var customer = record.load({

    type: record.Type.CUSTOMER,

    id: kvp.customer_id,

    isDynamic: false

})

​

var objRecord = record.load({

    type: record.Type.SALES_ORDER, 

    id: 157,

    isDynamic: true,

});

var mergeRecord = record.load({

type: 'custrecord_merge_vendor', 

id: '12',

isDynamic: true

});