public void setClientId(String clientId) throws HelloSignException {
        if (clientId == null) {
            throw new HelloSignException("Client ID cannot be null");
        }
        this.clientId = clientId.trim();
    }
public void setClientId ( String clientId ) throws HelloSignException { if ( clientId == null ) { throw new HelloSignException ( "Client ID cannot be null" ) ; } this . clientId = clientId . trim ( ) ; }
Associates this request with an API app.

@param clientId String client ID of the API app.
@throws HelloSignException thrown if clientId is null