[Home](./index.md) > [@datashaper/schema](./schema.md) > [InputColumnListArgs](./schema.inputcolumnlistargs.md) ## InputColumnListArgs interface Base interface for a number of operations that work on a column list. Signature: ```typescript export interface InputColumnListArgs ``` ## Properties | Property | Modifiers | Type | Description | | --- | --- | --- | --- | | [columns](./schema.inputcolumnlistargs.columns.md) | | string\[\] | List of input columns for operations that work across multiple columns |