How to substitute the current price from the information register?

Question

1C

How to substitute the current price and the name of the range from the "TariffPrices" information register into the "Flight" document when entering "Distance number"?
Tell me, please, how to solve this problem?

Answer 1

On the "When changing" event of the Distance field, set the execution of the request, which will receive the required price.

Answer 2

and Yaby, left the props "Before", he was guided by him in the search.
including this removed the possibility of an error in entering tariff ranges. type one "from 1 to 10", the second "from 9 to 15".