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Control

Blocks	Description
	If block.	Example
	Wait until condition is true
	Stop the script it is in from running.
	Stop all scripts in project from running
	Repeat loop a defined number of times
	Loop while condition is true
	Loop a defined number of times and supply the loop counter to blocks inside the loop (Click on to change its name)	Example
	Can be used as 2nd parameter in to change starting number…
	… and/or size of the step
	Used inside a loop to wait for screen refresh
	Wait for a specific time period
	Loop forever but automatically wait for screen refresh at the end of each loop
	Run the following blocks when a key is pressed	Example
	Send a message to all instances on the Stage. Start scripts that begin with a 'when I receive' hat that matches the message. The Go button broadcasts the message 'go'
	Attach data to the broadcast
	Aim broadcast at specific instance or list of instances
	Run following blocks when broadcast message is received
	Access the data (if any) sent with the broadcast
	Run the following blocks when instance is clicked
	Run the following blocks whe instance is dropped.
	Return a value (used when defining own blocks as reporter blocks)

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