# SetToolFlangeDigitalOutputRequest.DualChannel - Source proto: `rb/api/tool_flange.proto` | Field | Type | Label | Description | | ----- | ---- | ----- | ----------- | | state_0 | [bool](../scalar-value-types.md#scalar-value-types) | | | | state_1 | [bool](../scalar-value-types.md#scalar-value-types) | | |