Textareas are HTML <textarea> elements of the form

  1. <textarea></textarea>

Binding a Textarea to a Process Variable

A textarea input can be bound to a process variable using the cam-variable-type andcam-variable-name directives:

  1. <textarea cam-variable-name="CUSTOMER_ADDRESS"
  2.           cam-variable-type="String">
  3. </textarea>

In the example above, the textarea is bound to the variable named CUSTOMER_ADDRESS of typeString.

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.

原文: https://docs.camunda.org/manual/7.9/reference/embedded-forms/controls/textarea/