* modify the corresponding ```config_injection.yaml``` file to configure all running options
* Modify the corresponding ```config_injection.yaml``` file to configure all running options
* An object catalog class which inherits from ```observation_sim.mock_objects.CatalogBase``` needs to be implemented and imported in ```injection.injection_pipeline.py```. This is to construct a list of to be injected ```observation_sim.mock_objects.MockObject```.