When editing the a text field widget's settings, you can set the character limit to be controlled with Maxlength. Widgets currently accepted are:
- Text area (multiple rows)
- Text area with a summary
- Text field
Code (api?) Usage
Description: The maximum amount of characters to accept as input.
Values: A positive number.
Description: Indicates whether or not the field should have a reverse character counter.
Values: TRUE or FALSE