diff --git a/connector/connect/common/src/main/protobuf/spark/connect/relations.proto b/connector/connect/common/src/main/protobuf/spark/connect/relations.proto
index 97fc3a474f322..69451e7b76eef 100644
--- a/connector/connect/common/src/main/protobuf/spark/connect/relations.proto
+++ b/connector/connect/common/src/main/protobuf/spark/connect/relations.proto
@@ -60,7 +60,7 @@ message Relation {
     Unpivot unpivot = 25;
     ToSchema to_schema = 26;
     RepartitionByExpression repartition_by_expression = 27;
-    FrameMap frame_map = 28;
+    MapPartitions map_partitions = 28;
     CollectMetrics collect_metrics = 29;
     Parse parse = 30;
 
@@ -780,11 +780,11 @@ message RepartitionByExpression {
   optional int32 num_partitions = 3;
 }
 
-message FrameMap {
-  // (Required) Input relation for a Frame Map API: mapInPandas, mapInArrow.
+message MapPartitions {
+  // (Required) Input relation for a mapPartitions-equivalent API: mapInPandas, mapInArrow.
   Relation input = 1;
 
-  // (Required) Input user-defined function of a Frame Map API.
+  // (Required) Input user-defined function.
   CommonInlineUserDefinedFunction func = 2;
 }
 
diff --git a/connector/connect/server/src/main/scala/org/apache/spark/sql/connect/planner/SparkConnectPlanner.scala b/connector/connect/server/src/main/scala/org/apache/spark/sql/connect/planner/SparkConnectPlanner.scala
index 9a8402a1e98ba..cd4da39d62fe9 100644
--- a/connector/connect/server/src/main/scala/org/apache/spark/sql/connect/planner/SparkConnectPlanner.scala
+++ b/connector/connect/server/src/main/scala/org/apache/spark/sql/connect/planner/SparkConnectPlanner.scala
@@ -114,8 +114,8 @@ class SparkConnectPlanner(val session: SparkSession) {
       case proto.Relation.RelTypeCase.UNPIVOT => transformUnpivot(rel.getUnpivot)
       case proto.Relation.RelTypeCase.REPARTITION_BY_EXPRESSION =>
         transformRepartitionByExpression(rel.getRepartitionByExpression)
-      case proto.Relation.RelTypeCase.FRAME_MAP =>
-        transformFrameMap(rel.getFrameMap)
+      case proto.Relation.RelTypeCase.MAP_PARTITIONS =>
+        transformMapPartitions(rel.getMapPartitions)
       case proto.Relation.RelTypeCase.COLLECT_METRICS =>
         transformCollectMetrics(rel.getCollectMetrics)
       case proto.Relation.RelTypeCase.PARSE => transformParse(rel.getParse)
@@ -471,7 +471,7 @@ class SparkConnectPlanner(val session: SparkSession) {
       .logicalPlan
   }
 
-  private def transformFrameMap(rel: proto.FrameMap): LogicalPlan = {
+  private def transformMapPartitions(rel: proto.MapPartitions): LogicalPlan = {
     val commonUdf = rel.getFunc
     val pythonUdf = transformPythonUDF(commonUdf)
     pythonUdf.evalType match {
diff --git a/python/pyspark/sql/connect/dataframe.py b/python/pyspark/sql/connect/dataframe.py
index 504b83d116535..69921896f4674 100644
--- a/python/pyspark/sql/connect/dataframe.py
+++ b/python/pyspark/sql/connect/dataframe.py
@@ -1585,7 +1585,7 @@ def mapInPandas(
         )
 
         return DataFrame.withPlan(
-            plan.FrameMap(child=self._plan, function=udf_obj, cols=self.columns),
+            plan.MapPartitions(child=self._plan, function=udf_obj, cols=self.columns),
             session=self._session,
         )
 
diff --git a/python/pyspark/sql/connect/plan.py b/python/pyspark/sql/connect/plan.py
index 7444cd14c184f..8e4db63dc7e8b 100644
--- a/python/pyspark/sql/connect/plan.py
+++ b/python/pyspark/sql/connect/plan.py
@@ -1901,8 +1901,8 @@ def plan(self, session: "SparkConnectClient") -> proto.Relation:
         return proto.Relation(catalog=proto.Catalog(list_catalogs=proto.ListCatalogs()))
 
 
-class FrameMap(LogicalPlan):
-    """Logical plan object for a Frame Map API: mapInPandas, mapInArrow."""
+class MapPartitions(LogicalPlan):
+    """Logical plan object for a mapPartitions-equivalent API: mapInPandas, mapInArrow."""
 
     def __init__(
         self, child: Optional["LogicalPlan"], function: "UserDefinedFunction", cols: List[str]
@@ -1914,8 +1914,8 @@ def __init__(
     def plan(self, session: "SparkConnectClient") -> proto.Relation:
         assert self._child is not None
         plan = self._create_proto_relation()
-        plan.frame_map.input.CopyFrom(self._child.plan(session))
-        plan.frame_map.func.CopyFrom(self._func.to_plan_udf(session))
+        plan.map_partitions.input.CopyFrom(self._child.plan(session))
+        plan.map_partitions.func.CopyFrom(self._func.to_plan_udf(session))
         return plan
 
 
diff --git a/python/pyspark/sql/connect/proto/relations_pb2.py b/python/pyspark/sql/connect/proto/relations_pb2.py
index 81fa3916c5aa9..521a10f214cc2 100644
--- a/python/pyspark/sql/connect/proto/relations_pb2.py
+++ b/python/pyspark/sql/connect/proto/relations_pb2.py
@@ -36,7 +36,7 @@
 
 
 DESCRIPTOR = _descriptor_pool.Default().AddSerializedFile(
-    b'\n\x1dspark/connect/relations.proto\x12\rspark.connect\x1a\x19google/protobuf/any.proto\x1a\x1fspark/connect/expressions.proto\x1a\x19spark/connect/types.proto\x1a\x1bspark/connect/catalog.proto"\xa9\x13\n\x08Relation\x12\x35\n\x06\x63ommon\x18\x01 \x01(\x0b\x32\x1d.spark.connect.RelationCommonR\x06\x63ommon\x12)\n\x04read\x18\x02 \x01(\x0b\x32\x13.spark.connect.ReadH\x00R\x04read\x12\x32\n\x07project\x18\x03 \x01(\x0b\x32\x16.spark.connect.ProjectH\x00R\x07project\x12/\n\x06\x66ilter\x18\x04 \x01(\x0b\x32\x15.spark.connect.FilterH\x00R\x06\x66ilter\x12)\n\x04join\x18\x05 \x01(\x0b\x32\x13.spark.connect.JoinH\x00R\x04join\x12\x34\n\x06set_op\x18\x06 \x01(\x0b\x32\x1b.spark.connect.SetOperationH\x00R\x05setOp\x12)\n\x04sort\x18\x07 \x01(\x0b\x32\x13.spark.connect.SortH\x00R\x04sort\x12,\n\x05limit\x18\x08 \x01(\x0b\x32\x14.spark.connect.LimitH\x00R\x05limit\x12\x38\n\taggregate\x18\t \x01(\x0b\x32\x18.spark.connect.AggregateH\x00R\taggregate\x12&\n\x03sql\x18\n 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 )
 
 
@@ -91,7 +91,7 @@
 _UNPIVOT_VALUES = _UNPIVOT.nested_types_by_name["Values"]
 _TOSCHEMA = DESCRIPTOR.message_types_by_name["ToSchema"]
 _REPARTITIONBYEXPRESSION = DESCRIPTOR.message_types_by_name["RepartitionByExpression"]
-_FRAMEMAP = DESCRIPTOR.message_types_by_name["FrameMap"]
+_MAPPARTITIONS = DESCRIPTOR.message_types_by_name["MapPartitions"]
 _COLLECTMETRICS = DESCRIPTOR.message_types_by_name["CollectMetrics"]
 _PARSE = DESCRIPTOR.message_types_by_name["Parse"]
 _PARSE_OPTIONSENTRY = _PARSE.nested_types_by_name["OptionsEntry"]
@@ -629,16 +629,16 @@
 )
 _sym_db.RegisterMessage(RepartitionByExpression)
 
-FrameMap = _reflection.GeneratedProtocolMessageType(
-    "FrameMap",
+MapPartitions = _reflection.GeneratedProtocolMessageType(
+    "MapPartitions",
     (_message.Message,),
     {
-        "DESCRIPTOR": _FRAMEMAP,
+        "DESCRIPTOR": _MAPPARTITIONS,
         "__module__": "spark.connect.relations_pb2"
-        # @@protoc_insertion_point(class_scope:spark.connect.FrameMap)
+        # @@protoc_insertion_point(class_scope:spark.connect.MapPartitions)
     },
 )
-_sym_db.RegisterMessage(FrameMap)
+_sym_db.RegisterMessage(MapPartitions)
 
 CollectMetrics = _reflection.GeneratedProtocolMessageType(
     "CollectMetrics",
@@ -685,117 +685,117 @@
     _PARSE_OPTIONSENTRY._options = None
     _PARSE_OPTIONSENTRY._serialized_options = b"8\001"
     _RELATION._serialized_start = 165
-    _RELATION._serialized_end = 2638
-    _UNKNOWN._serialized_start = 2640
-    _UNKNOWN._serialized_end = 2649
-    _RELATIONCOMMON._serialized_start = 2651
-    _RELATIONCOMMON._serialized_end = 2742
-    _SQL._serialized_start = 2745
-    _SQL._serialized_end = 2879
-    _SQL_ARGSENTRY._serialized_start = 2824
-    _SQL_ARGSENTRY._serialized_end = 2879
-    _READ._serialized_start = 2882
-    _READ._serialized_end = 3378
-    _READ_NAMEDTABLE._serialized_start = 3024
-    _READ_NAMEDTABLE._serialized_end = 3085
-    _READ_DATASOURCE._serialized_start = 3088
-    _READ_DATASOURCE._serialized_end = 3365
-    _READ_DATASOURCE_OPTIONSENTRY._serialized_start = 3285
-    _READ_DATASOURCE_OPTIONSENTRY._serialized_end = 3343
-    _PROJECT._serialized_start = 3380
-    _PROJECT._serialized_end = 3497
-    _FILTER._serialized_start = 3499
-    _FILTER._serialized_end = 3611
-    _JOIN._serialized_start = 3614
-    _JOIN._serialized_end = 4085
-    _JOIN_JOINTYPE._serialized_start = 3877
-    _JOIN_JOINTYPE._serialized_end = 4085
-    _SETOPERATION._serialized_start = 4088
-    _SETOPERATION._serialized_end = 4567
-    _SETOPERATION_SETOPTYPE._serialized_start = 4404
-    _SETOPERATION_SETOPTYPE._serialized_end = 4518
-    _LIMIT._serialized_start = 4569
-    _LIMIT._serialized_end = 4645
-    _OFFSET._serialized_start = 4647
-    _OFFSET._serialized_end = 4726
-    _TAIL._serialized_start = 4728
-    _TAIL._serialized_end = 4803
-    _AGGREGATE._serialized_start = 4806
-    _AGGREGATE._serialized_end = 5388
-    _AGGREGATE_PIVOT._serialized_start = 5145
-    _AGGREGATE_PIVOT._serialized_end = 5256
-    _AGGREGATE_GROUPTYPE._serialized_start = 5259
-    _AGGREGATE_GROUPTYPE._serialized_end = 5388
-    _SORT._serialized_start = 5391
-    _SORT._serialized_end = 5551
-    _DROP._serialized_start = 5554
-    _DROP._serialized_end = 5695
-    _DEDUPLICATE._serialized_start = 5698
-    _DEDUPLICATE._serialized_end = 5869
-    _LOCALRELATION._serialized_start = 5871
-    _LOCALRELATION._serialized_end = 5960
-    _SAMPLE._serialized_start = 5963
-    _SAMPLE._serialized_end = 6236
-    _RANGE._serialized_start = 6239
-    _RANGE._serialized_end = 6384
-    _SUBQUERYALIAS._serialized_start = 6386
-    _SUBQUERYALIAS._serialized_end = 6500
-    _REPARTITION._serialized_start = 6503
-    _REPARTITION._serialized_end = 6645
-    _SHOWSTRING._serialized_start = 6648
-    _SHOWSTRING._serialized_end = 6790
-    _STATSUMMARY._serialized_start = 6792
-    _STATSUMMARY._serialized_end = 6884
-    _STATDESCRIBE._serialized_start = 6886
-    _STATDESCRIBE._serialized_end = 6967
-    _STATCROSSTAB._serialized_start = 6969
-    _STATCROSSTAB._serialized_end = 7070
-    _STATCOV._serialized_start = 7072
-    _STATCOV._serialized_end = 7168
-    _STATCORR._serialized_start = 7171
-    _STATCORR._serialized_end = 7308
-    _STATAPPROXQUANTILE._serialized_start = 7311
-    _STATAPPROXQUANTILE._serialized_end = 7475
-    _STATFREQITEMS._serialized_start = 7477
-    _STATFREQITEMS._serialized_end = 7602
-    _STATSAMPLEBY._serialized_start = 7605
-    _STATSAMPLEBY._serialized_end = 7914
-    _STATSAMPLEBY_FRACTION._serialized_start = 7806
-    _STATSAMPLEBY_FRACTION._serialized_end = 7905
-    _NAFILL._serialized_start = 7917
-    _NAFILL._serialized_end = 8051
-    _NADROP._serialized_start = 8054
-    _NADROP._serialized_end = 8188
-    _NAREPLACE._serialized_start = 8191
-    _NAREPLACE._serialized_end = 8487
-    _NAREPLACE_REPLACEMENT._serialized_start = 8346
-    _NAREPLACE_REPLACEMENT._serialized_end = 8487
-    _TODF._serialized_start = 8489
-    _TODF._serialized_end = 8577
-    _WITHCOLUMNSRENAMED._serialized_start = 8580
-    _WITHCOLUMNSRENAMED._serialized_end = 8819
-    _WITHCOLUMNSRENAMED_RENAMECOLUMNSMAPENTRY._serialized_start = 8752
-    _WITHCOLUMNSRENAMED_RENAMECOLUMNSMAPENTRY._serialized_end = 8819
-    _WITHCOLUMNS._serialized_start = 8821
-    _WITHCOLUMNS._serialized_end = 8940
-    _HINT._serialized_start = 8943
-    _HINT._serialized_end = 9075
-    _UNPIVOT._serialized_start = 9078
-    _UNPIVOT._serialized_end = 9405
-    _UNPIVOT_VALUES._serialized_start = 9335
-    _UNPIVOT_VALUES._serialized_end = 9394
-    _TOSCHEMA._serialized_start = 9407
-    _TOSCHEMA._serialized_end = 9513
-    _REPARTITIONBYEXPRESSION._serialized_start = 9516
-    _REPARTITIONBYEXPRESSION._serialized_end = 9719
-    _FRAMEMAP._serialized_start = 9721
-    _FRAMEMAP._serialized_end = 9846
-    _COLLECTMETRICS._serialized_start = 9849
-    _COLLECTMETRICS._serialized_end = 9985
-    _PARSE._serialized_start = 9988
-    _PARSE._serialized_end = 10376
-    _PARSE_OPTIONSENTRY._serialized_start = 3285
-    _PARSE_OPTIONSENTRY._serialized_end = 3343
-    _PARSE_PARSEFORMAT._serialized_start = 10277
-    _PARSE_PARSEFORMAT._serialized_end = 10365
+    _RELATION._serialized_end = 2653
+    _UNKNOWN._serialized_start = 2655
+    _UNKNOWN._serialized_end = 2664
+    _RELATIONCOMMON._serialized_start = 2666
+    _RELATIONCOMMON._serialized_end = 2757
+    _SQL._serialized_start = 2760
+    _SQL._serialized_end = 2894
+    _SQL_ARGSENTRY._serialized_start = 2839
+    _SQL_ARGSENTRY._serialized_end = 2894
+    _READ._serialized_start = 2897
+    _READ._serialized_end = 3393
+    _READ_NAMEDTABLE._serialized_start = 3039
+    _READ_NAMEDTABLE._serialized_end = 3100
+    _READ_DATASOURCE._serialized_start = 3103
+    _READ_DATASOURCE._serialized_end = 3380
+    _READ_DATASOURCE_OPTIONSENTRY._serialized_start = 3300
+    _READ_DATASOURCE_OPTIONSENTRY._serialized_end = 3358
+    _PROJECT._serialized_start = 3395
+    _PROJECT._serialized_end = 3512
+    _FILTER._serialized_start = 3514
+    _FILTER._serialized_end = 3626
+    _JOIN._serialized_start = 3629
+    _JOIN._serialized_end = 4100
+    _JOIN_JOINTYPE._serialized_start = 3892
+    _JOIN_JOINTYPE._serialized_end = 4100
+    _SETOPERATION._serialized_start = 4103
+    _SETOPERATION._serialized_end = 4582
+    _SETOPERATION_SETOPTYPE._serialized_start = 4419
+    _SETOPERATION_SETOPTYPE._serialized_end = 4533
+    _LIMIT._serialized_start = 4584
+    _LIMIT._serialized_end = 4660
+    _OFFSET._serialized_start = 4662
+    _OFFSET._serialized_end = 4741
+    _TAIL._serialized_start = 4743
+    _TAIL._serialized_end = 4818
+    _AGGREGATE._serialized_start = 4821
+    _AGGREGATE._serialized_end = 5403
+    _AGGREGATE_PIVOT._serialized_start = 5160
+    _AGGREGATE_PIVOT._serialized_end = 5271
+    _AGGREGATE_GROUPTYPE._serialized_start = 5274
+    _AGGREGATE_GROUPTYPE._serialized_end = 5403
+    _SORT._serialized_start = 5406
+    _SORT._serialized_end = 5566
+    _DROP._serialized_start = 5569
+    _DROP._serialized_end = 5710
+    _DEDUPLICATE._serialized_start = 5713
+    _DEDUPLICATE._serialized_end = 5884
+    _LOCALRELATION._serialized_start = 5886
+    _LOCALRELATION._serialized_end = 5975
+    _SAMPLE._serialized_start = 5978
+    _SAMPLE._serialized_end = 6251
+    _RANGE._serialized_start = 6254
+    _RANGE._serialized_end = 6399
+    _SUBQUERYALIAS._serialized_start = 6401
+    _SUBQUERYALIAS._serialized_end = 6515
+    _REPARTITION._serialized_start = 6518
+    _REPARTITION._serialized_end = 6660
+    _SHOWSTRING._serialized_start = 6663
+    _SHOWSTRING._serialized_end = 6805
+    _STATSUMMARY._serialized_start = 6807
+    _STATSUMMARY._serialized_end = 6899
+    _STATDESCRIBE._serialized_start = 6901
+    _STATDESCRIBE._serialized_end = 6982
+    _STATCROSSTAB._serialized_start = 6984
+    _STATCROSSTAB._serialized_end = 7085
+    _STATCOV._serialized_start = 7087
+    _STATCOV._serialized_end = 7183
+    _STATCORR._serialized_start = 7186
+    _STATCORR._serialized_end = 7323
+    _STATAPPROXQUANTILE._serialized_start = 7326
+    _STATAPPROXQUANTILE._serialized_end = 7490
+    _STATFREQITEMS._serialized_start = 7492
+    _STATFREQITEMS._serialized_end = 7617
+    _STATSAMPLEBY._serialized_start = 7620
+    _STATSAMPLEBY._serialized_end = 7929
+    _STATSAMPLEBY_FRACTION._serialized_start = 7821
+    _STATSAMPLEBY_FRACTION._serialized_end = 7920
+    _NAFILL._serialized_start = 7932
+    _NAFILL._serialized_end = 8066
+    _NADROP._serialized_start = 8069
+    _NADROP._serialized_end = 8203
+    _NAREPLACE._serialized_start = 8206
+    _NAREPLACE._serialized_end = 8502
+    _NAREPLACE_REPLACEMENT._serialized_start = 8361
+    _NAREPLACE_REPLACEMENT._serialized_end = 8502
+    _TODF._serialized_start = 8504
+    _TODF._serialized_end = 8592
+    _WITHCOLUMNSRENAMED._serialized_start = 8595
+    _WITHCOLUMNSRENAMED._serialized_end = 8834
+    _WITHCOLUMNSRENAMED_RENAMECOLUMNSMAPENTRY._serialized_start = 8767
+    _WITHCOLUMNSRENAMED_RENAMECOLUMNSMAPENTRY._serialized_end = 8834
+    _WITHCOLUMNS._serialized_start = 8836
+    _WITHCOLUMNS._serialized_end = 8955
+    _HINT._serialized_start = 8958
+    _HINT._serialized_end = 9090
+    _UNPIVOT._serialized_start = 9093
+    _UNPIVOT._serialized_end = 9420
+    _UNPIVOT_VALUES._serialized_start = 9350
+    _UNPIVOT_VALUES._serialized_end = 9409
+    _TOSCHEMA._serialized_start = 9422
+    _TOSCHEMA._serialized_end = 9528
+    _REPARTITIONBYEXPRESSION._serialized_start = 9531
+    _REPARTITIONBYEXPRESSION._serialized_end = 9734
+    _MAPPARTITIONS._serialized_start = 9737
+    _MAPPARTITIONS._serialized_end = 9867
+    _COLLECTMETRICS._serialized_start = 9870
+    _COLLECTMETRICS._serialized_end = 10006
+    _PARSE._serialized_start = 10009
+    _PARSE._serialized_end = 10397
+    _PARSE_OPTIONSENTRY._serialized_start = 3300
+    _PARSE_OPTIONSENTRY._serialized_end = 3358
+    _PARSE_PARSEFORMAT._serialized_start = 10298
+    _PARSE_PARSEFORMAT._serialized_end = 10386
 # @@protoc_insertion_point(module_scope)
diff --git a/python/pyspark/sql/connect/proto/relations_pb2.pyi b/python/pyspark/sql/connect/proto/relations_pb2.pyi
index edaab7bcb7796..ab1561996ef21 100644
--- a/python/pyspark/sql/connect/proto/relations_pb2.pyi
+++ b/python/pyspark/sql/connect/proto/relations_pb2.pyi
@@ -89,7 +89,7 @@ class Relation(google.protobuf.message.Message):
     UNPIVOT_FIELD_NUMBER: builtins.int
     TO_SCHEMA_FIELD_NUMBER: builtins.int
     REPARTITION_BY_EXPRESSION_FIELD_NUMBER: builtins.int
-    FRAME_MAP_FIELD_NUMBER: builtins.int
+    MAP_PARTITIONS_FIELD_NUMBER: builtins.int
     COLLECT_METRICS_FIELD_NUMBER: builtins.int
     PARSE_FIELD_NUMBER: builtins.int
     FILL_NA_FIELD_NUMBER: builtins.int
@@ -161,7 +161,7 @@ class Relation(google.protobuf.message.Message):
     @property
     def repartition_by_expression(self) -> global___RepartitionByExpression: ...
     @property
-    def frame_map(self) -> global___FrameMap: ...
+    def map_partitions(self) -> global___MapPartitions: ...
     @property
     def collect_metrics(self) -> global___CollectMetrics: ...
     @property
@@ -230,7 +230,7 @@ class Relation(google.protobuf.message.Message):
         unpivot: global___Unpivot | None = ...,
         to_schema: global___ToSchema | None = ...,
         repartition_by_expression: global___RepartitionByExpression | None = ...,
-        frame_map: global___FrameMap | None = ...,
+        map_partitions: global___MapPartitions | None = ...,
         collect_metrics: global___CollectMetrics | None = ...,
         parse: global___Parse | None = ...,
         fill_na: global___NAFill | None = ...,
@@ -281,8 +281,6 @@ class Relation(google.protobuf.message.Message):
             b"fill_na",
             "filter",
             b"filter",
-            "frame_map",
-            b"frame_map",
             "freq_items",
             b"freq_items",
             "hint",
@@ -293,6 +291,8 @@ class Relation(google.protobuf.message.Message):
             b"limit",
             "local_relation",
             b"local_relation",
+            "map_partitions",
+            b"map_partitions",
             "offset",
             b"offset",
             "parse",
@@ -376,8 +376,6 @@ class Relation(google.protobuf.message.Message):
             b"fill_na",
             "filter",
             b"filter",
-            "frame_map",
-            b"frame_map",
             "freq_items",
             b"freq_items",
             "hint",
@@ -388,6 +386,8 @@ class Relation(google.protobuf.message.Message):
             b"limit",
             "local_relation",
             b"local_relation",
+            "map_partitions",
+            b"map_partitions",
             "offset",
             b"offset",
             "parse",
@@ -467,7 +467,7 @@ class Relation(google.protobuf.message.Message):
         "unpivot",
         "to_schema",
         "repartition_by_expression",
-        "frame_map",
+        "map_partitions",
         "collect_metrics",
         "parse",
         "fill_na",
@@ -2706,17 +2706,17 @@ class RepartitionByExpression(google.protobuf.message.Message):
 
 global___RepartitionByExpression = RepartitionByExpression
 
-class FrameMap(google.protobuf.message.Message):
+class MapPartitions(google.protobuf.message.Message):
     DESCRIPTOR: google.protobuf.descriptor.Descriptor
 
     INPUT_FIELD_NUMBER: builtins.int
     FUNC_FIELD_NUMBER: builtins.int
     @property
     def input(self) -> global___Relation:
-        """(Required) Input relation for a Frame Map API: mapInPandas, mapInArrow."""
+        """(Required) Input relation for a mapPartitions-equivalent API: mapInPandas, mapInArrow."""
     @property
     def func(self) -> pyspark.sql.connect.proto.expressions_pb2.CommonInlineUserDefinedFunction:
-        """(Required) Input user-defined function of a Frame Map API."""
+        """(Required) Input user-defined function."""
     def __init__(
         self,
         *,
@@ -2731,7 +2731,7 @@ class FrameMap(google.protobuf.message.Message):
         self, field_name: typing_extensions.Literal["func", b"func", "input", b"input"]
     ) -> None: ...
 
-global___FrameMap = FrameMap
+global___MapPartitions = MapPartitions
 
 class CollectMetrics(google.protobuf.message.Message):
     """Collect arbitrary (named) metrics from a dataset."""