sink1

{
    "name": "sink1",
    "properties": {
        "linkedServiceName": {
            "referenceName": "AzureDataLakeStore1",
            "type": "LinkedServiceReference"
        },
        "type": "AzureDataLakeStoreFile",
        "structure": [
            {
                "name": "col1",
                "type": "String"
            }
        ],
        "typeProperties": {
            "format": {
                "type": "TextFormat",
                "columnDelimiter": ",",
                "rowDelimiter": "",
                "nullValue": "\\N",
                "treatEmptyAsNull": true,
                "skipLineCount": 0,
                "firstRowAsHeader": true
            },
            "fileName": "sink1.txt",
            "folderPath": "myDir"
        }
    }
}