Creating an additional field for selecting approvers

Creating an additional field for selecting approvers

Good afternoon.
We use the 10th version of SDP.
The organization has more than 10,000 bidders.
In certain situations, it is necessary to obtain approval of treatment.
We tried to use the "select approvers" field, but this is inconvenient because, this field loads the entire list at once, loading the field takes more than 20 seconds.
Is it possible to create an additional field, by the rules of fields and forms add to it all the initiators of the application and technical experts, and write a script that will add the first stage of approval with
the employee selected in this field !?

Please help.

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