Function Invocation

We can invoke functions in Flows.

Flow f = new Flow()
    .inputAs('a', 'b').returnInteger()
    .var('num = add(a, b)');

Flow f = new Flow()

    .inputAs('a', 'b').returnInteger()

    .var('num = add(a, b)');

Here we assign the value of num to be the result of calling add(a, b).

Funcs from R.apex are imported in Flow.apex. If you want to import custom Funcs, see below.

Flow.addFunc('plus', R.add);

Flow.addFunc('plus', R.add);

This will register the Func R.add in the name of plus. So you can refer it now in FlowScript.

Flow f = new Flow()
    .inputAs('a', 'b').returnInteger()
    .var('num = plus(a, b)');

Flow f = new Flow()

    .inputAs('a', 'b').returnInteger()

    .var('num = plus(a, b)');