# WRKCTICERT - Work with Cybersource Certificates WRKCTICERT can be used to add and manage P12 certificates provided by Cybersource and allow CTI to use them. The command has one optional parameter `LIB` where you can specify a library to load CTICFGCERT data from, but most users will not need to use `LIB`. `WRKCTICERT` You should see a screen showing a list of all P12 certificates you currently have imported (if any) and have a variety of options and F-keys to manage your P12 certificates. ![Work with Cybersource Certificates (WRKCTICERT)](https://isupport.katointegrations.com/cti/wrkcticert/wrkcticert1.png "Work with Cybersource Certificates (WRKCTICERT)") If this is your first time using `WRKCTICERT`, you will want to press F6 to add a P12 certificate. ![WRKCTICERT, Add Certificate](https://isupport.katointegrations.com/cti/wrkcticert/wrkcticert2.png "WRKCTICERT, Add Certificate") Enter the merchant ID and environment the P12 was generated for, as well as whether or not you wish to log all requests (typically *NO in Production). You will also need to provide an IFS filepath to your P12 certificate which was [created using the Cybersource Business Center](https://isupport.katointegrations.com/cti/create_cs_p12_certificate.md) and the password that you set for the P12.