# Sync 2

## Command Description

<figure><img src="https://content.gitbook.com/content/ZSEaukXZvekl0qIsJpTb/blobs/cMIeLkWjlfObSDOubjzv/image.png" alt=""><figcaption></figcaption></figure>

The Sync 2 command copies the item numbers of the *Parts Only* BOM view of the current (main) assembly to the *Parts Only* BOM view of the subassemblies.

{% hint style="info" %}
This command modifies components' item numbers in subassemblies.
{% endhint %}

{% hint style="warning" %}
This command is to be run in the main assembly only.
{% endhint %}

A schematic image of the process is in the image below.

<figure><img src="https://content.gitbook.com/content/ZSEaukXZvekl0qIsJpTb/blobs/0kzvK2SvUkuQ2TaBdh2R/image.png" alt=""><figcaption><p>Sync 2 command workflow</p></figcaption></figure>

### Summary of changes to the BOM performed by the command (a comparison matrix)

<figure><img src="https://content.gitbook.com/content/ZSEaukXZvekl0qIsJpTb/blobs/qWNemfvPPpmYxj8peYuF/image.png" alt=""><figcaption><p>The comparison matrix of BOM manipulation tools </p></figcaption></figure>

## Command Location

* Assembly environment (`Be.Smart T4I -> BOM panel`, `Assemble -> Manage panel`).

## Command Settings

This command has no settings.

## Workflow Overview

1. Run the command.

## Description of changes performed by the command

In the *Parts Only* BOM of the main assembly, components 004, 005, and 006 have item numbers 4, 5, and 6 (after the dot symbol). Item numbers of components 004, 005, and 006 in the parts-only BOM view in subassembly 010 are 1, 2, and 3.

| Parts-only main assembly BOM before applying the command                                           | Parts-only subassembly BOM before applying the command                                                                      | Parts-only subassembly BOM after applying the command                                                                      |
| -------------------------------------------------------------------------------------------------- | --------------------------------------------------------------------------------------------------------------------------- | -------------------------------------------------------------------------------------------------------------------------- |
| ![](https://content.gitbook.com/content/ZSEaukXZvekl0qIsJpTb/blobs/HeWFMiJZhGJ2APDkc26T/image.png) | ![](https://content.gitbook.com/content/ZSEaukXZvekl0qIsJpTb/blobs/o9dClskak8qrgLSgebif/sync2-subassy-partsonly_before.png) | ![](https://content.gitbook.com/content/ZSEaukXZvekl0qIsJpTb/blobs/AtcVM2wmvsxlCCLtnXUK/sync2-subassy-partsonly_after.png) |

After running the command, the parts-only numbering in the subassembly matches the parts-only numbering of the main assembly. The subassembly file is physically modified by the command.