Pass custom props to react-native-bottom-sheet

I use https://gorhom.github.io/react-native-bottom-sheet/ with typescript in my project and I also use CustomBackground for my bottom-sheet :

interface ICustomBackgroundProps {  bottomSheetindex: number}const CustomBackground = ({  animatedIndex,  style,  bottomSheetIndex}: BottomSheetBackgroundProps & ICustomBackgroundProps): JSX.Element => {  // animated variables  const animatedBackground = useMemo(    () =>      interpolateColors(animatedIndex, {        inputRange: [0, 1],        outputColorRange: ['#fff', '#fff'],      }),    [animatedIndex],  );  // styles  const containerStyle = useMemo(    () => [style, animatedIndex],    [style, animatedBackground],  );  return (<Animated.View style={{ ...containerStyle, flex: 1 }}><View        style={{ position: 'absolute', left: '50%', top: -20, zIndex: 555555 }}><CustomHandle bottomSheetIndex={bottomSheetIndex} /></View><Image        source={images.BaseShape}        style={{          width: WIDTH_SHAPE,          position: 'absolute',          top: normalize(-77, 'height'),          resizeMode: 'cover',          alignSelf: 'center',        }}      /></Animated.View>  );};

I need to pass a custom props (bottomSheetIndex in my code) but when I want to pass. it, I have an error : Property 'bottomSheetIndex' does not exist on type 'BottomSheetBackgroundProps & ICustomBackgroundProps'

How can I pass resolve this?