Sets the options when creating a fire effect. Here are the options:
Click the pull-down menu to select Surface, Omni-directional Point, Directional Point, or Curve emission. You cannot change this option after creation.
To emit from CVs, vertices, edit points, particles, or a position not associated with an object, you must select Omni-directional Point or Directional Point. You can select Surface only for NURBS or polygonal surfaces. You can select Curve only for NURBS curves. See Change emitter attributes with workspace manipulators for more details.