diff --git a/example_rules/models/base.sml b/example_rules/models/base.sml
index 1b21ced..312ce12 100644
--- a/example_rules/models/base.sml
+++ b/example_rules/models/base.sml
@@ -12,3 +12,5 @@ EventType: Entity[str] = EntityJson(
 
 ActionName=GetActionName()
 
+ActionId=GetActionId()
+
diff --git a/osprey_worker/src/osprey/engine/executor/execution_context.py b/osprey_worker/src/osprey/engine/executor/execution_context.py
index 9454bf6..88c00fb 100644
--- a/osprey_worker/src/osprey/engine/executor/execution_context.py
+++ b/osprey_worker/src/osprey/engine/executor/execution_context.py
@@ -172,6 +172,10 @@ class ExecutionContext:
         """Returns the action name that the execution context is currently being invoked upon."""
         return self._action.action_name
 
+    def get_action_id(self) -> int:
+        """Returns the action id of the event that the execution context is currently being invoked upon."""
+        return self._action.action_id
+
     def get_action_time(self) -> datetime:
         """Returns the time of the action that the execution context is currently being invoked upon."""
         return self._action.timestamp
diff --git a/osprey_worker/src/osprey/engine/stdlib/udfs/get_action_id.py b/osprey_worker/src/osprey/engine/stdlib/udfs/get_action_id.py
new file mode 100644
index 0000000..aae2a3e
--- /dev/null
+++ b/osprey_worker/src/osprey/engine/stdlib/udfs/get_action_id.py
@@ -0,0 +1,15 @@
+from ._prelude import ArgumentsBase, ExecutionContext, UDFBase
+from .categories import UdfCategories
+
+
+class Arguments(ArgumentsBase):
+    pass
+
+
+class GetActionId(UDFBase[Arguments, int]):
+    """Returns the Action ID of the event being processed."""
+
+    category = UdfCategories.ENGINE
+
+    def execute(self, execution_context: ExecutionContext, arguments: Arguments) -> int:
+        return execution_context.get_action_id()
diff --git a/osprey_worker/src/osprey/engine/stdlib/udfs/tests/test_get_action_id.py b/osprey_worker/src/osprey/engine/stdlib/udfs/tests/test_get_action_id.py
new file mode 100644
index 0000000..e060e48
--- /dev/null
+++ b/osprey_worker/src/osprey/engine/stdlib/udfs/tests/test_get_action_id.py
@@ -0,0 +1,16 @@
+import pytest
+from osprey.engine.ast_validator.validators.validate_call_kwargs import ValidateCallKwargs
+from osprey.engine.conftest import ExecuteFunction
+from osprey.engine.stdlib.udfs.get_action_id import GetActionId
+from osprey.engine.udf.registry import UDFRegistry
+
+pytestmark = [
+    pytest.mark.use_validators([ValidateCallKwargs]),
+    pytest.mark.use_udf_registry(UDFRegistry.with_udfs(GetActionId)),
+]
+
+
+def test_execute(execute: ExecuteFunction) -> None:
+    data = execute('ActionId = GetActionId()', data={}, action_id=42)
+
+    assert data == {'ActionId': 42}
diff --git a/osprey_worker/src/osprey/worker/_stdlibplugin/udf_register.py b/osprey_worker/src/osprey/worker/_stdlibplugin/udf_register.py
index 1565b93..b647bd5 100644
--- a/osprey_worker/src/osprey/worker/_stdlibplugin/udf_register.py
+++ b/osprey_worker/src/osprey/worker/_stdlibplugin/udf_register.py
@@ -12,6 +12,7 @@ from osprey.engine.stdlib.udfs.experiments import (
     InExperiment,
 )
 from osprey.engine.stdlib.udfs.extract_cookie import ExtractCookie
+from osprey.engine.stdlib.udfs.get_action_id import GetActionId
 from osprey.engine.stdlib.udfs.get_action_name import GetActionName
 from osprey.engine.stdlib.udfs.import_ import Import
 from osprey.engine.stdlib.udfs.ip_network import IpNetwork
@@ -86,6 +87,7 @@ def register_udfs() -> Sequence[Type[UDFBase[Any, Any]]]:
         ExperimentsBucketAssignment,
         InExperiment,
         ExtractCookie,
+        GetActionId,
         GetActionName,
         HasLabel,
         Import,