diff --git a/bridge/config/config.go b/bridge/config/config.go
index 75792ed0..c1e617d4 100644
--- a/bridge/config/config.go
+++ b/bridge/config/config.go
@@ -145,6 +145,7 @@ type Protocol struct {
 	RejoinDelay            int        // IRC
 	ReplaceMessages        [][]string // all protocols
 	ReplaceNicks           [][]string // all protocols
+	ReplyBroadcast         bool       // slack
 	RemoteNickFormat       string     // all protocols
 	RunCommands            []string   // IRC
 	Server                 string     // IRC,mattermost,XMPP,discord,matrix
diff --git a/bridge/slack/slack.go b/bridge/slack/slack.go
index c39c6082..ccd0afb4 100644
--- a/bridge/slack/slack.go
+++ b/bridge/slack/slack.go
@@ -499,6 +499,7 @@ func (b *Bslack) prepareMessageOptions(msg *config.Message) []slack.MsgOption {
 	params.LinkNames = 1 // replace mentions
 	params.IconURL = config.GetIconURL(msg, b.GetString(iconURLConfig))
 	params.ThreadTimestamp = msg.ParentID
+	params.ReplyBroadcast = b.GetBool("ReplyBroadcast")
 	if msg.Avatar != "" {
 		params.IconURL = msg.Avatar
 	}
diff --git a/matterbridge.toml.sample b/matterbridge.toml.sample
index 0665a599..bc188283 100644
--- a/matterbridge.toml.sample
+++ b/matterbridge.toml.sample
@@ -1297,6 +1297,11 @@ ReplaceMessages=[ ["cat","dog"] ]
 #optional (default empty)
 ReplaceNicks=[ ["user--","user"] ]
 
+# ReplyBroadcast indicates whether reply should be made visible to everyone in the channel or conversation.
+ู# Function [] Also sent to #channel 
+#optional (default false)
+ReplyBroadcast=false
+
 #Extractnicks is used to for example rewrite messages from other relaybots
 #See https://github.com/42wim/matterbridge/issues/713 and https://github.com/42wim/matterbridge/issues/466
 #some examples: