FieldReference Element (ADF)
Provides a reference to a notification field for use in the protocol header.
语法
<NotificationClasses>
<NotificationClass>
...
<Protocols>
<Protocol>
...
<Fields>
<Field>
...
<FieldReference>
Element Characteristics
| Characteristic | Description |
|---|---|
Data type |
string, between 1 and 128 characters in length. |
Default value |
None. |
Occurrence |
Optional 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. |
备注
The FieldReference value can be any notification field or computed field defined for the notification class in the application definition file (ADF) or any of the following built-in fields: DeliveryChannelName, SubscriberId, DeviceName, DeviceTypeName, DeviceAddress, SubscriberLocale.
If the parent Field element does not include a FieldReference element it must use a SqlExpression element instead.
示例
The following example shows a how to specify that the protocol field uses the value from the built-in DeviceAddress field.
<FieldReference>DeviceAddress</FieldReference>
The following example shows a how to specify that the protocol field uses the value from the StockSymbol notification field.
<FieldReference>StockSymbol</FieldReference>
请参阅
参考
SqlExpression Element for Protocol/Fields/Field (ADF)
Application Definition File Reference