Pixel-Composer/scripts/node_iterate/node_iterate.gml

function Node_Iterate(_x, _y, _group = noone) : Node_Iterator(_x, _y, _group) constructor {
	name  = "Loop";
	
	newInput(0, nodeValue_Int("Repeat", self, 1 ))
		.uncache();
	
	custom_input_index = array_length(inputs);
	
	if(NODE_NEW_MANUAL) {
		var input  = nodeBuild("Node_Iterator_Input", -256, -32, self);
		var output = nodeBuild("Node_Iterator_Output", 256, -32, self);
		
		input.inputs[2].setValue(4);
		output.inputs[1].setFrom(input.outputs[1]);
	}
	
	static getIterationCount = function() { return getInputData(0); }
}