public CreateDBInstanceRequest withDomainIAMRoleName(String domainIAMRoleName) {
        setDomainIAMRoleName(domainIAMRoleName);
        return this;
    }
<p>
Specify the name of the IAM role to be used when making API calls to the Directory Service.
</p>

@param domainIAMRoleName
       Specify the name of the IAM role to be used when making API calls to the Directory Service.
@return Returns a reference to this object so that method calls can be chained together.
aws-java-sdk-neptune/src/main/java/com/amazonaws/services/neptune/model/CreateDBInstanceRequest.java