# Type Alias: StringPackFormula<ParamDefsT>

> **StringPackFormula**\<`ParamDefsT`> = [`BaseFormula`](../BaseFormula/)\<`ParamDefsT`, [`SchemaType`](../SchemaType/)\<[`StringSchema`](../StringSchema/)>> & `object`

Defined in: [api.ts:1061](https://github.com/coda/packs-sdk/blob/44f7744bb692307d51cf2020a7058f343a7e25e8/api.ts#L1061)

A pack formula that returns a string.

## Type Declaration

| Name | Type | Defined in | | --- | --- | --- | | `schema?` | [`StringSchema`](../StringSchema/) | [api.ts:1062](https://github.com/coda/packs-sdk/blob/44f7744bb692307d51cf2020a7058f343a7e25e8/api.ts#L1062) |

## Type Parameters

| Type Parameter | | --- | | `ParamDefsT` *extends* [`ParamDefs`](../ParamDefs/) |