3.15. exit
| Element type | exit |
| Attributes | expr | namelist |
| Parents | block | catch | error | filled | help | if | noinput | nomatch |
| Children | None. |
| Description | Exits the interpreter session and returns control to the interpreter context. |
DTD
<!ELEMENT exit EMPTY > <!ATTLIST exit expr %expression; #IMPLIED namelist %field.names; #IMPLIED >
Language model
Attributes
expr : expression
The expression evaluated and returned to the interpreter context.
namelist : field.names
A list of variable names (and corresponding values) returned to the interpreter context.
Children
None.
Examples
Example 3-17. Exiting second time an error occurs
<?xml version="1.0" encoding="iso-8859-1"?>
<vxml version="1.0">
<error count="1">
<prompt>Here we catch any errors.</prompt>
<goto next="#badfile"/>
</error>
<error count="2">
<prompt>This time we will exit.</prompt>
<exit/>
</error>
<form id="badfile">
<block>
<audio src="badfilename.au"/>
</block>
</form>
</vxml>
|
..................Content has been hidden....................
You can't read the all page of ebook, please click here login for view all page.