Prisma

if `componentA` loads a query like this: `&lt;Query query={EVENT_QUERY} variables={{ slug: this.props.match.params.slug }}&gt;` with the following qgl:
```
export const EVENT_QUERY = gql`
  query EventQuery($slug: String!) {
    event(slug: $slug) {
      id
      slug
      description
      title
      dates {
        id
        timestamp
      }
      places {
        id
        name
        url
      }
      participants {
        id
        name
      }
      menus
    }
  }
`;
```
And then I pass `participants` to `componentB`
What if `componentC` makes a `create mutation` and adds a new `participant` to that event... How should I update the original query so that the changes with cascade down to components A and B?

Would it be something like this in the &lt;Mutation&gt;?
```
update={(cache, { data }) =&gt; {
            const { event } = cache.readQuery({ query: EVENT_QUERY });
            cache.writeQuery({
              query: EVENT_QUERY,
              data: { participants: event.concat([data.createParticipant]) },
            });
          }}
```

Yes, you will require to update the cache manually.

Also, I think apollo's slack would be a better place to ask this