Unclear how to proceed with the provided command and its parameters

[tandaoli]

I have the following command:
"${ENGINE_DISTRIBUTION_BIN}\UE4Editor-Cmd.exe" "${PROJECT_DIR}\GameProjectGenerator.uproject" -run=ProjectGenerator -HeaderRoot="${HEADER_DUMP_PATH}" -ProjectFile="${GAME_PROJECT_FILE}" -PluginManifest="${GAME_PLUGIN_MANIFEST}" -OutputDir="${OUTPUT_DIR}" -stdout -unattended -NoLogTimes

I have the following command:

1. I successfully extracted the .pak file using the AES key with UnrealPak.exe.

Challenges:

Understanding how to configure GAME_PROJECT_FILE and GAME_PLUGIN_MANIFEST:

What exactly is GAME_PROJECT_FILE? Is it the .uproject file? If so, where do I get it, or do I need to create it manually?
What is GAME_PLUGIN_MANIFEST? Where should I locate this file, or how do I generate it?