< log >
Description
The < log > element allows the application to generate debug messages. This element can contain a combination of text and <value> elements in which the resulting message will be the concatenation of the text and string value of the < value > element. The messages will be logged to the metrics file for viewing.
Syntax
<log expr="ECMAScript_Expression" label="String"> text </log>
Attributes
| expr | The expr attribute is a string expression that will be appended to the < log > element content and label. This attribute is optional. |
| label | The label attribute is a string label that will be appended to the < lo g> element content before expr. This attribute is optional. |
Parents
<block>, <catch>, <error>, <filled>, <help>, <if>, <noinput>, <nomatch>
Children
<value>
Extensions
None.
Limitations/Restrictions
None.
Example Code
<?xml version="1.0"?>
<vxml version="2.0" xmlns="http://www.w3.org/2001/vxml">
<form>
<field name="hello">
<grammar type="text/x-grammar-choice-dtmf">
1 {hello} | 2 {world}
</grammar>
<prompt>Say hello</prompt>
<noinput>Say something</noinput>
<filled>
<log>The user said <value expr="hello"/>.</log>
<prompt>Hello, world!</prompt>
</filled>
</field>
</form>
</vxml>