[Home](./index.md) > [@jackdbd/hapi-telegram-plugin](./hapi-telegram-plugin.md) > [RequestEventMatcher](./hapi-telegram-plugin.requesteventmatcher.md) > [predicate](./hapi-telegram-plugin.requesteventmatcher.predicate.md) ## RequestEventMatcher.predicate property Signature: ```typescript predicate: (request: Hapi.Request, event: Hapi.RequestEvent, tags: Tags) => boolean; ```