public void setAssistantId(String assistantId) {
        this.assistantId = assistantId;
    }
<p>
The identifier of the Wisdom assistant. Can be either the ID or the ARN. URLs cannot contain the ARN.
</p>

@param assistantId
       The identifier of the Wisdom assistant. Can be either the ID or the ARN. URLs cannot contain the ARN.
aws-java-sdk-connectwisdom/src/main/java/com/amazonaws/services/connectwisdom/model/QueryAssistantRequest.java