{"version":"2.1.224","anchor":"sendmessage-telemetry-marks-blocked-waits-and-resumes","canonical_anchor":"sendmessage-telemetry-marks-blocked-waits-and-resumes","heading":"SendMessage telemetry marks blocked waits and resumes","tier":"internal","area":"Agents","scope":null,"heads_up":null,"url":"https:\/\/changelogs.core-directive.com\/v\/2.1.224\/e\/sendmessage-telemetry-marks-blocked-waits-and-resumes","release_url":"https:\/\/changelogs.core-directive.com\/v\/2.1.224","markdown":"### SendMessage telemetry marks blocked waits and resumes\n\nMessage delivery telemetry can flag when the sender blocked waiting for completion.\n\n**What**\n\nMessage delivery telemetry can now flag that the caller waited synchronously for completion, alongside the existing route and duration fields.\n\n**Details**\n\n- Agent-resume branches report on both success and failure under the route `resume`.\n- The evicted-agent mailbox path sets the blocked-wait flag.\n\n**Evidence**\n\n`blocked_wait`\n\n- Area: Agents\n- Tier: Under the hood\n- Useful: 1\/5\n- Signal: 2\/5"}