The PKP Tool Registry contract instance.
The token ID of the PKP.
The IPFS CID of the tool.
The Ethereum address of the delegatee.
Array of parameter names to retrieve from the policy.
A promise that resolves to the requested policy parameter values.
Retrieves specific policy parameters for a tool and delegatee combination. This function fetches parameter values that have been set in the tool's policy for a particular delegatee.