Function cmd_bind 

pub async fn cmd_bind(
    client: &VtaClient,
    context: &str,
    id: &str,
    consumer: &str,
    prefixes: &[String],
    actions: &[String],
    max_ttl_seconds: u32,
    rate_per_minute: u32,
) -> Result<(), Box<dyn Error>>

bind: grant (or replace) a consumer’s binding.