Get token function

getToken.js

// This function exchanges the authorization code for a token and returns the parsed info
function getToken(myCode, myDomainPrefix) {
        var tokenUrl = "https://" + myDomainPrefix + ".vendhq.com/api/1.0/token";

        var payload = {
            "code": myCode,
            "client_id": myVendClientId,
            "client_secret": myVendClientSecret,
            "grant_type": "authorization_code",
            "redirect_uri": myVendRedirectUri
        };

        var options = {
            "method": "post",
            "payload": payload
        };
        Logger.log(options);

        // Make the request
        var response = UrlFetchApp.fetch(tokenUrl, options);
        Logger.log(response.getContentText());

        // Parse the reponse
        var data = JSON.parse(response);
        Logger.log(data);
        var myAccessToken = data.access_token;
        var myTokenExpiry = data.expires;
        var myRefreshToken = data.refresh_token;

        // Return an array of values
        return [myAccessToken, myTokenExpiry, myRefreshToken];

    }