# `mix moqx.roundtrip`
[🔗](https://github.com/dmorn/moqx/blob/main/lib/mix/tasks/moqx.roundtrip.ex#L1)

End-to-end relay roundtrip test: connect publisher + subscriber, publish one
frame, and verify the subscriber receives it.

## Usage

    mix moqx.roundtrip [relay_url] [options]

Examples:

    mix moqx.roundtrip
    mix moqx.roundtrip https://interop-relay.cloudflare.mediaoverquic.com:443
    mix moqx.roundtrip --namespace moqx-e2e/demo --track demo --payload hello

Options:

  * `--namespace` - broadcast namespace to publish/subscribe.
    Default: `"moqx-e2e/<unix_ms>"`.
  * `--track` - track name. Default: `"demo"`.
  * `--payload` - frame payload to send. Default: `"hello-from-moqx-e2e"`.
  * `--timeout` - timeout in ms for each await step. Default: `10_000`.
  * `--help` - print this help.

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*Consult [api-reference.md](api-reference.md) for complete listing*