# Param Spec

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#### **Do's:**

* Do update in the Param Spec Level, if any value needs to be updated in all the templates
* Do update in the template and the updated value would override the Param Spec value, if any value needs to be updated in a particular template.
* Do Unmap and Map the template to the Param Spec, if the link needs to be re-established

#### Don'ts

* Do Not leave any mandatory value in the template as blank, if it is mapped to Param Spec
* Do Not change any value in the template which is mapped to Param Spec unless the value needs to be overridden