Hyperledger Fabric Raft在configtx.yaml中，有没有一种方法为每个渠道定义一个协议组？

Profiles:
  ChannelProfile:
    Consortiums:
      SampleConsortium:
        Organizations:
          - Org1
          - Org2
        Policies:
          Readers:
            Type: Signature
            Rule: "OR('Org1.member', 'Org2.member')"
          Writers:
            Type: Signature
            Rule: "OR('Org1.member', 'Org2.member')"
          Admins:
            Type: Signature
            Rule: "OR('Org1.admin', 'Org2.admin')"

Organizations:
  - &Org1
    Name: Org1
    ID: Org1MSP
    MSPDir: crypto-config/peerOrganizations/org1.example.com/msp
    Policies:
      Readers:
        Type: Signature
        Rule: "OR('Org1MSP.admin', 'Org1MSP.peer', 'Org1MSP.client')"
      Writers:
        Type: Signature
        Rule: "OR('Org1MSP.admin', 'Org1MSP.client')"
      Admins:
        Type: Signature
        Rule: "OR('Org1MSP.admin')"
  - &Org2
    Name: Org2
    ID: Org2MSP
    MSPDir: crypto-config/peerOrganizations/org2.example.com/msp
    Policies:
      Readers:
        Type: Signature
        Rule: "OR('Org2MSP.admin', 'Org2MSP.peer', 'Org2MSP.client')"
      Writers:
        Type: Signature
        Rule: "OR('Org2MSP.admin', 'Org2MSP.client')"
      Admins:
        Type: Signature
        Rule: "OR('Org2MSP.admin')"