[Home](./index.md) > [ibm-cloud-sdk-core](./ibm-cloud-sdk-core.md) > [IamRequestBasedTokenManager](./ibm-cloud-sdk-core.iamrequestbasedtokenmanager.md) > [setClientIdAndSecret](./ibm-cloud-sdk-core.iamrequestbasedtokenmanager.setclientidandsecret.md) ## IamRequestBasedTokenManager.setClientIdAndSecret() method Sets the IAM "clientId" and "clientSecret" values. These values are used to compute the Authorization header used when retrieving the IAM access token. If these values are not set, no Authorization header will be set on the request (it is not required). **Signature:** ```typescript setClientIdAndSecret(clientId: string, clientSecret: string): void; ``` ## Parameters

Parameter	Type	Description
clientId	string	the client id.
clientSecret	string	the client secret.

**Returns:** void