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tangotango 

Lookup search function for custom object

We have a custom object that when selecting the object from the lookup function (after relating to another object) we would like to use an external ID field for the search instead of the custom object Name/Number. Is it possible to change the default search behavior or replace this with an sControl?

Alternatively we would like to perhaps filter or limit the search items available based on the value of the external id field. In other words input the second field/External ID and only show the available Custom objects with the corresponding external values.

Any suggestions would be great. T


Thanks