When bones are split, each segment gets a new name with a numbering pattern.
The name is made of the base name + a number.
You can choose from 18 different styles for how the number is added.
Example: if the base name is Bone and split count is 3:
If the original bone name includes a left/right marker (like _L, L_, -R, etc.),
the add-on automatically detects it and keeps the marker in the same position after splitting.
Example: if the base name is Bone_L and split count is 3:
Example: if the base name is Right-Bone and split count is 3:
Fully compatible with all symmetry markers.
The full list of supported symmetry markers are here.