public void setExternalId(ExternalId externalId) {
        this.externalId = externalId;
    }
<p>
The identifier issued to this resource by an external identity provider.
</p>

@param externalId
       The identifier issued to this resource by an external identity provider.
aws-java-sdk-identitystore/src/main/java/com/amazonaws/services/identitystore/model/AlternateIdentifier.java