It looks like you're referring to Rage Plugin Hook version 0.37 (or a similar build) — a vital modding tool for Grand Theft Auto V that allows scripted mods (like LSPD First Response) to run.
Here is a breakdown of what makes RPH 0.37 memorable, where it excelled, and why it is now mostly a relic of the past.
The "--" at the end might suggest a comment or a note, possibly indicating that the versioning or the plugin itself is still under development, or it could simply be a stylistic element. Rage Plugin Hook 0.37--
Key Features of Rage Plugin Hook 0.37
Today, archived copies of RagePluginHook_037.zip circulate on sites like GTA5-Mods.com and LCPDFR.com. Some modpacks, such as "LSPDFR Classic: 2018 Edition," still require users to roll back to 0.37. It looks like you're referring to Rage Plugin
Console Key: By default, this is F4. You can change it here if it conflicts with other mods .
Version 0.37 was a significant legacy build during the early years of modding. Modern users should ensure they are using the latest version Key Features of Rage Plugin Hook 0
Directory Placement: Copy all files from the download—except for specific documentation folders—directly into your Grand Theft Auto V main directory.