Maps2 Registry 

\JWeiland\Maps2\Tca\Maps2Registry::getInstance()->add(
    'events2', // Extension key of your extension
    'tx_events2_domain_model_location', // tablename of your location table
    [
        // add all columns to build a valid address as array
        // Add country only, if it is a string like "Germany". Else, see next options
        'addressColumns' => ['street', 'house_number', 'zip', 'city', 'country'],

        // You can define a hard-coded country for all addresses.
        'defaultCountry' => 'France',

        // Best option for country. If it is an INT and static_info_tables is loaded, it will
        // get country name from static_country.
        // If country could not be fetched, it will fallback to defaultCountry from above.
        'countryColumn' => 'country',

        // Optional: If you want to assign a PoiCollection only to a reduced set of records, you should use
        // ``columnMatch`` property. Internally this is a very simple array value comparison. No DB! If
        // you need more than simple comparison you can use SignalSlot in ``CreateMaps2RecordHook``.
        'columnMatch' => [
            // Simple match
            'pid' => '12',
            'title' => 'jweiland.net',

            // More complex examples:

            // Same as above: equals
            'pid' => [
                'expr' => 'eq',
                'value' => '12',
            ]

            // pid is in list of comma separated values
            'pid' => [
                'expr' => 'in',
                'value' => '11,12,13',
            ]

            // pid is greater than 8
            'pid' => [
                'expr' => 'gt',
                'value' => '8',
            ]

            // pid is greater than or equals 12
            'pid' => [
                'expr' => 'gte',
                'value' => '12',
            ]

            // pid is less than 15
            'pid' => [
                'expr' => 'lt',
                'value' => '15',
            ]

            // pid is less than or equals 12
            'pid' => [
                'expr' => 'lte',
                'value' => '12',
            ]
        ],

        // With defaultStoragePid you can define where our maps2 record should be saved.
        // defaultStoragePid has following priority from low to high:
        // PID of your location record, Configuration of Maps2Registry, pageTSconfig (ext.maps2.defaultStoragePid)
        // This order is hardcoded and can not be changed.
        // So, if a PID with help of Maps2Registry was found, it will be overwritten with value of pageTSconfig.

        // Within the Maps2Registry we have following ordering from low to high:
        // A fixed value, an extension configuration value, a pageTSconfig value.

        // Define a fixed storage PID where to save our maps2 PoiCollection record.
        // Useful for small websites. Single domain instances.
        // Keep in mind that this value will be overwritten with pageTSconfig (ext.maps2.pid)
        'defaultStoragePid' => 414,

        // Do not configure "defaultStoragePid" if you want to save maps2 PoiCollection records
        // in same storage as your location record. But, be careful: As a fallback we are using
        // pageTSconfig path "ext.maps2.defaultStoragePid" which has a higher priority than PID of your location record.
        // So, keep that in mind, remove "ext.maps2.defaultStoragePid" from pageTSconfig to save maps2 record in same storage
        // of your records.

        // Read an extension manager configuration from ext_conf_template.txt of a given extension
        'defaultStoragePid' => [
            'extKey' => 'events2', // extension to read $EXTCONF from
            'property' => 'poiCollectionPid', // Property with storage UID
            'type' => 'extensionmanager' // If type is not given, we will use "extensionmanager" as default.
        ],

        // Read storage PID from pageTSconfig
        // You can configure that path to your needs. In example below we try to get storage PID
        // from pageTSconfig: ext.events2.poiCollectionPid = 4324
        // Do not forget: If pageTSconfig (ext.maps2.defaultStoragePid) is set, it will overwrite this configuration.
        'defaultStoragePid' => [
            'extKey' => 'events2', // Extension key to read storage PID from
            'property' => 'poiCollectionPid', // Property key to read storage PID from
            'type' => 'pagetsconfig'
        ],

        // Priority ordered version
        // We will read all these entries from array key 0 until array key 3. If a PID was found in f.e.
        // array key 2 (after entry 0 and 1 have not returned a valid PID) we will use it and will not
        // process further entries (entry 3)
        'defaultStoragePid' => [
            0 => [
                'extKey' => 'news',
                'property' => 'pid_of_maps2',
                'type' => 'pagetsconfig'
            ],
            1 => [
                'extKey' => 'my_ext',
                'property' => 'specialConfiguredPidForMaps2',
                'type' => 'pagetsconfig'
            ],
            2 => [
                'extKey' => 'my_ext',
                'property' => 'mapsPid',
                'type' => 'extensionmanager'
            ],
            3 => [
                'extKey' => 'events2',
                'property' => 'poiCollectionPid',
                'type' => 'extensionmanager'
            ],
        ],

        // You can synchronize additional fields of your record with maps2 PoiCollection
        // Please only use fields of type String or int.
        // 1:N, N:1 and N:M relations are not supported. Please use SignalSlot postUpdatePoiCollection
        // and synchronize them on your own.
        'synchronizeColumns' => [
            [
                'foreignColumnName' => 'location', // column name of your extension
                'poiCollectionColumnName' => 'title' // column name of maps2 PoiCollection record
            ]
        ]
    ]
);