# Function: deriveSymbol()

> **deriveSymbol**(`seed`): `string`

Defined in: [packages/bitbadgesjs-sdk/src/builder/generators/placeholder-art/index.ts:78](https://github.com/BitBadges/bitbadgesjs/blob/master/packages/bitbadgesjs-sdk/src/builder/generators/placeholder-art/index.ts#L78)

Turn a seed into 1-3 character monogram. Strips non-letters, uppercases.

## Parameters

### seed

`string`

## Returns

`string`