directives:

- add_model:
    name: sub_model1
    file: package://process_model_directives_test/simple_model.sdf

- add_model:
    name: sub_model2
    file: package://process_model_directives_test/simple_model.sdf

# This model does not participate in any collision filters.
- add_model:
    name: sub_model3
    file: package://process_model_directives_test/simple_model.sdf

- add_collision_filter_group:
    name: across_sub_models
    members: [sub_model1::base, sub_model2::base]
    ignored_collision_filter_groups: [across_sub_models]

