parent_id.patch

diff --git a/workbench b/workbench
index 9c00c66..75ef410 100755
--- a/workbench
+++ b/workbench
@@ -67,6 +67,9 @@ def create():
     csv_data = get_csv_data(config)
     csv_column_headers = csv_data.fieldnames
 
+    field_vocabs = get_field_vocabularies(config, field_definitions, "field_model")
+    page_tid = prepare_term_id(config, field_vocabs, "field_name", "Page")    
+
     if 'parent_id' in csv_column_headers and config['query_csv_id_to_node_id_map_for_parents'] is False:
         message = "Only node IDs for parents created during this session will be used (not using the CSV ID to node ID map)."
         print(message)
@@ -147,7 +150,10 @@ def create():
         # If a node with an ID that matches the current item's 'parent_id'
         # value has just been created, make the item a child of the node.
         if 'parent_id' in row.keys() and row['parent_id'] in node_ids:
-            row['field_member_of'] = node_ids[row['parent_id']]
+            if row['field_model'] == "Page" or row['field_model'] == str(page_tid):
+                node['field_part_of'] = [{'target_id': node_ids[row['parent_id']], 'target_type': 'node_type'}]
+            else:            
+                row['field_member_of'] = node_ids[row['parent_id']]
 
         # Since all nodes, both ones just created and also ones created in previous runs of
         # Workbench, may have entries in the node ID map database, we always query it.
@@ -165,7 +171,10 @@ def create():
                 if parent_node_exists is True:
                     parent_node_ids_from_id_map.append(parent_in_id_map_row['node_id'])
             if len(parent_node_ids_from_id_map) == 1:
-                row['field_member_of'] = parent_node_ids_from_id_map[0]
+                if row['field_model'] == "Page" or row['field_model'] == str(page_tid):
+                    node['field_part_of'] = [{'target_id': parent_node_ids_from_id_map[0], 'target_type': 'node_type'}]
+                else:
+                    row['field_member_of'] = parent_node_ids_from_id_map[0]
                 current_parent_node_id = parent_node_ids_from_id_map[0]
             if len(parent_node_ids_from_id_map) > 1:
                 message = f"Review your Workbench log for problems with the \"parent_id\" value in row with ID \"{id_field}\" in your input CSV data."
@@ -263,7 +272,10 @@ def create():
             # use the in-session node_ids list to track and assign parent node IDs.
             if config['query_csv_id_to_node_id_map_for_parents'] is False:
                 if 'parent_id' in row and row['parent_id'] in node_ids.keys():
-                    node['field_member_of'] = [{'target_id': node_ids[row['parent_id']], 'target_type': 'node_type'}]
+                    if row['field_model'] == "Page" or row['field_model'] == str(page_tid):
+                        node['field_part_of'] = [{'target_id': node_ids[row['parent_id']], 'target_type': 'node_type'}]
+                    else:                       
+                        node['field_member_of'] = [{'target_id': node_ids[row['parent_id']], 'target_type': 'node_type'}]
 
         node_headers = {'Content-Type': 'application/json'}
         node_endpoint = '/node?_format=json'