You can export edits in your scene, such as geometry changes or new connections and nodes connected via those connections, to an external file. You can then apply this edits file to other objects to invoke the same changes on them.
For example, if you started with a base walk cycle animation, you could export a number of different tweaks, such as a strut, a shuffle, and a march, and export each of these tweaks into different files. You can then apply these edits to other characters.
You can export edits on an asset, a referenced file, or a set of selected nodes in your scene.
To export edits from a set of selected nodes
Maya creates the specified file containing the reference edits with the extension .editMA or .editMB. You cannot open these files in Maya, but you can assign them to another file. For more information, see Assign an offline file.
Dangling connections (connections to non-exported nodes) and reference edits are saved to the edits file with a placeholder namespace. When applying these edits, Maya replaces the placeholder with the namespace of the reference that the file is being applied to, or ":" for imports into the main scene.
You can also export edits for a specific referenced file.
To export edits on a referenced file
Alternatively, you can export edits on a referenced object from the Outliner by -clicking a referenced object in the Outliner and selecting Reference > Export to Offline File from the marking menu.