Plain Text Fields
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 Plain Text fields give you either a normal text input or a multi-line textarea, where plain text can be entered.
#Settings

Plain Text fields have the following settings:
- Placeholder Text – The field’s placeholder text, to be displayed if the field has no value yet
 - Max Length – The maximum number of characters the field can contain
 - Allow line breaks – Whether or not to allow line breaks in this field
 
#The Field
Plain Text fields will either show a normal text input or a multi-line textarea, depending on whether the “Allow line breaks” setting was checked.
#Templating
Calling a Plain Text field in your templates will return the value that was entered in the field.
{% if user.bio %}
  <h3>Bio</h3>
  {{ user.bio | markdown }}
{% endif %}