/**
     * Do a POST request using axios.
     * @param {string} endPoint [Required]
     * @param {Object} data [Required]
     * @param {string=} baseURL
     * @param {Object=} options
     * @returns {Promise.<Object>}
     */
    let postRequest = async function (endPoint, data, baseURL, options) {
        if(endPoint && data) {
            let url = `${baseURL?baseURL:apiURL}${endPoint}`;
            if(options) return await axios.post(url, data, options);
            else return await axios.post(url, data);
        } else {
            if(!endPoint){
                throw new Error("Missing required argument endPoint in postRequest");
            } else {
                throw new Error("Missing required argument data in postRequest");
            }
        }
    };