Create Group Chat#
When initiating a group chat, you need to add at least two additional people, including yourself, for a total of three people to create a group chat.
Choose the type of group chat based on your situation, I choose internal group.
Create Custom Robot#
Click on the gear icon in the upper right corner of the group chat to enter the group settings:
Open the robot menu, then click on "Add Robot":
Click on "Custom" robot, then click on "Add", and fill in the information as required. At least one option under Security needs to be selected. I selected Custom Keywords, then click on "Finish":
Sign#
Reference: https://open.dingtalk.com/document/robots/customize-robot-security-settings
Send Message#
Reference: https://open.dingtalk.com/document/orgapp/custom-bot-to-send-group-chat-messages