public AssetModelCompositeModel withProperties(AssetModelProperty... properties) {
        if (this.properties == null) {
            setProperties(new java.util.ArrayList<AssetModelProperty>(properties.length));
        }
        for (AssetModelProperty ele : properties) {
            this.properties.add(ele);
        }
        return this;
    }
<p>
The asset property definitions for this composite model.
</p>
<p>
<b>NOTE:</b> This method appends the values to the existing list (if any). Use
{@link #setProperties(java.util.Collection)} or {@link #withProperties(java.util.Collection)} if you want to
override the existing values.
</p>

@param properties
       The asset property definitions for this composite model.
@return Returns a reference to this object so that method calls can be chained together.
aws-java-sdk-iotsitewise/src/main/java/com/amazonaws/services/iotsitewise/model/AssetModelCompositeModel.java