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CLI commands / enhance-dev recording start

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enhance-dev recording start

Start a recording attempt and receive its first signed chunk upload.

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enhance-dev recording start

enhance-dev recording start [options]

Arguments

This command takes no positional arguments.

Options

OptionRequiredDefaultMeaning
--source-url <string>YesNoneOriginal page URL associated with the capture or recording.
--viewport [json]YesNoneViewport JSON, for example {"width":1440,"height":900}.
--page-title [value]YesNoneRequired captured page title, or the literal null.
--audio [value]NonullAudio JSON such as {"mimeType":"audio/webm;codecs=opus","sampleRate":48000}, or null.
--json <json>NoNoneComplete procedure input as JSON; do not combine it with field flags.
--client-token <uuid>NoNoneStable UUID to reuse when retrying the exact same mutation.

Input

This command presents the capability recording.start. It has write effect and single idempotency.

Show complete input JSON Schema
{"$schema":"https://json-schema.org/draft/2020-12/schema","type":"object","properties":{"sourceUrl":{"type":"string"},"viewport":{"type":"object","properties":{"width":{"type":"integer","exclusiveMinimum":0,"maximum":9007199254740991},"height":{"type":"integer","exclusiveMinimum":0,"maximum":9007199254740991}},"required":["width","height"]},"pageTitle":{"anyOf":[{"type":"string"},{"type":"null"}]},"audio":{"default":null,"anyOf":[{"type":"object","properties":{"mimeType":{"type":"string","minLength":1,"maxLength":100},"sampleRate":{"type":"integer","minimum":8000,"maximum":192000}},"required":["mimeType","sampleRate"]},{"type":"null"}]}},"required":["sourceUrl","viewport","pageTitle"]}

Output

This command writes JSON records to standard output. Returns a typed recording.start result from the Enhance API without transport-specific prose.

Show complete output JSON Schema
{"$schema":"https://json-schema.org/draft/2020-12/schema","type":"object","properties":{"recordingId":{"type":"string","format":"uuid","pattern":"^([0-9a-fA-F]{8}-[0-9a-fA-F]{4}-[1-8][0-9a-fA-F]{3}-[89abAB][0-9a-fA-F]{3}-[0-9a-fA-F]{12}|00000000-0000-0000-0000-000000000000|ffffffff-ffff-ffff-ffff-ffffffffffff)$"},"ownerPersonId":{"type":"string","format":"uuid","pattern":"^([0-9a-fA-F]{8}-[0-9a-fA-F]{4}-[1-8][0-9a-fA-F]{3}-[89abAB][0-9a-fA-F]{3}-[0-9a-fA-F]{12}|00000000-0000-0000-0000-000000000000|ffffffff-ffff-ffff-ffff-ffffffffffff)$"},"chunkIndex":{"type":"number","const":0},"upload":{"type":"object","properties":{"url":{"type":"string","format":"uri"},"expiresAt":{"type":"string","format":"date-time","pattern":"^(?:(?:\\d\\d[2468][048]|\\d\\d[13579][26]|\\d\\d0[48]|[02468][048]00|[13579][26]00)-02-29|\\d{4}-(?:(?:0[13578]|1[02])-(?:0[1-9]|[12]\\d|3[01])|(?:0[469]|11)-(?:0[1-9]|[12]\\d|30)|(?:02)-(?:0[1-9]|1\\d|2[0-8])))T(?:(?:[01]\\d|2[0-3]):[0-5]\\d(?::[0-5]\\d(?:\\.\\d+)?)?(?:Z))$"},"headers":{"type":"object","propertyNames":{"type":"string"},"additionalProperties":{"type":"string"}}},"required":["url","expiresAt","headers"],"additionalProperties":false},"audioUpload":{"anyOf":[{"type":"object","properties":{"url":{"type":"string","format":"uri"},"expiresAt":{"type":"string","format":"date-time","pattern":"^(?:(?:\\d\\d[2468][048]|\\d\\d[13579][26]|\\d\\d0[48]|[02468][048]00|[13579][26]00)-02-29|\\d{4}-(?:(?:0[13578]|1[02])-(?:0[1-9]|[12]\\d|3[01])|(?:0[469]|11)-(?:0[1-9]|[12]\\d|30)|(?:02)-(?:0[1-9]|1\\d|2[0-8])))T(?:(?:[01]\\d|2[0-3]):[0-5]\\d(?::[0-5]\\d(?:\\.\\d+)?)?(?:Z))$"},"headers":{"type":"object","propertyNames":{"type":"string"},"additionalProperties":{"type":"string"}}},"required":["url","expiresAt","headers"],"additionalProperties":false},{"type":"null"}]}},"required":["recordingId","ownerPersonId","chunkIndex","upload","audioUpload"],"additionalProperties":false}

Examples

enhance-dev recording start --source-url <string> --viewport [json] --page-title [value]
Show example input
{
 "sourceUrl": "x",
 "viewport": {
  "width": 1,
  "height": 1
 },
 "pageTitle": "x"
}
Show example output
{
 "recordingId": "00000000-0000-4000-8000-000000000010",
 "ownerPersonId": "00000000-0000-4000-8000-000000000010",
 "chunkIndex": 0,
 "upload": {
  "url": "https://example.test/path",
  "expiresAt": "2026-08-10T00:00:00.000Z",
  "headers": {}
 },
 "audioUpload": {
  "url": "https://example.test/path",
  "expiresAt": "2026-08-10T00:00:00.000Z",
  "headers": {}
 }
}

Exit behaviour

Exit codeMeaning
0The command succeeded.
1The command failed for another reason (INTERNAL). A write may have an unknown outcome.
2The command line was malformed. Nothing ran.
3The API refused the input (BAD_REQUEST).
4The credential is missing or expired (UNAUTHORIZED).
5The API refused the request (FORBIDDEN, NOT_FOUND, CONFLICT, RATE_LIMITED).
6A batch finished only in part. Retry with the same --client-token.

Versions

Minimum tested versions: Enhance CLI and MCP runtime 0.1.40, plugin 1.0.38, Node.js 24. No older floor is published.