//Code snippet
var dialogId = "a13ad982-d812-40a0-ab67-f314cdabbd2b"; // This must be your 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());
