How to hide a Column line field in a row

Write the below code in the LineInit of the ClientScript

           try
{   
          var line = currentRecord.getCurrentSublistValue({sublistId: "item", fieldId: "line"});
  
             if(line) {
                 if (Condition) {
                     currentRecord.getSublistField({
                         sublistId: 'item',
                         fieldId: 'field_id',
                         line: 0
                     }).isDisabled = true;
                 } else {
                     currentRecord.getSublistField({
                         sublistId: 'item',
                         fieldId: 'field_id',
                         line: 0
                     }).isDisabled = false;
                 }
             }
                 else
                 {
                     currentRecord.getSublistField({
                         sublistId: 'item',
                         fieldId: 'field_id',
                         line: 0
                     }).isDisabled = false;
                 }
        }
}catch(e){console.log(e.message}