System settings

Keys: crawlerdetect_*. Namespace crawlerdetect. The dot in crawlerdetect. is only on the placeholderPrefix placeholder. System setting keys have no dot.

Path: System → System settings, filter by namespace crawlerdetect.

Settings table

Setting	Description	Default
crawlerdetect_block_message	Message when a bot is blocked	Russian string from transport: «Не удалось отправить форму. Попробуйте позже.»
crawlerdetect_log_blocked	Log blocked submissions to MODX system log	Yes

The message goes to [[+fi.validation_error_message]] and the FormIt error key crawlerdetect ($hook->addError).

If crawlerdetect_log_blocked is missing from the database, the hook logs (fallback true, same as transport). Log line: HTTP_USER_AGENT only, max 200 characters. Not a concat of detection headers.

isCrawler snippet properties

Property	Description	Default
userAgent	String to check. Empty: JayBizzle headers (HTTP_USER_AGENT, HTTP_FROM, HTTP_SEC_CH_UA, …)	—
placeholderPrefix	Placeholder prefix for detected bot name	crawlerdetect.

Bot name: crawlerdetect.matches (or your prefix). For debugging.