> ## 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. # AnthropicCacheControlTTL ## Example Usage ```python theme={null} from openrouter.components import AnthropicCacheControlTTL # Open enum: unrecognized values are captured as UnrecognizedStr value: AnthropicCacheControlTTL = "5m" ``` ## Values This is an open enum. Unrecognized values will not fail type checks. * `"5m"` * `"1h"`