1. Create an input sheet.
  2. Click on User:xxx to get Design menu and other excel menus.
  3. Go to Developer menu -> Controls section -> Insert button -> select the button shape you want, example square.
  4. Draw a square on the input sheet in the location you want the Send Data button to be.
  5. Assign Macro window will pop up.
  6. Type CL_SendData in Macro name field -> click on OK.
  7. Right click on the button you just add and select Edit Text
  8. Type Send Data in the button text.
  9. Save the input sheet. 
  10. You can do some testing on the button.