change SpecificPrice for a product

[ChDUP]

Hello everyone.

 

I have my product ID andmy promotional price that I want to apply. (there is already a promotional price, I just want to change it)

How to do this as cleanly as possible?

 

I've looked at SpecificPrice class and update function, but I do not know what parameters to use?

 

public function update ($ null_values ​​= false)
{
  if (parent :: update ($ null_values​​))
  {
   / / Flush Cache When we updating a new Specific price
   self :: $ _specificPriceCache = array ();
   FlushPriceCache product :: ();
   return true;
  }
  return false;
}

 

 

thank you for your help

[ChDUP]

help please !