public void setCustomSecurityGroupId(String customSecurityGroupId) {
        this.customSecurityGroupId = customSecurityGroupId;
    }
<p>
The identifier of the default security group to apply to WorkSpaces when they are created. For more information,
see <a href="https://docs.aws.amazon.com/workspaces/latest/adminguide/amazon-workspaces-security-groups.html">
Security Groups for Your WorkSpaces</a>.
</p>

@param customSecurityGroupId
       The identifier of the default security group to apply to WorkSpaces when they are created. For more
       information, see <a
       href="https://docs.aws.amazon.com/workspaces/latest/adminguide/amazon-workspaces-security-groups.html">
       Security Groups for Your WorkSpaces</a>.
aws-java-sdk-workspaces/src/main/java/com/amazonaws/services/workspaces/model/DefaultWorkspaceCreationProperties.java