def METHOD_NAME(
    self,
    fnumb="",
    itype1="",
    itype2="",
    itype3="",
    itype4="",
    itype5="",
    itype6="",
    itype7="",
    itype8="",
    itype9="",
    itype10="",
    **kwargs,
):
    """Add more element types to a previously defined field number.
    APDL Command: MFEM
    Parameters
    ----------
    fnumb
        Existing field number defined by the MFELEM command.
    itype1, itype2, itype3, . . . , itype10
        Element types defined by the ET command.
    Notes
    -----
    You can add up to ten element types per MFEM command. This command
    should not be used after an initial solution.
    This command is also valid in PREP7.
    See Multi-field Commands in the Coupled-Field Analysis Guide for a list
    of all ANSYS Multi-field solver commands and their availability for MFS
    and MFX analyses.
    Distributed ANSYS Restriction: This command is not supported in
    Distributed ANSYS.
    """
    command = f"MFEM,{fnumb},{itype1},{itype2},{itype3},{itype4},{itype5},{itype6},{itype7},{itype8},{itype9},{itype10}"
    return self.run(command, **kwargs)