Slack 新增 Bot App

Create New App

1. Create New App

填入 App Name 及 選擇 workspace

2. 維護 Base Information

維護 App Name & Short description & App icon & background color

3. 維護 Oauth & Permissions

Add an Oauth Scope
incoming-webhook 

channels:read
This scope lets an app "View basic information about public channels in the workspace"

chat:write:bot
This scope lets an app "Send messages as your slack app"

4. Install App into your workspace

Code Example

Send messages example

DotNet Code Send Message 2 Slack

private void send2stalck(string path,string query,string header,string body,string message)
{
    Dictionary dictQuery = new Dictionary();
    dictQuery.Add("channel", @"slack channel");
    dictQuery.Add("token", @"slack token");
    dictQuery.Add("text", message);
    JArray jaFields = new JArray();
    var joEnv = new JObject() { { "title", "env" }, { "value", Environment.GetEnvironmentVariable("ASPNETCORE_ENVIRONMENT") }, { "short", true } };
    var joPath = new JObject() { { "title", "path" }, { "value", path }, { "short", true } };
    var joTimestamp = new JObject() { { "title", "timestamp" }, { "value", System.DateTime.Now.ToString("yyyy-MM-dd HH:mm:ss") }, { "short", true } };
    var joQuery = new JObject() { { "title", "query parameter" }, { "value", query }, { "short", true } };
    var joHeader = new JObject() { { "title", "header parameter" }, { "value", header }, { "short", false } };
    var joBody = new JObject() { { "title", "body" }, { "value", body }, { "short", false } };
    var joMessage = new JObject() { { "title", "message" }, { "value", message }, { "short", false } };
    jaFields.Add(joEnv);
    jaFields.Add(joPath);
    jaFields.Add(joTimestamp);
    jaFields.Add(joQuery);
    jaFields.Add(joHeader);
    jaFields.Add(joBody);
    jaFields.Add(joMessage);
    JObject joField = new JObject() { { "fields", jaFields } };
    JArray ja = new JArray();
    ja.Add(joField);
    string strAttachments = JsonConvert.SerializeObject(ja);
    dictQuery.Add("attachments", WebUtility.UrlEncode(strAttachments));
    httpReqService service = new httpReqService().WithSlack();
    JObject joReturn = service.sendRequest("/chat.postMessage", "GET", dictQuery, null, null);
}