code: public void setFunctions(java.util.Collection<FunctionConfiguration> functions) {
          if (functions == null) {
              this.functions = null;
              return;
          }
  
          this.functions = new com.amazonaws.internal.SdkInternalList<FunctionConfiguration>(functions);
      }
docs: <p>
  A list of Lambda functions.
  </p>
  
  @param functions
  A list of Lambda functions.