How to attach ACR from different Subscription to AKS? [closed]

can anyone know how to attach ACR from different subscriptions to AKS in Azure?
I am looking for any info about that, alas I've found only a topic https://github.com/Azure/AKS/issues/243 where someone said that this is fixed but unfortunately there's no info how to achieve that?

How do you attach ACR to existing AKS?

Integrate an existing ACR with existing AKS clusters by supplying valid values for acr-name or acr-resource-id as below. Running az aks update --attach-acr uses the permissions of the user running the command to create the role ACR assignment. This role is assigned to the kubelet managed identity.

What is ACR in Azure?

ACR Tasks is a suite of features within Azure Container Registry. It provides cloud-based container image building for platforms including Linux, Windows, and ARM, and can automate OS and framework patching for your Docker containers.

in this case the answer was to provide the proper input (typo in the ACR ID).