Incorporating if-else statement with QPushButton

[JonSim]

Hi guys, anyone know how to incorporate QPushButton into if-else statment?
I am using connect function for my program.
I do not know how to let the QPushButton work if it is clicked.

iampushbutton = new QPushButton;
 
if(iampushbutton->_____?______ )
{
    function1();
}
else
{
   function2();
}

iampushbutton = new QPushButton;

if(iampushbutton->_____?______ )
{
    function1();
}
else
{
   function2();
}

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