Function hook_param

pub fn hook_param<const HOOK_PARAM_LEN: usize>(
    parameter_name: &[u8],
) -> Result<[u8; HOOK_PARAM_LEN]>

Retrieve the parameter value for a named hook parameter

Example

match hook_param::<HOOK_PARAM_LEN>(b"param test") {
    Ok(param) => accept(&param, 0),
    Err(err) => rollback(b"cannot find hook param", err.into()),
}