Required (attribute of property)

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required is an attribute of property.

Contents

Description

The required attribute is used to ensure that the value of a property has a value when a form is submitted.

The restriction is imposed at client side through JavaScript and at server side by setting the corresponding column of the database table to not null.

Usage

<property
   name = NAME
   label = LABEL
   required = "required"
   ...
/>

Example

 <entity name="User" label="User>
       <property name="firstName" required="required" label="First name" />
       <property name="lastName" required="required" label="Last name" /> 
       <property name="email" label="Email" /> 
 </entity>

See also

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