Triggers a redstone signal by spawning a redstone block at a specific position for a set amount of time. This lets you trigger redstone contraptions in the stomach build without being there physically.
Set Location - Lets you set where the redstone block should be spawned. Change it by clicking it while standing at the position you want it to spawn at.
Duration - Lets you set how long the redstone block should appear for. (1 - 10 seconds)
Command Trigger to be able to trigger a redstone contraption by command using /voplay <trigger> [username]. If you want to make a toggle you could use a copper bulb with a redstone comparator and then put the redstone trigger next to the copper bulb.