1. What is a Variable?
One or more characters preceded by an “&” which, when executed, will be replaced by a saved character string.
Example: &date

2. Kinds of Variables
Predefined
&date, &tod
User-defined
&name

3. Predefined Variables &date January 1, 2000 &day Monday &month August
&year 2001
&time 2:30 pm
&tod morning
Say Good &tod, it is &time on &day, &date.

4. Predefined Variables
&e Emphasize
&w Whisper
&m Monotone
&n Normal
&ca Address context
&ce context
&r Reset speech tags
say My zip is &ca My phone # is 303/
Say Variables are &e way cool.

5. Predefined Variables &Response Speech Recognition
Contains user’s response to your last Listen or ListenFor command

6. User-defined Variables
Form on Tools menu
Assign in Script

7. Script Command: Set Format: Examples: Set &varname=string
Set &name=Tom
Set &place=Orlando
Set &greet=Good &tod, &name.

8. Rules for Variable Names
Always begin with “&”
Alphanumeric characters
Case-sensitive
No spaces
No symbols except “_” (shift hyphen)

9. Variable Form

10. Variable Form