...Make sure the frames are either 16x16 or 24x24 and that you've outlined all strokes. Select the branch you want to commit to. You can choose an existing branch or create a new branch. Press "Commit." The plugin will then export, commit, and push the selected icons to the branch you chose. If you chose to create a new branch, the plugin will give you a link to where you can start a new pull request with your branch.