Matchbox allows you to load a shader, either provided with Flame, or created by a third party.
To load a Matchbox, use:
Batch, then select a node from the Node bin.
Timeline, then use Batch FX (see Creating Batch FX).
Timeline, then add Timeline FX from the Effects ribbon (see Adding Timeline FX).
Tools, then select from the menu (See Accessing Tools).
The Modular Keyer, then select the node from the Node bin.
A Matchbox usually accepts a front and a matte clip, and an arbitrary number of additional inputs. It outputs a result and usually an outmatte. Each shader has its own set of controls. The Topics in this section provides descriptions for a number of the more complex Matchbox shaders provided with Flame.