"Change propagation" is a predefined property to hold change propagation information and is provided by Semantic MediaWiki. This property is pre-deployed (also known as special property) and comes with additional administrative privileges but can be used just like any other user-defined property.
B
{
"subject": "BSExtensionInfoDescription#102##",
"data": [
{
"property": "_CDAT",
"dataitem": [
{
"type": 6,
"item": "1/2017/8/18/11/47/13/0"
}
]
},
{
"property": "_LEDT",
"dataitem": [
{
"type": 9,
"item": "Margit.link-rodrigue#2##"
}
]
},
{
"property": "_MDAT",
"dataitem": [
{
"type": 6,
"item": "1/2022/11/17/12/15/53/0"
}
]
},
{
"property": "_NEWP",
"dataitem": [
{
"type": 4,
"item": "f"
}
]
},
{
"property": "_SKEY",
"dataitem": [
{
"type": 2,
"item": "BSExtensionInfoDescription"
}
]
},
{
"property": "_TYPE",
"dataitem": [
{
"type": 5,
"item": "http://semantic-mediawiki.org/swivt/1.0#_txt"
}
]
}
],
"serializer": "SMW\\Serializers\\SemanticDataSerializer",
"version": 2
}