- variable: capabilities
                label: Capabilities
                schema:
                  additional_attrs: true
                  type: dict
                  attrs:
                    - variable: drop
                      label: Drop Capability
                      schema:
                        type: list
                        default: []
                        items:
                          - variable: dropEntry
                            label: ""
                            schema:
                              type: string
                    - variable: add
                      label: Add Capability
                      schema:
                        type: list
                        default: []
                        items:
                          - variable: addEntry
                            label: ""
                            schema:
                              type: string