Advance the viewer's read marker for a channel. The marker is a `chat.yakka.readMarker` record in the viewer's own settings space (ADR 0017), so it follows them to any client rather than living in this appview's idea of them. Monotonic: a marker never moves backwards, so an out-of-order call from a second tab cannot un-read a channel.
Input
application/jsonErrors
ChannelNotFound
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View raw schema
{
"type": "procedure",
"input": {
"schema": {
"ref": "#input",
"type": "ref"
},
"encoding": "application/json"
},
"errors": [
{
"name": "ChannelNotFound"
}
],
"description": "Advance the viewer's read marker for a channel. The marker is a `chat.yakka.readMarker` record in the viewer's own settings space (ADR 0017), so it follows them to any client rather than living in this appview's idea of them.\n\nMonotonic: a marker never moves backwards, so an out-of-order call from a second tab cannot un-read a channel."
}