I want to draw a chart to show programming functions relationship together.
Imagine I've 3 functions:
Function a1(a,b)
{
//Do something
}
Function a2(x)
{
//Do something
}
Function a3()
{
Function a1(10,20)
Function a2(50)
}
I want to show in a diagram that I have 3 functions with some inputs and how functions call each others. I've tried MS Visio but I don't know how to show functions input parameters. I've also used Visual paradigm software to draw class diagrams, there I could specify functions' input and their types but couldn't put them in a workflow.
How can I do this with Visio?