> ## 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 ```go theme={null} import ( "github.com/OpenRouterTeam/go-sdk/models/components" ) value := components.ContentFilterBuiltinSlugEmail // Open enum: custom values can be created with a direct type cast custom := components.ContentFilterBuiltinSlug("custom_value") ``` ## Values | Name | Value | | ---------------------------------------------- | ---------------------- | | `ContentFilterBuiltinSlugEmail` | email | | `ContentFilterBuiltinSlugPhone` | phone | | `ContentFilterBuiltinSlugSsn` | ssn | | `ContentFilterBuiltinSlugCreditCard` | credit-card | | `ContentFilterBuiltinSlugIPAddress` | ip-address | | `ContentFilterBuiltinSlugSecrets` | secrets | | `ContentFilterBuiltinSlugPersonName` | person-name | | `ContentFilterBuiltinSlugAddress` | address | | `ContentFilterBuiltinSlugRegexPromptInjection` | regex-prompt-injection |