ZVON > References > VoiceXML 2.0 Reference
Element: if
Purpose: Simple conditional logic
Attributes: | cond |
Parents: | block | error | filled | help | if | noinput | nomatch |
Children: | text() | enumerate | value | audioSSML | assign | clear | disconnect | exit | goto | if | log | reprompt | return | script | submit | throw | var | prompt | elseif | else |

Go to standard: 5.3.4 (VoiceXML)