:keyword: MUST
:validation_mode: static
:introduced: casablanca
+ :target: VNF
A VNF's Heat Orchestration Template **MUST** be compliant with the
OpenStack Template Guide.
:id: R-39402
:keyword: MUST
:validation_mode: static
+ :target: VNF
A VNF's Heat Orchestration Template **MUST** contain the
section ``description:``.
:target: VNF
:keyword: MAY NOT
:updated: casablanca
+ :validation_mode: none
A VNF Heat Orchestration's template's parameter for the
``OS::Nova::Server`` resource property ``availability_zone``
:id: R-32094
:target: VNF
:keyword: MAY
+ :validation_mode: none
A VNF's Heat Orchestration Template parameter declaration **MAY**
contain the attribute ``label:``.
:id: R-32557
:target: VNF
:keyword: MAY
+ :validation_mode: none
A VNF's Heat Orchestration Template parameter declaration **MAY**
contain the attribute ``hidden:``.
:id: R-88863
:target: VNF
:keyword: MAY
- :validation_mode: static
+ :validation_mode: none
:updated: dublin
A VNF's Heat Orchestration Template's parameter defined