[Home](./index.md) > [@firebase/functions](./functions.md) > [FunctionsError](./functions.functionserror.md) > [code](./functions.functionserror.code.md) ## FunctionsError.code property A standard error code that will be returned to the client. This also determines the HTTP status code of the response, as defined in code.proto. Signature: ```typescript readonly code: FunctionsErrorCode; ```