add docstring and propagate arugment to signature

src/spikeinterface/extractors/neoextractors/plexon2.py

@@ -19,6 +19,13 @@ class Plexon2RecordingExtractor(NeoBaseRecordingExtractor):
         If there are several streams, specify the stream id you want to load.
     stream_name : str, default: None
         If there are several streams, specify the stream name you want to load.
+    use_names_as_ids:
+        If True, the names of the signals are used as channel ids. If False, the channel ids are a combination of the
+        source id and the channel index.
+
+        Example for widegain signals:
+            names: ["WB01", "WB02", "WB03", "WB04"]
+            ids: ["source3.1" , "source3.2", "source3.3", "source3.4"]
     all_annotations : bool, default: False
         Load exhaustively all annotations from neo.
     """
@@ -27,14 +34,14 @@ class Plexon2RecordingExtractor(NeoBaseRecordingExtractor):
     NeoRawIOClass = "Plexon2RawIO"
     name = "plexon2"
 
-    def __init__(self, file_path, stream_id=None, stream_name=None, all_annotations=False):
+    def __init__(self, file_path, stream_id=None, stream_name=None, use_names_as_ids=True, all_annotations=False):
         neo_kwargs = self.map_to_neo_kwargs(file_path)
         NeoBaseRecordingExtractor.__init__(
             self,
             stream_id=stream_id,
             stream_name=stream_name,
             all_annotations=all_annotations,
-            use_names_as_ids=True,
+            use_names_as_ids=use_names_as_ids,
             **neo_kwargs,
         )
         self._kwargs.update({"file_path": str(file_path)})