{
"id": "protocol-message:stream-event",
"_kind": "ProtocolMessage",
"_file": "extensions/protocol-messages/claude-code-protocol-messages.yaml",
"_cluster": "extensions",
"attributes": {
"displayName": "SDKMessage / StreamEvent",
"messageType": "StreamEvent",
"subtype": "none",
"direction": "core-to-user",
"terminal": false,
"errorCategory": "none",
"payloadSchema": {
"type": "StreamEvent",
"fields": [
"event",
"data"
]
},
"description": "Granular streaming delta — text tokens, thinking deltas, tool_use\nargument deltas — emitted while a turn is being assembled.\n"
},
"outgoingEdges": [],
"incomingEdges": [
{
"from": "agent-core-impl:claude-agent-sdk.core@current",
"to": "protocol-message:stream-event",
"kind": "emits_message_type",
"attributes": {}
},
{
"from": "agent-core-impl:claude-code.core@1.x",
"to": "protocol-message:stream-event",
"kind": "emits_message_type",
"attributes": {}
},
{
"from": "provider:anthropic",
"to": "protocol-message:stream-event",
"kind": "emits_message_type"
}
]
}