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

Field Element for Protocol/Fields (ADF)

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

其他资源

指定传递协议名称和字段
更新实例和应用程序

帮助和信息

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