> ## 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. # OperatorEnum ## Example Usage ```go theme={null} import ( "github.com/OpenRouterTeam/go-sdk/models/components" ) value := components.OperatorEnumEquals // Open enum: custom values can be created with a direct type cast custom := components.OperatorEnum("custom_value") ``` ## Values | Name | Value | | - | - | | `OperatorEnumEquals` | equals | | `OperatorEnumNotEquals` | not\_equals | | `OperatorEnumContains` | contains | | `OperatorEnumNotContains` | not\_contains | | `OperatorEnumRegex` | regex | | `OperatorEnumStartsWith` | starts\_with | | `OperatorEnumEndsWith` | ends\_with | | `OperatorEnumGt` | gt | | `OperatorEnumLt` | lt | | `OperatorEnumGte` | gte | | `OperatorEnumLte` | lte | | `OperatorEnumExists` | exists | | `OperatorEnumNotExists` | not\_exists |