[Home](./index.md) > [@firebase/analytics-types](./analytics-types.md) > [Promotion](./analytics-types.promotion.md) ## Promotion interface > Warning: This API is now obsolete. > > Use Item instead. > Signature: ```typescript export interface Promotion ``` ## Properties | Property | Type | Description | | --- | --- | --- | | [creative\_name](./analytics-types.promotion.creative_name.md) | string | | | [creative\_slot](./analytics-types.promotion.creative_slot.md) | string | | | [id](./analytics-types.promotion.id.md) | string | | | [name](./analytics-types.promotion.name.md) | string | |