How to get id of new custom record entry

I am using SuiteTalk to add a entry to a custom record.  I am able to do this no problem but I need to know the id of this new entry to use later on in my code.  How do I get the id of this new entry?  Here is my  code to add the entry

                //insert record
                CustomRecord pickError = new CustomRecord
                {
                    recType = new RecordRef { internalId = "77" },
                    customFieldList = new CustomFieldRef[]
                    {
                        new StringCustomFieldRef
                        {
                            scriptId = "custrecord_pe_pickerr_order",
                            value = txtOrnum.Text.Trim()
                        },
                        new StringCustomFieldRef
                        {
                            scriptId = "custrecord_pe_pickerr_item",
                            value = txtItem.Text.Trim()
                        },
                        new StringCustomFieldRef
                        {
                            scriptId = "custrecord_pe_pickerr_errtype",
                            value = ErrCode