Create an input port in the Lookup transformation for each argument in the :LKP expression. For each lookup condition you plan to create, you need to add an input port to the Lookup transformation. You can create a different port for each condition, or use the same input port in more than one condition.
For example, a retail store increased prices across all departments during the last month. The accounting department only wants to load rows into the target for items with increased prices. To accomplish this, complete the following tasks: