//Created by sabzilla
//Date July 29th, 2014

function trimPhoneCall() {
    //get notes
    var notes = Xrm.Page.data.entity.attributes.get("description").getValue();
    //set amount of characters to grab
    var length = 3000;
    //grab amount of characters length variable specifies
    var trimmedNotes = notes.substring(0, length);
    //specify field to set as trimmed notes
    var notes = Xrm.Page.data.entity.attributes.get("description");
    //set field to trimmed notes
    notes.setValue(trimmedNotes);
}