This section details the stages involved in developing a DEX and comprises the following steps:

• Step 1: Identify the DEX;
• Step 2: Create the XML for the DEX;
• Step 3: Add DEX to PLCSlib index;
• Step 4: Edit DEX XML;
• Step 5: Develop DEX PLCS Representation;
• Step 6: Create the SysML for the DEX.
• Step 7: DEX Reference Data creation;
• Step 8: DEX XML Schema creation.
• Step 9: DEX XML test data creation.