# 4 SKIM Sample Application

This chapter describes a sample application using the SKIM API. Six key steps are explained.

In this section:

Environment Variables for Sample Applications

Step One: Creating a connection with LLC using SwitchKit

Step Two: Creating an Instance of SKIM API Class

Step Three: Sending a TCAP Transaction

Step Four: Receiving a TCAP Transaction

Step Five: Receiving Notifications

Step Six: Terminating SKIM API Object Disconnection