<log> element allows an application to generate a logging or debug message, which a developer can use to help in application development or post-execution analysis of application performance.
A string used to give the log entry a label.
An ECMAscript expression evaluating to a string.
The contents of the log tag will be written straight into the standard logs as a “debugging” message. Verbose logging must be turned on in order to view these messages.
<?xml version="1.0"?><vxml version="2.0"><form><field name="someinput" type="digits"><prompt>Please say or enter some digits.</prompt><filled><log label="mylog">My log says <value expr="someinput"/></log></filled></field></form></vxml>
The output of the above script would be:
Computer: Please say or enter some digits. Human: One two three four five six seven eight nine.
The following entry would then be added to the log: Tue 19 Nov 2002 03:24:07 PM EST (000000;001;1037737318) [mylog] LOCAL: My log says 123456789