Covers how to add or replace blend shape targets or in-betweens from selected meshes in the scene.
Video Documentation - Extended Functionality and Actions
Shows some helpful functionality, such as publishing attributes on control objects from currently selected channels, baking the currently deformed state to the original mesh, cleanly duplicating the original or deformed mesh and adding/removing of blend shape nodes.
Demonstrates how to split a shape into separate shapes for the left and right side, how to merge multiple shapes and how to exchange the data between two blend shape targets.