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The dsLive is a special spreadsheet function supplied by Deriscope that you may enter in any cell in order to kick off a live feeds related operation.
The exact nature of the live feeds operation is dictated by the contents of a pre-existing object, the handle name of which is passed to this function as an input argument.
The type of the object must derive from
Live Request
Note there exist the following nine different concrete subtypes of Live Request that handle various live feeds jobs:
Live Engine
Live Display Async
Live IEX
Hist YF
Hist AV
Hist WTD
Hist BC
Hist IEX
Hist Comp