[Home](./index.md) > [@snowplow/browser-tracker](./browser-tracker.md) > [EmitterConfigurationBase](./browser-tracker.emitterconfigurationbase.md) > [credentials](./browser-tracker.emitterconfigurationbase.credentials.md) ## EmitterConfigurationBase.credentials property Controls whether or not the browser sends credentials (defaults to 'include') Signature: ```typescript credentials?: "omit" | "same-origin" | "include"; ```