CRM 2016 : Call Dialog Process using JavaScript with input parameters

Hello,

I have created one dialog process and I want to call it using javascript in ribbon button.

There are 2 input parameters defined in the Dialog process and I want to pass some values while calling it from javascript.

I am aware about below function which we use to call dialog -

var dialogId = "a13ad982-d812-40a0-ab67-f314cdabbd2b"; // This must be Dialog ID
var returnValue = showModalDialog("/" + Xrm.Page.context.getOrgUniqueName() + "/cs/dialog/rundialog.aspx?DialogId=%7b" + dialogId + "%7d&EntityName=account&ObjectId=" + Xrm.Page.data.entity.getId());

Now, how to pass input parameter values?

Please suggest.

Thank you.