Add Custom View

function addcustomview() {
   //Step 1 -> Declare variables 
   var viewId = "{1a318cee-edf7-4685-a3ad-5926cad689a1}"; //Generate new guid
    var entityName = "sama_baragetype"; // Entity to be filtered
    var viewDisplayName = "Custom view "; // Custom name for the lookup window.
    var fetchXml =
                    "<fetch version='1.0' output-format='xml-platform' mapping='logical' distinct='false'>" +
                      "<entity name='an_chargetype' >" +
                        "<attribute name='sama_baragetypeid'/>" +
                        "<attribute name='sama_baragecode/>" +
                        "<attribute name='createdon' />" +
                        "<order attribute='an_baragecode' descending='false' />" +
                        "<filter type='and'>" +
                          "<condition attribute='an_requesttype' operator='eq' value='875950000' />" +
                        "</filter>" +
                      "</entity>" +
                    "</fetch>";
    // Step 2 -->  Build Grid Layout for the field to populate the lookup
   
    var layoutXml = "<grid name='resultset' " +
                    "object='1' " +
                    "jump='sama_baragecode' " +
                    "select='1' " +
                    "icon='1' " +
                    "preview='1'>" +
                    "<row name='result' " +
                    "id='sama_baragetypeid'>" +  // Id attribute of the entity to be filtered
                    "<cell name='sama_baragecode' " +
                    "width='300' />" +
                    "<cell name='createdon' " + //Column1 - Salutation
                    "width='300' />" +
                    "</row>" +
                    "</grid>";
    //Step 3 Adding the custom view to the lookup
    Xrm.Page.getControl("<logical name of field to populate>").addCustomView(viewId, entityName, viewDisplayName, fetchXml, layoutXml, true);
}


Add jquery , json library files to make it work of crm form.