Once a das_gsa_dynamic_type or das_gsa_dynamic_prop item has been checked in and deployed, the changes you can make to it are limited. You can modify the value of the attribute_value property, but if you want to modify other properties, you must delete the asset and recreate it.

The following XML file modifies the attribute_value property of the das_gsa_dynamic_type item that defines the electricalProduct dynamic item type, and the attribute_value property of the das_gsa_dynamic_type item that defines the voltage dynamic property of the electricalProduct item type:

<gsa-template>
  <update-item item-descriptor="das_gsa_dynamic_type" id="electricalProduct">
    <set-property name="attribute_value">
      <![CDATA[writeable=true,displayName=Electrical Product]]></set-property>
  </update-item>

  <update-item item-descriptor="das_gsa_dynamic_prop" id="voltage">
    <set-property name="attribute_value">
      <![CDATA[writeable=true,displayName=Electrical Voltage,
      propertyCategoryResource=categoryBasics]]></set-property>
  </update-item>
</gsa-template>