Error using the Visitor ID to upload data using the Generic Data Source (Transaction ID)

[Former Community Member]

We are trying to upload offline data linked to an online visit and attribute that as a success event to an online campaign. To do that we collect the Visitor Id during a session and then we try to use that to import the data through a Generic Data Source (Transaction ID).

This is a request example using the API 1.3 BeginDataBlock Method:

{
    "blockName":"test",
    "columnNames":[
        "Date",        
        "visitorID",
        "Evar 1"
    ],
    "dataSourceID":"1",
    "endOfBlock":"1",
    "reportSuiteID":"XXX",
    "rows":[
            "04/11/2015/16/30/00",
            "2B1CC581852C22E8-400000C0A013CFDD",
            "Test"
    ]
}

Based on this article this should be possible https://marketing.adobe.com/resources/help/en_US/sc/datasources/adobe_analytics_data_sources.pdf. However, when we try to do that we receive the following error during the data processing: "Column header: "visitorid" is not a valid column header"

Any idea of what might be causing this? Is this a known issue?

Thanks

[jantzen_b · Accepted solution]

Since this is an older post, I'm assuming you've solved this issue. Incase others find this post, I'll post the link to the documentation below:

https://experienceleague.adobe.com/docs/analytics/import/data-sources/data-types-and-categories/data...