> For the complete documentation index, see [llms.txt](https://doc.sysdevmobile.com/mss-extensibility/llms.txt). Markdown versions of documentation pages are available by appending `.md` to page URLs; this page is available as [Markdown](https://doc.sysdevmobile.com/mss-extensibility/mss-5.1/functions-kalipso-to-mss/customer/ext_customer_record.md).

# EXT\_Customer\_Record

Function to ask MSS to open MSS customer record screen.

*Input parameters*:

* inCustomerCode – Customer code to show;

Output parameters:

* outResultCode – Return code: 0 – Done;