how to comment on a discussion with probot ?

[anwarghammam]

how to comment on a discussion with probot ? when I know the "repo ,org and discussion number"?

[gr2m]

I don't think there are any REST APIs for discussions yet. You can use GraphQL though, e.g. to create a discussion you can use the addDiscussionComment mutation

const query = `
  mutation ($discussionId: ID!, $body: String!) {
    addDiscussionComment(input: {discussionId: $discussionId, body: $body}) {
      comment {
        url
      }
    }
  }
`;

octokit.graphql(query, {
  discussionId: "<discussion node id>",
  body: "Discussion comment text",
});

You'll need to retrieve the node ID for the discussion first, the query for that could look like this

query ($owner:String!,$repo:String!,$discussionNumber:Int!){
  repository(owner:$owner,name:$repo) {
    discussion(number:$discussionNumber) {
      id
    }
  }
}

[anwarghammam]

@gr2m thank you so much for your help, I did not understand how to retrieve the node id for the discussion

[gr2m]

Depending on the context, you might already know the discussion node ID. E.g. if you act upon a discussion event, the event payload already includes the node ID at discussion.node_id

[anwarghammam]

it worked ! thank you a lot for your help