delay warning

Author: bwren

articles/azure-monitor/logs/custom-fields.md

@@ -11,11 +11,10 @@ ms.date: 03/31/2023
 
 # Create custom fields in a Log Analytics workspace in Azure Monitor (Preview)
 
-> [!NOTE]
-> Creation of new custom fields will be disabled starting March 31, 2023. Custom fields functionality will be deprecated, and existing custom fields will stop functioning by March 31, 2026. You should [migrate to ingestion-time transformations](custom-fields-migrate.md) to keep parsing your log records.
-
 > [!IMPORTANT]
-> Custom fields increases the amount of data collected in the Log Analytics workspace which can increase your cost. See [Azure Monitor Logs pricing details](cost-logs.md) for details.
+> Creation of new custom fields will be disabled starting March 31, 2023. Custom fields functionality will be deprecated, and existing custom fields will stop functioning by March 31, 2026. You should [migrate to ingestion-time transformations](custom-fields-migrate.md) to keep parsing your log records.
+> 
+> Currently, when you add a new custom field, it may take up to 7 days before data starts appearing.
 
 The **Custom Fields** feature of Azure Monitor allows you to extend existing records in your Log Analytics workspace by adding your own searchable fields.  Custom fields are automatically populated from data extracted from other properties in the same record.