<textarea> elements of the form
Binding a Textarea to a Process Variable
A textarea input can be bound to a process variable using thecam-variable-type and
cam-variable-name directives:
CUSTOMER_ADDRESS of type
String.
Supported Variable Types for Textareas
The textarea supports the same variable types as the single line text input<input type="text"></input>. See the section on Supported Variable Types for details.