public ListGroupMembersRequest withOrganizationId(String organizationId) {
        setOrganizationId(organizationId);
        return this;
    }
<p>
The identifier for the organization under which the group exists.
</p>

@param organizationId
       The identifier for the organization under which the group exists.
@return Returns a reference to this object so that method calls can be chained together.
aws-java-sdk-workmail/src/main/java/com/amazonaws/services/workmail/model/ListGroupMembersRequest.java