FunctionCredential

:::info[Note] This is a point-in-time snapshot of the API documentation from January 2026. Going forward, we will not be maintaining a public copy of these references, and recommend users to refer to the built-in signature helpers available in the Hack LSP instead for complete and up-to-date information. :::

Object of this type is returned by FUNCTION_CREDENTIAL but you almost certainly should NOT be attempting to construct this object

Interface Synopsis

final class FunctionCredential {...}

Public Methods

• ->__debugInfo(): darray
• ->__getDebugInfo(): darray
• ->getClassName(): ?string
• ->getFilename(): string
• ->getFunctionName(): string