Question about Glyphs.defaults in Glyph3

1

In Glyph 2, colorsData = Glyphs.defaults["LabelColors"] return :

(
{length = 71, bytes = 0x040b7374 7265616d 74797065 6481e803 ... 3e838fc2 753d0186 },
{length = 71, bytes = 0x040b7374 7265616d 74797065 6481e803 ... 3f83ae47 e13d0186 },
{length = 71, bytes = 0x040b7374 7265616d 74797065 6481e803 ... 3e83cdcc 4c3e0186 },
{length = 67, bytes = 0x040b7374 7265616d 74797065 6481e803 ... 83666666 3f000186 },
{length = 71, bytes = 0x040b7374 7265616d 74797065 6481e803 ... 3f835c8f c23e0186 },
{length = 71, bytes = 0x040b7374 7265616d 74797065 6481e803 ... 3f830ad7 233d0186 },
{length = 71, bytes = 0x040b7374 7265616d 74797065 6481e803 ... 3f8348e1 7a3f0186 },
{length = 67, bytes = 0x040b7374 7265616d 74797065 6481e803 ... 3e83ae47 613f0186 },
{length = 71, bytes = 0x040b7374 7265616d 74797065 6481e803 ... 3d83713d 4a3f0186 },
{length = 71, bytes = 0x040b7374 7265616d 74797065 6481e803 ... 3e831f85 2b3f0186 },
{length = 71, bytes = 0x040b7374 7265616d 74797065 6481e803 ... 3f830000 403f0186 },
{length = 71, bytes = 0x040b7374 7265616d 74797065 6481e803 ... 3e830000 803e0186 }
)

But in Glyph 3 return :
None

How can I access these datas in Glyph 3 ?
I didn’t find doc about that

2

Use GSGlyphsInfo.labelColors()