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Button Callbacks
Button callbacks are invoked when custom Button Controls within a tool are clicked.
Internally, the Attribute called BTNCS_Execute needs to be set. The easiest way to accomplish this is by using the UserControls ToolScript. When adding a Button control, a field labeled Execute can be used to call Lua commands.
BTNCS_Execute = “print(\”Hello\”)”,
LINKS_Name = “Print Hello”,
INP_Default = 0,
LINKID_DataType = “Number”,
PrintHello = {
UserControls = ordered() {
},
},
INPID_InputControl = “ButtonControl”,
The generated button control will end up in the composition as:
When clicked “Hello” will be printed in the console.
