{monitor} Fix az monitor workspace saved-search examples

src/azure-cli/azure/cli/command_modules/monitor/_help.py

@@ -1303,15 +1303,15 @@
 short-summary: Create a saved search for a given workspace.
 examples:
   - name: Create a saved search for a given workspace.
-    text: az monitor log-analytics workspace saved-search create -g MyRG --workspace-name MyWS -n MySavedSearch --category Test1 --display-name TestSavedSearch -q "AzureActivity | summarize count() by bin(timestamp, 1h)" --fa myfun --fp "a:string = value"
+    text: az monitor log-analytics workspace saved-search create -g MyRG --workspace-name MyWS -n MySavedSearch --category Test1 --display-name TestSavedSearch -q "AzureActivity | summarize count() by bin(TimeGenerated, 1h)" --fa myfun --fp "a:string = value"
 """
 
 helps['monitor log-analytics workspace saved-search update'] = """
 type: command
 short-summary: Update a saved search for a given workspace.
 examples:
   - name: Update a saved search for a given workspace.
-    text: az monitor log-analytics workspace saved-search update -g MyRG --workspace-name MyWS -n MySavedSearch --category Test1 --display-name TestSavedSearch -q "AzureActivity | summarize count() by bin(timestamp, 1h)" --fa myfun --fp "a:string = value"
+    text: az monitor log-analytics workspace saved-search update -g MyRG --workspace-name MyWS -n MySavedSearch --category Test1 --display-name TestSavedSearch -q "AzureActivity | summarize count() by bin(TimeGenerated, 1h)" --fa myfun --fp "a:string = value"
 """
 
 helps['monitor log-analytics workspace saved-search list'] = """
@@ -1337,6 +1337,14 @@
 helps['monitor log-analytics workspace data-export create'] = """
 type: command
 short-summary: Create a data export rule for a given workspace.
+long-summary: |
+    For more information, see
+    https://docs.microsoft.com/en-us/azure/azure-monitor/platform/logs-data-export.
+parameters:
+  - name: --tables -t
+    short-summary: An array of tables to export.
+    populator-commands:
+      - "`az monitor log-analytics workspace table list`"
 examples:
   - name: Create a data export rule for a given workspace.
     text: az monitor log-analytics workspace data-export create -g MyRG --workspace-name MyWS -n MyDataExport --destination {sa_id_1} --enable -t {table_name}
@@ -1345,6 +1353,14 @@
 helps['monitor log-analytics workspace data-export update'] = """
 type: command
 short-summary: Update a data export rule for a given workspace.
+long-summary: |
+    For more information, see
+    https://docs.microsoft.com/en-us/azure/azure-monitor/platform/logs-data-export.
+parameters:
+  - name: --tables -t
+    short-summary: An array of tables to export.
+    populator-commands:
+      - "`az monitor log-analytics workspace table list`"
 examples:
   - name: Update a data export rule for a given workspace.
     text: az monitor log-analytics workspace data-export update -g MyRG --workspace-name MyWS -n MyDataExport --destination {namespace_id} -t {table_name} --enable false

src/azure-cli/azure/cli/command_modules/monitor/_params.py

@@ -442,7 +442,7 @@ def load_arguments(self, _):
         c.argument('data_export_name', options_list=['--name', '-n'], help="Name of the data export rule")
         c.argument('workspace_name', options_list='--workspace-name')
         c.argument('table_names', nargs='+', options_list=['--tables', '-t'],
-                   help='An array of tables to export. if --export-all-tables is true, this argument should not be provided.')
+                   help='An array of tables to export.')
         c.argument('destination', validator=process_workspace_data_export_destination,
                    help='The destination resource ID. It should be a storage account, an event hub namespace or an event hub. '
                         'If event hub namespace is provided, event hub would be created for each table automatically.')