Shortcut for builds in Sublime Text 3

[Sasha_Chernykh]

Hello. I have Preview in Pale Moon.sublime-build file:

{
    "shell_cmd": "\"E:/Pale Moon/Palemoon-Portable.exe\" \"$file\""
}

How I can change a shortcut only for this build but that for all other build there was F7 or Ctrl+B shortcut?

BuildSwitcher for Sublime Text 2 and empty in Package Control.

[FichteFoll]

 { "keys": ["ctrl+alt+b"], "command": "build", "args": {"build_system": "Packages/User/Preview in Pale Moon.sublime-build", "variant": "" }

As revealed with sublime.log_commands(True) and triggering a few build-related commands, notably “Build With: …” from the command palette.

[Sasha_Chernykh]

Thank you very much!