Does mattermost support Real Time Messaging API from Slack?

Hi, I was reading the documentation but I didnt find if Mattermost supports websockets to make bots like Slack does.

https://api.slack.com/rtm

In our company we want to migrate a bot from Slack to Mattermost,

Please help me telling me if the feature is not available or is not documented or I didnt fin this.

Thanks for your help