In custom ultility function extending ens.rule.functionset want a method with parameter of lookup tables
Currently have an extension of the ..lookup function as a custom version of the lookup. Is there any easy way to get it to display it as a list of the lookup tables
ClassMethod LookupV3(table As %String = "",
and the one i'm trying with

Product version: IRIS 2025.3
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Hi Mark.
Do you mean that you're trying to have a drop down in the "table" field when using your custom lookup function?
If so, I don't think this is possible as the logic for this seems to be buried in a system zen page that is explicitly looking out for both the "Lookup" and "Exists" function by name to give this behaviour.