def adjustPhase(self, adjustment):
        """
        Adjust the accelerating phase of the cavity by the value of ``adjustment``.
        The adjustment is additive, so a value of ``scalingFactor = 0.0`` will result
        in no change of the phase.
        """
        self.phase = self.phase._replace(val = self.phase.val + adjustment)
Adjust the accelerating phase of the cavity by the value of ``adjustment``.
        The adjustment is additive, so a value of ``scalingFactor = 0.0`` will result
        in no change of the phase.