How to Create Onpress events into the Custom Methods in Flutter

Container _catgoriesCard2() {
return Container(
width: 80,
height: 30,
margin: EdgeInsets.only(bottom: 150, left: 110),
decoration: BoxDecoration(
color: Colors.white,
borderRadius: BorderRadius.circular(10.5),
boxShadow: [
BoxShadow(
color: Colors.black12,
offset: const Offset(
5.0,
5.0,
),
blurRadius: 10.0,
spreadRadius: 2.0,
),
]),
child: Column(
mainAxisAlignment: MainAxisAlignment.center,
children: [
Row(
children: [
SizedBox(
width: 10,
),
Row(
children: [
Icon(
Icons.event,
size: 20,
color: Colors.blueAccent,
),
SizedBox(
width: 10,
),
Text(
'Events',
style: TextStyle(fontSize: 11, fontWeight: FontWeight.bold),
),
],
),
],
),
],
),
);
}