Function requireHeader

requireHeader(
headerName: string,
expectedValue?: string,
): ContextProvider<ActionContext>

Creates a context provider that requires a specific header to be present.

Parameters

headerName: string
OptionalexpectedValue: string

Returns ContextProvider<ActionContext>

Example

// Require header to exist
export const handler = onCallGenkit(
  { contextProvider: requireHeader('X-Request-ID') },
  myFlow
);

// Require header to have specific value
export const handler = onCallGenkit(
  { contextProvider: requireHeader('X-API-Version', '2.0') },
  myFlow
);