FieldName Element for NotificationClass/Schema/Fields/Field (ADF)
Specifies the user-defined name of the notification field.
Syntax
<NotificationClasses>
<NotificationClass>
...
<Schema>
<Fields>
<Field>
<FieldName>
Element Characteristics
| Characteristic | Description |
|---|---|
Data type |
string, between 1 and 128 characters in length. |
Default value |
None. |
Occurrence |
Required once per Field element. |
Updates |
Can be modified, but not added or deleted, when updating the application. |
Element Relationships
| Relationship | Elements |
|---|---|
Parent element |
|
Child elements |
None. |
Remarks
Field names can contain letters, numbers, and the special characters _, #, @, and $. They must also conform to Microsoft SQL Server identifier conventions. For more information about SQL Server identifiers, see Identifiers.
SQL Server 2005 Notification Services reserves the following field names. Do not create notification fields with these names:
- DeliveryChannelName
- DeliveryStatusCode
- DeviceAddress
- DeviceName
- DeviceTypeName
- DistributorWorkItemId
- ExpirationTime
- LinkNotificationId
- NotificationId
- NotificationBatchId
- SentTime
- SubscriberId
- SubscriberLocale
Important
If you update a FieldName element, updating the application deletes and re-creates the notification class to which it corresponds. This includes dropping and re-creating the SQL Server tables used by this notification class. Any data existing in the original notification class tables is permanently deleted.
Example
The following example shows a FieldName element.
<FieldName>StockPrice</FieldName>
See Also
Reference
Application Definition File Reference
Other Resources
Defining the Notification Schema
Updating Instances and Applications