---
title: "opcodes | open.mp"
description: "SendClientCheck action IDs"
canonical: https://omp.itsneufox.com/docs/scripting/resources/opcodes
language: en
---

# opcodes

note

This page contains all of the action/opcode IDs used by [SendClientCheck](https://omp.itsneufox.com/docs/scripting/functions/SendClientCheck).

| opcode | Purpose |
| --- | --- |
| 72 | The uptime of player's computer |
| 71 | The checksum of given model's ColModel (data in CColModel class) |
| 70 | The checksum of given model's CModelInfo (data in CModelInfo class) |
| 2 | Returns 32 flags of entity in CPhysical (if player is in vehicle, it sends data related to vehicle, if player is on foot, well.. it's player) |
| 5 | This one makes checksum of size bytes from arg + offset address (GTA memory) and returns it into response argument, and arg should be within GTA memory boundaries |
| 69 | This one makes checksum of size bytes from arg + offset address (SAMP memory) and returns it into response argument, and arg should be within GTA memory boundaries (0x0 - 0xC3500) |