Verification de Faits

Verifies a claim against the workspace knowledge sources. Returns a verdict (verified/unverified) with a confidence score and sources.

Parameters

Parameter	Type	Required	Variable	Description
input	dynamic value	Yes	Yes	Claims or text to verify. The system automatically decomposes into individual assertions.
sources.useKnowledgeGraph	boolean	No	No	Query the Knowledge Graph to verify claims (entity existence, relations, properties). (Default: true)
sources.useWebSearch	boolean	No	No	Use web search to verify claims (requires a SerpAPI API key). (Default: false)
sources.customSources	dynamic value	No	Yes	Custom verification sources (documents, reference texts).
entityTypeFilter	array	No	No	Limit verification to specified entity types (e.g. Client, Project).
confidenceThreshold	number	No	No	Minimum confidence threshold (0 to 1) to consider a claim as verified. (Default: 0.7, min 0, max 1)
includeReasoning	boolean	No	No	Include detailed reasoning for each verified or rejected assertion. (Default: true)
onUnverified	choice (flag, reject, warn)	No	No	Action on unverified claims: flag, reject, or warn. (Default: "flag")
model.provider	text	No	No	Language model provider for claim analysis.
model.model	text	No	No	Model identifier to use (e.g. gpt-4o).
parameters.temperature	number	No	No	Model creativity. Low value recommended for verification. (Default: 0.2, min 0, max 2)
parameters.maxTokens	number	No	No	Maximum number of tokens in the verification response. (Default: 4096, min 1, max 128000)
outputVariable	text	No	No	Output variable name containing the verification results.
violationsVariable	text	No	No	Variable name storing the unverified claims.

Parameters marked Variable = Yes accept the {{blockName.field}} syntax.

Output

Output variable : verificationResult

{
  "verified": false,
  "confidence": 0,
  "sources": []
}

Example

Verify a business claim.

Input :

{"claim": "Le fournisseur Acme a un taux de livraison de 98%"}

Output :

{"verified": true, "confidence": 0.87, "sources": [{"id": "doc-1", "title": "Rapport fournisseurs 2025"}]}

Tip

{{verificationResult.verified}} is the boolean verdict. {{verificationResult.sources}} lists the documents used for verification.