def METHOD_NAME(self, key="", **kwargs):
    """Specifies that radiation matrices are to be printed.
    APDL Command: MPRINT
    Parameters
    ----------
    key
        Print key:
        0 - Do not print matrices.
        1 - Print matrices.
    Notes
    -----
    Specifies that the element and node radiation matrices are to be
    printed when the WRITE command is issued.  If KEY = 1, form factor
    information for each element will also be printed.
    """
    command = f"MPRINT,{key}"
    return self.run(command, **kwargs)