Mmmmm, I don't understand what that

[rugged crest]

It's a pump that activates periodically, that period being really quick though.
Here's a Blueprint of one I made:

[knotty jackal]

u should use /blueprint when sending string

or /bp

[fallow karma]

No blueprint string was found. Make sure to specify a string, url, or file.

[rugged crest]

Ty

[knotty jackal]

no need to use the custom one

just "string" is enough for it to work