luos/resources/assets/js/api/CaseNotes.js

import axios from "axios";

export let caseNotes = {
    post(data) {
        var params = new FormData();
        params.append('appUid', data.APP_UID);
        params.append('noteText', data.COMMENT);
        params.append('swSendMail', data.SEND_MAIL ? 1 : 0);

        _.each(data.FILES, (f) => {
            params.append("filesToUpload[]", f);
        })
        return axios.post(window.config.SYS_SERVER_AJAX +
            window.config.SYS_URI +
            `appProxy/postNote`, params, {
            headers: {
                "Content-Type": "multipart/form-data",
            },
        });
    },
};