How to pass data from the first form to the second?

Question

1C

Here I have a warehouse, on it there is an OpenProcessing button, by pressing this button I want a modal window of the processing form to open on top of the warehouse form, to which values ​​​​from the warehouse form will be transferred, which method opens and transfers data there?

Answer 1

The search shouldn't have been difficult.
Here is a good example

Answer 2

You can see an example in typical configurations, for example, in UT 11: -
Opening the form for selecting goods in sales documents;
- Opening the form of the list of payment documents by the button "Payment offset";
well you get it..