addNotesToDevice api missing?

addNotesToDevice api missing?

i have a script that used the addNotesToDevice rest api to update a custom field. It was working for some time but i noticed that it no longer works. i get the error "the specified URL is incorrect". i checked the opmanager rest api documentation website and i no longer see any reference to addNotesToDevice. Was this api removed? is there any way to update a device custom field via api?

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