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Google GenAI (Gemini)

Google Vertex AI

Overview Chat Models Tools

Language

Theme

Pythonlangchain-parallel_typesSourcePolicy

Class

SourcePolicy

Copy

SourcePolicy()

Bases

BaseModel

Used in Docs

Parallel search integration

Attributes

View source on GitHub

include_domains: Optional[list[str]]

exclude_domains: Optional[list[str]]

after_date: Optional[Union[_dt.date, str]]

Domain allow/deny lists and freshness floor for web research.

Apex-domain semantics: include nature.com, not https://www.nature.com. Wildcards permitted (e.g. .org).