return (
    <div style={{ width: "100%", height: "550px"}}>
         <RealGridReact
            ref={gridRef}
            autoGenerateField={true}
            gridProps={{display: {rowHeight: 80}}}
            rows={[
                ["KRW"], ["USD"]
            ]}
        >
            <RGDataColumn
                fieldName='Monetary'
                renderer={{
                    type: 'image',
                    imageCallback: (grid: RealGrid.GridBase, cell: RealGrid.GridCell) => {
                        return `${cell.value}.png`
                    },
                    imageHeight: 50,
                }}
            />
        </RealGridReact>
    </div>
);