How to set group name when exporting pyvista mesh to wavefront obj

I am generating some cylinder meshes from some csv data and adding them to a PyVista plotter, using this I then export them to an '.obj' file using the export_obj method. The problem is I want to associate a group name with each mesh inside the obj file so I can use that information later, however the exporter seems to assign a random name like grp123 to each mesh.

IDS = df[ID_FIELD].values
p = pv.Plotter()
length = len(IDS)
for index, id in enumerate(IDS[: NUM_TO_GENERATE]):
    print(f"Making Column {index}/{length}", end=", ")
    data = dfa.loc[dfa[ID_FIELD] == id]
    print(f"NUM ROWS: {len(data)}")
    print(id)

    x = float(df.loc[df[ID_FIELD] == id][C1])
    z = float(df.loc[df[ID_FIELD] == id][C2])
    for row in data.values:
        height = float(row[C3]) - float(row[C4])
        cyl = pv.Cylinder(height=height, center=(
        x, float(row[FROM_COLUMN]) + height/2, z), direction=(0, 1.0, 0))
        p.add_mesh(cyl, name=id, label=id)

p.add_axes()
p.export_obj("data.obj")

So yeah basically help associating a name with each group inside the obj file would be helpful.