# XML data

XML Data can be used to debug the system. User can check the messages delivered by the gateways. The view can be filtered using System Group and Gateway filters.

1. Go to Admin – XML Data to list XML messages received by the system. This view can be used for debugging purposes.

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The columns contain the following data:

<table><thead><tr><th width="223">Column</th><th>Description</th></tr></thead><tbody><tr><td>Event time</td><td>XML reception timestamp. Usually this is not a measurement timestamp. The measurement timestamps are included in the XML and sometimes they can differ from Event time by minutes or even hours if these are the data buffered in the gateway or node.</td></tr><tr><td>Gateway</td><td>Gateway database ID</td></tr><tr><td>Measuring Point</td><td>Database IDs of the MPs in the XML</td></tr><tr><td>MAC Address</td><td>Gateway MAC address</td></tr><tr><td>IP Adress</td><td>The IP address the XML was received from. Please note it may be the same address for all the XMLs if they are received via e.g. a router.</td></tr><tr><td>Size (bytes)</td><td>XML size in bytes</td></tr><tr><td>XML Data</td><td>Click the <img src="https://3107031480-files.gitbook.io/~/files/v0/b/gitbook-x-prod.appspot.com/o/spaces%2FPTZRr97g6y1opAswEdao%2Fuploads%2F7y40PqsKDnYgnMnVXN0M%2Fimage.png?alt=media&#x26;token=8fe561a7-d3dd-40da-b7d2-d13624d3cfb2" alt=""> icon to see the XML contents</td></tr><tr><td>Response</td><td>An answer to the XML POST sent from the system to gateway. The answer will differ depending on the gateway type, XML POST contents and result of XML handling inside B3 system. More details may be found in specific gateway installation manuals.</td></tr></tbody></table>