/**
     * Deletes an associated AssetCustomFieldAssetModel
     * @param AssetCustomFieldAssetModel $objAssetCustomFieldAssetModel
     * @return void
     */
    public function DeleteAssociatedAssetCustomFieldAssetModel(AssetCustomFieldAssetModel $objAssetCustomFieldAssetModel)
    {
        if (is_null($this->intCustomFieldId)) {
            throw new QUndefinedPrimaryKeyException('Unable to call UnassociateAssetCustomFieldAssetModel on this unsaved CustomField.');
        }
        if (is_null($objAssetCustomFieldAssetModel->AssetCustomFieldAssetModelId)) {
            throw new QUndefinedPrimaryKeyException('Unable to call UnassociateAssetCustomFieldAssetModel on this CustomField with an unsaved AssetCustomFieldAssetModel.');
        }
        // Get the Database Object for this Class
        $objDatabase = CustomField::GetDatabase();
        // Perform the SQL Query
        $objDatabase->NonQuery('
				DELETE FROM
					`asset_custom_field_asset_model`
				WHERE
					`asset_custom_field_asset_model_id` = ' . $objDatabase->SqlVariable($objAssetCustomFieldAssetModel->AssetCustomFieldAssetModelId) . ' AND
					`custom_field_id` = ' . $objDatabase->SqlVariable($this->intCustomFieldId) . '
			');
        // Journaling
        if ($objDatabase->JournalingDatabase) {
            $objAssetCustomFieldAssetModel->Journal('DELETE');
        }
    }