This is an example of a Composable function to define an Icon with a Content description

FilterIcon.kt

@Composable
private fun FilterIcon(modifier: Modifier, onClick: () -> Unit) {
    Box(modifier) {
        IconButton(
            onClick = onClick
        ) {
            Image(
                painter = painterResource(R.drawable.ic_filter),
                contentDescription = "Filter Button"
            )
        }
    }
}