> ## Documentation Index > Fetch the complete documentation index at: https://openrouter.ai/docs/llms.txt > Use this file to discover all available pages before exploring further. # ContentFilterBuiltinSlug The builtin filter identifier ## Example Usage ```python theme={null} from openrouter.components import ContentFilterBuiltinSlug # Open enum: unrecognized values are captured as UnrecognizedStr value: ContentFilterBuiltinSlug = "email" ``` ## Values This is an open enum. Unrecognized values will not fail type checks. * `"email"` * `"phone"` * `"ssn"` * `"credit-card"` * `"ip-address"` * `"secrets"` * `"person-name"` * `"address"` * `"regex-prompt-injection"`