netbox-docker/startup_scripts/startup_script_utils/custom_fields.py

def set_custom_fields_values(entity, custom_field_data):
    if not custom_field_data:
        return

    entity.custom_field_data = custom_field_data
    return entity.save()


def pop_custom_fields(params):
    if "custom_field_data" in params:
        return params.pop("custom_field_data")
    elif "custom_fields" in params:
        print("⚠️ Please rename 'custom_fields' to 'custom_field_data'!")
        return params.pop("custom_fields")

    return None