instantiate_chaincode_with_config.go

cfg := []*cb.CollectionConfig{ collCfg1, collCfg2}
policy = "OR ('Org1MSP.member','Org2MSP.member','Org3MSP.member','Org4MSP.member')"
// here this policy is a completely separate entity, it relates to the all organization's peers following an endorsing policy to validate all the blocks in the network consistently.

ccPolicy, _ := cauthdsl.FromString(policy) // cauthdsl will convert the policy string to Policy object
resp, err := s.Resmgmt.InstantiateCC(
     s.ChannelID,
     resmgmt.InstantiateCCRequest{
        
            Name:       s.ChaincodeId,
            Path:       s.ChaincodePath,
            Version:    s.ChainCodeVersion,
            Args:       [][]byte{[]byte("init")},
            Policy:     ccPolicy,
            CollConfig: cfg,
     },resmgmt.WithRetry(retry.DefaultResMgmtOpts), resmgmt.WithTargets(orgPeers[0], orgPeers[1]))