> For the complete documentation index, see [llms.txt](https://ymq-app.gitbook.io/ymq-product-options-app/llms.txt). Markdown versions of documentation pages are available by appending `.md` to page URLs; this page is available as [Markdown](https://ymq-app.gitbook.io/ymq-product-options-app/faq/sku.md).

# sku

Since shopify does not allow to modify the sku of the product, the app will generate a virtual product to carry the sku information. 

For example: 

The sku of the product is: sku 1 

At this point there are 2 app options, namely 

test A, option value: a1,a2, sku: a1,a2 

test B, option value: b1,b2, sku: b1,b2

If the customer chooses a1 and b2, Then the final sku is sku 1-a1-b2

The link symbol "-" in the middle can be customized

For details, please refer to the figure below

**shopify variant sku**

<figure><img src="/files/lHA9pWx4PIjIJ0mqnhjs" alt=""><figcaption></figcaption></figure>

**app options sku**

<figure><img src="/files/vDKxsYnkTRVr1ZzPD47t" alt=""><figcaption></figcaption></figure>

<figure><img src="/files/slziBfoiHml1epAMdgGP" alt=""><figcaption></figcaption></figure>

**Product page display effect**

<figure><img src="/files/uH5Gkwv0Pw2FTy2zpTlE" alt=""><figcaption></figcaption></figure>

**Shopping cart page display effect**

<figure><img src="/files/S4QFcUdRPU7KbjQ1eURh" alt=""><figcaption></figcaption></figure>

**Checkout page display effect**

<figure><img src="/files/X02SRPRcwHlodnFciTnr" alt=""><figcaption></figcaption></figure>

**Order display effect**

<figure><img src="/files/iBrzQSGfXAZiuJZEXITo" alt=""><figcaption></figcaption></figure>

**SKU splicer**

<figure><img src="/files/HnqUe5I7enrSKLG2SMQv" alt=""><figcaption></figcaption></figure>