diff --git a/src/onestep/onestep.py b/src/onestep/onestep.py
index 6d3cc16..96b54c3 100644
--- a/src/onestep/onestep.py
+++ b/src/onestep/onestep.py
@@ -241,6 +241,7 @@ def __init__(self,
         }
 
     def __call__(self, func, *_args, **_kwargs):
+        func.__step_params__ = self.params
         if iscoroutinefunction(func) or isasyncgenfunction(func):
             os = AsyncOneStep(fn=func, **self.params)
         else:
diff --git a/tests/test_step_params.py b/tests/test_step_params.py
new file mode 100644
index 0000000..da441bc
--- /dev/null
+++ b/tests/test_step_params.py
@@ -0,0 +1,20 @@
+import pytest
+
+from onestep import step
+from onestep.broker import MemoryBroker
+
+
+@pytest.fixture
+def broker():
+    return MemoryBroker()
+
+
+def test_func(broker):
+
+    @step(from_broker=broker, name="do_some_thing")
+    def do_some_thing(message):
+        ...
+    assert do_some_thing.__step_params__ is not None
+
+    assert do_some_thing.__step_params__["from_broker"] == broker
+    assert do_some_thing.__step_params__["name"] == "do_some_thing"
\ No newline at end of file