Idempotence refers to the repeated performing of a task even though the end result remains the same.

 It is used mostly as a data source or a remote service in a way that when it receives the instruction more than once, it processes the instruction only once

https://www.bmc.com/blogs/idempotence/#:~:text=Idempotence%20is%20any%20function%20that,that%20classifies%20a%20function's%20behavior.