Write BEM surfaces to a fiff file.
str
Filename to write. Can end with .h5
to write using HDF5.
dict
| list
of dict
The surfaces, or a single surface.
If True (default False), overwrite the destination file if it exists.
str
| int
| None
Control verbosity of the logging output. If None
, use the default
verbosity level. See the logging documentation and
mne.verbose()
for details. Should only be passed as a keyword
argument.