def METHOD_NAME(self, simulation, v, adjoint=False):
    """Derivative of electric source term with respect to model
    Parameters
    ----------
    simulation : SimPEG.electromagnetics.frequency_domain.simulation.BaseFDEMSimulation
        A NSEM simulation
    v : numpy.ndarray
        A vector
    adjoint : bool, default: ``False``
        If ``True``, perform the adjoint operation
    Returns
    -------
    numpy.ndarray
        Derivative of electric source term on mesh.
    """
    return self.s_eDeriv_m(simulation, v, adjoint)