Filter query based on combo box (1 Viewer)

Hello guys, i wanna to ask you a simple question,
I have a combo box consists of a data linked from a company codes query, i wanna to create a button when i click on it its open my main query.(which consists of alot of companies codes.) bases on the input i choose from my combo list.
For example if i choose code MR then i click on button it shows only data with the mentioned code

The query would need a dynamic parameter that references combobox. Otherwise, use query as RecordSource of form or report and use code to open form or report filtered to combobox value.