def pltime(self, tmin="", tmax="", **kwargs):
    """Defines the time range for which data are to be displayed.

    APDL Command: PLTIME

    Parameters
    ----------
    tmin
        Minimum time (defaults to the first point stored).

    tmax
        Maximum time (defaults to the last point stored).

    Notes
    -----
    Defines the time (or frequency) range (within the range stored) for
    which data are to be displayed.  Time is always displayed in the Z-axis
    direction for 3-D graph displays.  If XVAR = 1, time is also displayed
    in the X-axis direction and this control also sets the abscissa scale
    range.
    """
    command = f"PLTIME,{tmin},{tmax}"
    return self.run(command, **kwargs)