matdialog after closed pass data

 dialogRef.afterClosed().subscribe(result => {

      if(result.event == 'Add'){
        this.addRowData(result.data);
      }else if(result.event == 'Update'){
        this.updateRowData(result.data);
      }else if(result.event == 'Delete'){
        this.deleteRowData(result.data);
      }
    });

sedn data after dialog ref close

>>try comapare two arrays based on key value