<!ELEMENT extension (productionPlan)>
<!ATTLIST extension
point CDATA #REQUIRED
id CDATA #IMPLIED
name CDATA #IMPLIED
><!ELEMENT productionPlan (assetConfiguration*)>
<!ATTLIST productionPlan
id CDATA #REQUIRED
contextId CDATA #IMPLIED
>A production plan is a set of asset configuration id.
<!ELEMENT assetConfiguration EMPTY>
<!ATTLIST assetConfiguration
id CDATA #REQUIRED
>Reference to an asset configuration extension point through its id.