authorization = "Bearer" + " " + access_token;

header = Map();

header.put("Authorization",authorization);

header.put("Content-Type","application/json");

params.put("to",to_s);

params.put("from",froms);

params.put("text","Test SMS message from Platform server");

res5 = zoho.encryption.base64Encode(get_attachments);

data = "data:text/plain;" + "name=" + get_attachments + ";base64," + res5;

lists.add(data);

params.put("attachments",lists);

info params;

send_mms = invokeurl

[

url :"https://platform.devtest.ringcentral.com/restapi/v1.0/account/" + accID + "/extension/" + extensionId + "/mms"

type :POST

parameters:params.toString()

headers:header

];

info send_mms;