def METHOD_NAME():
    description = """Compute the component-wise sum over all the fields that have the same
        ID as the label set as input in the fields container and
        take its opposite. This computation can be incremental. If
        the input fields container is connected and the operator
        is run multiple times, the output field will be on all the
        connected inputs."""
    spec = Specification(
        description=description,
        map_input_pin_spec={
            0: PinSpecification(
                name="fields_container",
                type_names=["fields_container"],
                optional=False,
                document="""""",
            ),
            1: PinSpecification(
                name="label",
                type_names=["string"],
                optional=True,
                document="""Label of the fields container where it should
    operate.""",
            ),
        },
        map_output_pin_spec={
            0: PinSpecification(
                name="field",
                type_names=["field"],
                optional=False,
                document="""""",
            ),
        },
    )
    return spec