# Sync 2

## Command Description![](https://4060565498-files.gitbook.io/~/files/v0/b/gitbook-x-prod.appspot.com/o/spaces%2FL8qMZuBhZUXGRVospdct%2Fuploads%2F1bd2AykZdx93I7KWrN1o%2Fimage.png?alt=media\&token=d94b8e74-c8f9-441c-94a5-c51f5ac10cc9)

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://4060565498-files.gitbook.io/~/files/v0/b/gitbook-x-prod.appspot.com/o/spaces%2FL8qMZuBhZUXGRVospdct%2Fuploads%2FiAaLbjVIoHhEYKE9Sloh%2Fimage.png?alt=media&#x26;token=58f1064f-adec-4164-a053-03b220ca0589" 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://4060565498-files.gitbook.io/~/files/v0/b/gitbook-x-prod.appspot.com/o/spaces%2FL8qMZuBhZUXGRVospdct%2Fuploads%2FKCoMuXll8eebEfTPQ3HS%2Fimage.png?alt=media&#x26;token=86f4bf1e-086d-4d69-ad18-a697ff36fade" 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 main assembly's parts-only BOM, components 004, 005, and 006 have item numbers 4, 5, and 6. In the parts-only BOM view in subassembly 010, their item numbers 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://4060565498-files.gitbook.io/~/files/v0/b/gitbook-x-prod.appspot.com/o/spaces%2FL8qMZuBhZUXGRVospdct%2Fuploads%2FILizW7ktXtSWrEJIVogf%2Fimage.png?alt=media\&token=fabe63c3-351c-43b7-8fa7-7dcdc3618357) | ![](https://4060565498-files.gitbook.io/~/files/v0/b/gitbook-x-prod.appspot.com/o/spaces%2FL8qMZuBhZUXGRVospdct%2Fuploads%2Fd4iqWlETfSQqERJewsu9%2Fsync2-subassy-partsonly_before.png?alt=media\&token=b51247df-24e4-460c-8925-fb707b92863d) | ![](https://4060565498-files.gitbook.io/~/files/v0/b/gitbook-x-prod.appspot.com/o/spaces%2FL8qMZuBhZUXGRVospdct%2Fuploads%2FPCH74aG6PI6vrWfKPONI%2Fsync2-subassy-partsonly_after.png?alt=media\&token=3fe8e231-0b36-4bf9-9f77-48bf50c1a4b8) |

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.