The Map Group Result component defines the final appearance of a Group based upon the components that comprise the group. The image generated by Map Group Result is the output image of the whole Group component that allows you to use the group in the component tree.
Source: Map Input (HDR), Required
Provides the image to serve as a group result. Source is a required input – to make the filter work, this input must be connected.
Note that only components connected to Map Group Result (directly or not) have effect on the final group appearance.