diff --git a/src/hera/value_from.py b/src/hera/value_from.py
index 91eb3fad7..f682e655f 100644
--- a/src/hera/value_from.py
+++ b/src/hera/value_from.py
@@ -7,13 +7,31 @@
 )
 
 
+@dataclass
+class ConfigMapKeyRef:
+    """Holds the ConfigMap reference.
+
+    Attributes
+    ----------
+    key: str
+        The key to select.
+    name: str
+        The ConfigMap to select from.
+    optional: bool
+        Specify whether the ConfigMap or its key must be defined.
+    """
+    key: str
+    name: str
+    optional: bool = False
+
+
 @dataclass
 class ValueFrom:
     """Holds descriptions of where to obtain parameter values from.
 
     Attributes
     ----------
-    config_map_key_ref: Optional[str] = None
+    config_map_key_ref: Optional[ConfigMapKeyRef] = None
         A selector that identifies a config map to obtain the value from.
     default: Optional[str] = None
         Specifies a value to be used if retrieving the value from the specified source fails.
@@ -40,7 +58,7 @@ class ValueFrom:
     See: https://argoproj.github.io/argo-workflows/fields/#valuefrom
     """
 
-    config_map_key_ref: Optional[str] = None
+    config_map_key_ref: Optional[ConfigMapKeyRef] = None
     default: Optional[str] = None
     event: Optional[str] = None
     expression: Optional[str] = None
@@ -58,7 +76,15 @@ def __post_init__(self):
     def build(self) -> IoArgoprojWorkflowV1alpha1ValueFrom:
         value_from = IoArgoprojWorkflowV1alpha1ValueFrom()
         if self.config_map_key_ref is not None:
-            setattr(value_from, "config_map_key_ref", ConfigMapKeySelector(self.config_map_key_ref))
+            setattr(
+                value_from,
+                "config_map_key_ref",
+                ConfigMapKeySelector(
+                    key=self.config_map_key_ref.key,
+                    name=self.config_map_key_ref.name,
+                    optional=self.config_map_key_ref.optional,
+                ),
+            )
         if self.default is not None:
             setattr(value_from, "default", self.default)
         if self.event is not None:
diff --git a/tests/test_value_from.py b/tests/test_value_from.py
index b9ba56fb2..5b7ccf36b 100644
--- a/tests/test_value_from.py
+++ b/tests/test_value_from.py
@@ -4,7 +4,7 @@
     IoArgoprojWorkflowV1alpha1ValueFrom,
 )
 
-from hera.value_from import ValueFrom
+from hera.value_from import ConfigMapKeyRef, ValueFrom
 
 
 class TestValueFrom:
@@ -14,13 +14,14 @@ def test_raises_on_all_none_fields(self):
         assert str(e.value) == "At least one fields must be not `None` for `ValueFrom`"
 
     def test_builds_as_expected(self):
-        vf_ = ValueFrom(config_map_key_ref="abc")
+        vf_ = ValueFrom(config_map_key_ref=ConfigMapKeyRef(key="abc", name="cm"))
         vf = vf_.build()
         assert isinstance(vf, IoArgoprojWorkflowV1alpha1ValueFrom)
         assert hasattr(vf, "config_map_key_ref")
         assert isinstance(vf.config_map_key_ref, ConfigMapKeySelector)
         assert hasattr(vf.config_map_key_ref, "key")
         assert vf.config_map_key_ref.key == "abc"
+        assert vf.config_map_key_ref.name == "cm"
         assert not hasattr(vf, "default")
         assert not hasattr(vf, "event")
         assert not hasattr(vf, "expression")