[Home](./index.md) > [ibm-cloud-sdk-core](./ibm-cloud-sdk-core.md) > [IamRequestBasedAuthenticator](./ibm-cloud-sdk-core.iamrequestbasedauthenticator.md) > [setScope](./ibm-cloud-sdk-core.iamrequestbasedauthenticator.setscope.md) ## IamRequestBasedAuthenticator.setScope() method Setter for the "scope" parameter to use when fetching the bearer token from the IAM token server. **Signature:** ```typescript setScope(scope: string): void; ``` ## Parameters

Parameter	Type	Description
scope	string	(optional) a space-separated string that specifies one or more scopes to be associated with IAM token requests

**Returns:** void