IfcOpenShell/src/ifcopenshell-python/ifcopenshell/api/constraint/add_objective.py

import ifcopenshell

class Usecase:
    def __init__(self, file, **settings):
        self.file = file
        self.settings = {}
        for key, value in settings.items():
            self.settings[key] = value

    def execute(self):
        return self.file.create_entity("IfcObjective", **{
            "Name": "Unnamed",
            "ConstraintGrade": "NOTDEFINED",
            "ObjectiveQualifier": "NOTDEFINED"
        })