Name Importance Description End Middle Indicates the end of the block. Wait Middle Stops the flow for the specified number of seconds. Comment High Describe notes that do not affect the flow. Stop flow High Terminates the flow. On block error High Used for exception (error) handling. Get last error Middle Obtains information about the last error that occurred. Region High Combine multiple actions into one in a way that does not affect flow. Label / Go to Low Deprecated function. Moves to any position during the flow.