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SDKsPHPSessions

PHP Sessions

Use session start to establish identity and reusable defaults for policy, route, and risk.

PHP

$session = $client->session()->start([
  'agent' => 'refund-agent',
  'subject' => 'customer:42',
  'metadata' => ['channel' => 'support'],
  'policy' => ['ref' => 'policy/default', 'version' => '2026-02-27'],
  'route' => ['provider' => 'openai', 'model' => 'gpt-4o-mini', 'region' => 'us-east-1'],
  'risk' => ['score' => 22, 'decision' => 'allow']
]);

Session Default Inheritance

  • Session-level policy and route are optional
  • If omitted in execute calls, DriftGate inherits from session
  • If omitted in both places, backend org/workspace defaults apply

Operational Guidance

  • Set subject for tenant-level attribution
  • Store session ID for deterministic replay workflows
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