Chain Llm¶

Node: chainLlm · Full type: @n8n/n8n-nodes-langchain.chainLlm · Version: 1.9

Parameters¶

Parameter	Type	Default	Details
`prompt`	string	"={{ $json.input }}"	required
`promptType`	options	"auto"	`auto`, `guardrails`, `define`
`text`	string	"={{ $json.guardrailsInput }}"	required
`hasOutputParser`	boolean	false
`needsFallback`	boolean	false
`messages`	fixedCollection	{}	groups: `messageValues`
`batching`	collection	{}	keys: `batchSize`, `delayBetweenBatches`

messages children:

messageValues group:

Parameter	Type	Default	Details
`type`	options	"SystemMessagePromptTemplate"	`AIMessagePromptTemplate`, `SystemMessagePromptTemplate`, `HumanMessagePromptTemplate`
`messageType`	options	"text"	`text`, `imageBinary`, `imageUrl`
`binaryImageDataKey`	string	"data"	required
`imageUrl`	string	""	required
`imageDetail`	options	"auto"	`auto`, `low`, `high`
`message`	string	""	required

batching children:

Parameter	Type	Default	Details
`batchSize`	number	5
`delayBetweenBatches`	number	0

NODE "chainLlm" AS "Chain Llm" {
  prompt: {{ $json.prompt }},
  text: {{ $json.text }}
}