LangGraph.js API Reference
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@langchain/langgraph-sdk
EventsStreamEvent
Type Alias EventsStreamEvent
Stream event with events occurring during execution.
type
EventsStreamEvent
=
{
data
:
{
data
:
unknown
;
event
:
|
`
on_
${
|
"chat_model"
|
"llm"
|
"chain"
|
"tool"
|
"retriever"
|
"prompt"
}
_
${
"start"
|
"stream"
|
"end"
}
`
|
string
&
{}
;
metadata
:
Record
<
string
,
unknown
>
;
name
:
string
;
parent_ids
:
string
[]
;
run_id
:
string
;
tags
:
string
[]
;
}
;
event
:
"events"
;
id
?:
string
;
}
Index
Properties
data
event
id?
Properties
data
data
:
{
data
:
unknown
;
event
:
|
`
on_
${
|
"chat_model"
|
"llm"
|
"chain"
|
"tool"
|
"retriever"
|
"prompt"
}
_
${
"start"
|
"stream"
|
"end"
}
`
|
string
&
{}
;
metadata
:
Record
<
string
,
unknown
>
;
name
:
string
;
parent_ids
:
string
[]
;
run_id
:
string
;
tags
:
string
[]
;
}
event
event
:
"events"
Optional
id
id
?:
string
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Properties
data
event
id
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LangGraph.js API Reference
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Stream event with events occurring during execution.