composer.json

{
    "name": "mca140/customerattribute",
    "description": "Mca140 CustomerAttribute",
    "require": {
      "php": "~5.6.0|7.0.2|~7.0.6",
      "magento/module-store": "0.74.0-beta4",
      "magento/module-theme": "0.74.0-beta4",
      "magento/module-widget": "0.74.0-beta4",
      "magento/module-backend": "0.74.0-beta4",
      "magento/module-catalog": "0.74.0-beta4",
      "magento/module-email": "0.74.0-beta4",
      "magento/module-ui": "0.74.0-beta4",
      "magento/module-variable": "0.74.0-beta4",
      "magento/module-media-storage": "0.74.0-beta4",
      "magento/framework": "0.74.0-beta4",
      "magento/magento-composer-installer": "*"
    },
    "type": "magento2-module",
    "version": "0.74.0-beta4",
    "license": [
        "OSL-3.0",
        "AFL-3.0"
    ],
    "extra": {
        "map": [
            [
                "*",
                "Mca140/CustomerAttribute"
            ]
        ]
    }
}