Ocelot-Social/backend/src/graphql/queries/groups/ChangeGroupMemberRole.gql

mutation ChangeGroupMemberRole($groupId: ID!, $userId: ID!, $roleInGroup: GroupMemberRole!) {
  ChangeGroupMemberRole(groupId: $groupId, userId: $userId, roleInGroup: $roleInGroup) {
    user {
      id
      name
      slug
    }
    membership {
      role
    }
  }
}