Gets the authorization string required to access the protected resource.
async oauth.getAuthorization(): Promise<string>
This method performs several operations automatically depending on the value of ClientProfile. Please see the introduction section for the OAuth class for a detailed overview of the typical scenarios.
After authorization is completed this method will return the authorization string which can be passed directly to the Authorization property of any other component. This can also be passed as the value of the HTTP Authorization header to other implementations that access the protected resource as well.