Auto Fishing Macro

fishbot.bem

 // #showtooltip Fishing
 // /use Shiny Bauble
 // /use 16
 // /click StaticPopup1Button2
 // /stopspelltarget
 // /cast fishing
 begin
     // 
     // ==========Set below RGB Values using the Investigate Tool for the current environment==========
     // 
     // Feather Color Setting
     Variable.Set("featherR", "100")
     Variable.Set("featherG", "40")
     Variable.Set("featherB", "35")
     Variable.Set("featherD", "12")
     // Bobber\Cork Color Setting
     Variable.Set("bobberR", "155")
     Variable.Set("bobberG", "140")
     Variable.Set("bobberB", "155")
     Variable.Set("bobberD", "14")
     // Splash Color Setting
     Variable.Set("splashR", "255")
     Variable.Set("splashG", "255")
     Variable.Set("splashB", "255")
     Variable.Set("splashD", "20")
     // 
     // ==========There should be no need to alter anything below==========
     // ==========Main==========
     // 
     Variable.Set("Bobber Found", "false")
     Variable.Set("Splash Found", "false")
     Function.Execute("Setup and Cast")
     // Find the red feather
     Function.Execute("Find Red Feather")
     begin loop()
          Function.Execute("Failsafe Check")
          // Find the bobber
          Function.Execute("Find Bobber")
          if  Variable.Is equal to("Bobber Found", "true")
               begin
                    begin loop()
                         // Look for splash
                         Function.Execute("Find Splash")
                         if  Variable.Is equal to("Splash Found", "true")
                              begin
                                   Function.Execute("Catch Fish")
                              end
                         Function.Execute("Failsafe Check")
                    end
               end
     end
 end
 // 
 // ==========Functions==========
 // 

function("Setup and Cast")
     begin
          Window.Wait for window to be top most("World of Warcraft", "yes")
          Window.Get size("World of Warcraft", "yes", "windowX", "windowY")
          Macro.Pause("3000")
          // Move the mouse out of the way
          Mouse.Set coordinate("1", "1")
          // Cast the lure
          Keyboard.Press key("9")
          Macro.Pause("3000")
     end
function

function("Failsafe Check")
     begin
          if  Macro.Execution time of current global loop has exceeded("30000")
               begin
                    Macro.Restart("True")
               end
     end
function

function("Find Red Feather")
     begin
          Color.Find coordinate of occurrence on screen closest to coordinate (RGB)("{featherR}", "{featherG}", "{featherB}", "{featherD}", "960", "440", "x", "y")
          Mouse.Set coordinate("{x}", "1")
     end
function

function("Find Bobber")
     begin
          if  Color.Near coordinate is within (RGB range)("{bobberR}", "{bobberG}", "{bobberB}", "{bobberD}", "{x}", "{y}", "45")
               begin
                    // Move the mouse to show that the bobber has been found
                    Variable.Set("yOffset", "{y}")
                    Variable.Add (Math)("yOffset", "100")
                    Mouse.Set coordinate("{x}", "{yOffset}")
                    Variable.Set("Bobber Found", "true")
               end
     end
function

function("Find Splash")
     begin
          if  Color.Near coordinate is within (RGB range)("{splashR}", "{splashG}", "{splashB}", "{splashD}", "{x}", "{y}", "45")
               begin
                    Variable.Set("Splash Found", "true")
               end
     end
function

function("Catch Fish")
     begin
          Mouse.Set coordinate("{x}", "{y}")
          Mouse.Set coordinate("{x}", "{y}")
          Macro.Pause("500")
          Mouse.Click("Right")
          Mouse.Click("Right")
          Macro.Pause("2000")
          Macro.Restart("True")
     end
function
 

How i can use that? i don't know , you can explain?