[Home](./index.md) > [ibm-cloud-sdk-core](./ibm-cloud-sdk-core.md) > [IamRequestBasedAuthenticator](./ibm-cloud-sdk-core.iamrequestbasedauthenticator.md) > [setClientIdAndSecret](./ibm-cloud-sdk-core.iamrequestbasedauthenticator.setclientidandsecret.md) ## IamRequestBasedAuthenticator.setClientIdAndSecret() method Setter for the mutually inclusive "clientId" and the "clientSecret" fields. **Signature:** ```typescript setClientIdAndSecret(clientId: string, clientSecret: string): void; ``` ## Parameters

Parameter	Type	Description
clientId	string	the "clientId" value used to form a Basic Authorization header for IAM token requests
clientSecret	string	the "clientSecret" value used to form a Basic Authorization header for IAM token requests

**Returns:** void