ag-grid: Using Grid Event CellClicked for specific column - cannot access "this"

I have a column in grid which when clicked I am trying to access some method of class but the this context has changed and not available. Ex -

export class PreTflGridComponent implements OnInit {

columnDefs = [
{onCellClicked: this.editCellClicked}
];

constructor() { }

method(): void {
console.log('working');
}

editCellClicked(params) {
this.method();
}

}


Error:

ERROR TypeError: this.method is not a function


How can I access the methods/properties once the this context has changed.

Refer below for the exact issue https://stackblitz.com/edit/angular-vwgcc2, if you will click the column make and open up console then it would show the error I am facking.

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