[Home](./index.md) > [@datashaper/schema](./schema.md) > [DualInput](./schema.dualinput.md) ## DualInput interface Dual-input, single-output step I/O Signature: ```typescript export interface DualInput ``` ## Properties | Property | Modifiers | Type | Description | | --- | --- | --- | --- | | [input](./schema.dualinput.input.md) | | { source: [WorkflowInput](./schema.workflowinput.md); other: [WorkflowInput](./schema.workflowinput.md); } | The inputs that must be bound; "source" & "other". |