Control

If block *Example*

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Wait until condition is true

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Stop the script it is in from running. *Example*

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Stop all scripts in project from running

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Repeat loop a defined number of times

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Loop while condition is true

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Loop a defined number of times and supply the loop counter to blocks inside the loop (Click on to change its name)
Example

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Can be used as 2nd parameter in to change starting number…

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… and/or size of the step

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Used inside a loop to wait for screen refresh

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Wait for a specific time period

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Loop forever but automatically wait for screen refresh at the end of each loop

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Run the following blocks when a key is pressed
Example

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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'

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Attach data to the broadcast

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Aim broadcast at specific instance or list of instances

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Run following blocks when broadcast message is received

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Access the data (if any) sent with the broadcast

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Run the following blocks when instance is clicked

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Run the following blocks whe instance is dropped.

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Return a value (used when defining own blocks as reporter blocks)