py
@@ -0,0 +1,73 @@
+from enum import Enum
+from typing import Optional, List
+
+from langchain.smith import RunEvalConfig
+from pydantic import BaseModel, Field
+
+from langchain_benchmarks.schema import ExtractionTask
+
+
+class ToneEnum(str, Enum):
+    """The tone of the email."""
+
+    positive = "positive"
+    negative = "negative"
+
+
+class Email(BaseModel):
+    """Relevant information about an email."""
+
+    sender: Optional[str] = Field(None, description="The sender's name, if available")
+    sender_phone_number: Optional[str] = Field(
+        None, description="The sender's phone number, if available"
+    )
+    sender_address: Optional[str] = Field(
+        None, description="The sender's address, if available"
+    )
+    action_items: List[str] = Field(
+        ..., description="A list of action items requested by the email"
+    )
+    topic: str = Field(
+        ..., description="High level description of what the email is about"
+    )
+    tone: ToneEnum = Field(..., description="The tone of the email.")
+
+
+def get_eval_config(eval_llm: BaseModel) -> RunEvalConfig:
+    """Get the evaluation configuration for the email task."""
+    return RunEvalConfig(
+        evaluators=[
+            RunEvalConfig.LabeledScoreString(
+                criteria={
+                    "accuracy": """
+    Score 1: The answer is incorrect and unrelated to the question or reference document.
+    Score 3: The answer is partially correct but has more than one omission or major errors.
+    Score 5: The answer is mostly correct but has more than one omission or major error.
+    Score 7: The answer is mostly correct but has at most one omission or major error.
+    Score 9: The answer is mostly correct with no omissions and only minor errors, and aligns with the reference document.
+    Score 10: The answer is correct, complete, and aligns with the reference document. Extra information is acceptable if it is sensible.
+
+    If the reference answer contains multiple alternatives, the predicted answer must only match one of the alternatives to be considered correct.
+    If the predicted answer contains additional helpful and accurate information that is not present in the reference answer, it should still be considered correct and not be penalized.
+    """  # noqa
+                },
+                llm=eval_llm,
+                normalize_by=10.0,
+            ),
+        ],
+    )
+
+
+EmailTask = ExtractionTask(
+    id=4,  # To be deprecated
+    name="Email Extraction",
+    dataset_id="https://smith.langchain.com/public/36bdfe7d-3cd1-4b36-b957-d12d95810a2b/d",
+    model=Email,
+    description="""\
+A dataset of 42 real emails deduped from a spam folder, with semantic HTML tags removed, \
+as well as a script for initial extraction and formatting of other emails from \
+an arbitrary .mbox file like the one exported by Gmail.
+
+Some additional cleanup of the data was done by hand after the initial pass.
+    """,
+)
diff --git a/langchain_benchmarks/registration.py b/langchain_benchmarks/registration.py
index cb1c0f3a..a6720422 100644
--- a/langchain_benchmarks/registration.py
+++ b/langchain_benchmarks/registration.py
@@ -4,7 +4,8 @@
 
 from tabulate import tabulate
 
-from langchain_benchmarks.schema import Task
+from langchain_benchmarks.schema import ToolUsageTask, ExtractionTask
+from langchain_benchmarks.extraction import email_task
 from langchain_benchmarks.tool_usage.environments import (
     relational_data,
     type_writer,
@@ -15,9 +16,9 @@
 
 @dataclasses.dataclass(frozen=True)
 class Registry:
-    tasks: Sequence[Task]
+    tasks: Sequence[ToolUsageTask]
 
-    def get_task(self, name_or_id: Union[int, str]) -> Task:
+    def get_task(self, name_or_id: Union[int, str]) -> ToolUsageTask:
         """Get the environment with the given name."""
         for env in self.tasks:
             if env.name == name_or_id or env.id == name_or_id:
@@ -58,7 +59,7 @@ def _repr_html_(self) -> str:
         ]
         return tabulate(table, headers=headers, tablefmt="html")
 
-    def __getitem__(self, key: Union[int, str]) -> Task:
+    def __getitem__(self, key: Union[int, str]) -> ToolUsageTask:
         """Get an environment from the registry."""
         if isinstance(key, slice):
             raise NotImplementedError("Slicing is not supported.")
@@ -72,7 +73,7 @@ def __getitem__(self, key: Union[int, str]) -> Task:
 # Using lower case naming to make a bit prettier API when used in a notebook
 registry = Registry(
     tasks=[
-        Task(
+        ToolUsageTask(
             id=0,
             name="Tool Usage - Relational Data",
             dataset_id=relational_data.DATASET_ID,
@@ -103,7 +104,7 @@ def __getitem__(self, key: Union[int, str]) -> Task:
 """
             ),
         ),
-        Task(
+        ToolUsageTask(
             id=1,
             name="Tool Usage - Typewriter (1 func)",
             dataset_id="placeholder",
@@ -131,7 +132,7 @@ def __getitem__(self, key: Union[int, str]) -> Task:
 """
             ),
         ),
-        Task(
+        ToolUsageTask(
             id=2,
             name="Tool Usage - Typewriter",
             dataset_id="placeholder",
@@ -161,7 +162,7 @@ def __getitem__(self, key: Union[int, str]) -> Task:
 """
             ),
         ),
-        Task(
+        ToolUsageTask(
             id=3,
             name="Multiverse Math",
             dataset_id="placeholder",
@@ -187,5 +188,6 @@ def __getitem__(self, key: Union[int, str]) -> Task:
 """
             ),
         ),
+        email_task.EmailTask,
     ]
 )
diff --git a/langchain_benchmarks/schema.py b/langchain_benchmarks/schema.py
index 06717e6f..c6dc2642 100644
--- a/langchain_benchmarks/schema.py
+++ b/langchain_benchmarks/schema.py
@@ -1,13 +1,14 @@
 """Schema for the Langchain Benchmarks."""
 import dataclasses
-from typing import List, Callable, Any, Optional
+from typing import List, Callable, Any, Optional, Type
 
 from langchain.tools import BaseTool
+from pydantic import BaseModel
 from tabulate import tabulate
 
 
 @dataclasses.dataclass(frozen=True)
-class Environment:
+class ToolUsageEnvironment:
     """An instance of an environment for tool usage."""
 
     tools: List[BaseTool]
@@ -18,8 +19,8 @@ class Environment:
 
 
 @dataclasses.dataclass(frozen=True)
-class Task:
-    """A definition for a task."""
+class BaseTask:
+    """A definition of a task."""
 
     id: int
     """The ID of the environment."""
@@ -28,31 +29,24 @@ class Task:
 
     dataset_id: str
     """The ID of the langsmith public dataset.
-    
+
     This dataset contains expected inputs/outputs for the environment, and
     can be used to evaluate the performance of a model/agent etc.
     """
 
-    create_environment: Callable[
-        [], Environment
-    ]  # Specialized for tool usage; refactor potentially
-    """Factory that returns an environment."""
-
     description: str
     """Description of the task for a data science practitioner.
-    
+
     This can contain information about the task, the dataset, the tools available
     etc.
     """
 
-    instructions: str
-    """Instructions for the agent/chain/llm."""
-
     def _repr_html_(self) -> str:
         """Return an HTML representation of the environment."""
         table = [
             ["ID", self.id],
             ["Name", self.name],
+            ["Type", self.__class__.__name__],
             ["Dataset ID", self.dataset_id],
             ["Description", self.description[:100] + "..."],
         ]
@@ -60,3 +54,22 @@ def _repr_html_(self) -> str:
             table,
             tablefmt="html",
         )
+
+
+@dataclasses.dataclass(frozen=True)
+class ToolUsageTask(BaseTask):
+    """A definition for a task."""
+
+    create_environment: Callable[[], ToolUsageEnvironment]
+    """Factory that returns an environment."""
+
+    instructions: str
+    """Instructions for the agent/chain/llm."""
+
+
+@dataclasses.dataclass(frozen=True)
+class ExtractionTask(BaseTask):
+    """A definition for an extraction task."""
+
+    model: Type[BaseModel]
+    """Get the model for the task."""
diff --git a/langchain_benchmarks/tool_usage/environments/multiverse_math.py b/langchain_benchmarks/tool_usage/environments/multiverse_math.py
index b52d95cf..c300f785 100644
--- a/langchain_benchmarks/tool_usage/environments/multiverse_math.py
+++ b/langchain_benchmarks/tool_usage/environments/multiverse_math.py
@@ -14,7 +14,7 @@
 
 from langchain.tools import tool, BaseTool
 
-from langchain_benchmarks.schema import Environment
+from langchain_benchmarks.schema import ToolUsageEnv
 
 
 def multiply(a: float, b: float) -> float:
@@ -76,13 +76,13 @@ def negate(a: float) -> float:
 # PUBLIC API
 
 
-def get_environment() -> Environment:
+def get_environment() -> ToolUsageEnv:
     """Create an environment."""
     tools = cast(
         List[BaseTool],
         [tool(func) for func in [multiply, add, divide, subtract, power, log, negate]],
     )
-    return Environment(
+    return ToolUsageEnv(
         tools=tools,
         read_state=None,
     )
diff --git a/langchain_benchmarks/tool_usage/environments/relational_data.py b/langchain_benchmarks/tool_usage/environments/relational_data.py
index d7ce35e2..ba1eaf13 100644
--- a/langchain_benchmarks/tool_usage/environments/relational_data.py
+++ b/langchain_benchmarks/tool_usage/environments/relational_data.py
@@ -12,7 +12,7 @@
 
 from langchain.tools import BaseTool, tool
 
-from langchain_benchmarks.schema import Environment
+from langchain_benchmarks.schema import ToolUsageEnvironment
 
 USER_DATA = [
     # IDs are not consecutive to prevent agents from guessing the ID
@@ -397,9 +397,9 @@ def get_tools() -> List[BaseTool]:
     return [tool(f) for f in functions]
 
 
-def get_environment() -> Environment:
+def get_environment() -> ToolUsageEnvironment:
     """Create an environment."""
-    return Environment(
+    return ToolUsageEnvironment(
         tools=get_tools(),
         read_state=None,
     )
diff --git a/langchain_benchmarks/tool_usage/environments/type_writer.py b/langchain_benchmarks/tool_usage/environments/type_writer.py
index 5b1e55f8..2165762b 100644
--- a/langchain_benchmarks/tool_usage/environments/type_writer.py
+++ b/langchain_benchmarks/tool_usage/environments/type_writer.py
@@ -8,7 +8,7 @@
 
 from langchain.tools import BaseTool, tool
 
-from langchain_benchmarks.schema import Environment
+from langchain_benchmarks.schema import ToolUsageEnv
 
 
 @dataclasses.dataclass
@@ -32,7 +32,7 @@ def type_letter(letter: str) -> str:
 # PUBLIC API
 
 
-def get_environment() -> Environment:
+def get_environment() -> ToolUsageEnv:
     """Create tools and state reader.
 
     Attention: this is a factory function, so it will create a new environment
@@ -51,7 +51,7 @@ def _read_state() -> Any:
     # tools = cast(List[BaseTool], [tool(f) for f in functions])
     tools = cast(List[BaseTool], [tool(function(paper))])
 
-    return Environment(
+    return ToolUsageEnv(
         tools=tools,
         read_state=_read_state,
     )
diff --git a/langchain_benchmarks/tool_usage/environments/type_writer_26_funcs.py b/langchain_benchmarks/tool_usage/environments/type_writer_26_funcs.py
index 8150234a..002156f5 100644
--- a/langchain_benchmarks/tool_usage/environments/type_writer_26_funcs.py
+++ b/langchain_benchmarks/tool_usage/environments/type_writer_26_funcs.py
@@ -8,7 +8,7 @@
 
 from langchain.tools import BaseTool, tool
 
-from langchain_benchmarks.schema import Environment
+from langchain_benchmarks.schema import ToolUsageEnv
 
 
 @dataclasses.dataclass
@@ -40,7 +40,7 @@ def _get_available_functions(paper: Paper) -> List[Callable]:
 # PUBLIC API
 
 
-def get_environment() -> Environment:
+def get_environment() -> ToolUsageEnv:
     """Create tools and state reader.
 
     Attention: this is a factory function, so it will create a new environment
@@ -58,7 +58,7 @@ def _read_state() -> Any:
 
     tools = cast(List[BaseTool], [tool(f) for f in functions])
 
-    return Environment(
+    return ToolUsageEnv(
         tools=tools,
         read_state=_read_state,
     )
diff --git a/tests/unit_tests/extraction/__init__.py b/tests/unit_tests/extraction/__init__.py
new file mode 100644
index 00000000..e69de29b
diff --git a/tests/unit_tests/extraction/test_email_extraction.py b/tests/unit_tests/extraction/test_email_extraction.py
new file mode 100644
index 00000000..57bf3530
--- /dev/null
+++ b/tests/unit_tests/extraction/test_email_extraction.py
@@ -0,0 +1,3 @@
+def test_email_extraction() -> None:
+    """Try to import the email task."""
+    from langchain_benchmarks.extraction import email_task  # noqa: F401