Slack: Button Click / Interaction

Trigger Communications

Triggers when a user clicks a button or interacts with a Block Kit element in a Slack message. Useful for building approval workflows, interactive forms, and action-based automations.

At a Glance

Field	Value
Trigger ID	slack-new-interaction-event
Category	Communications
Tags	slack, communication, interaction, button, approval, block-kit

Trigger Configuration

Field	Type	Required	Description
conversations	array	No	Only listen for interactions in these channels. Leave empty for all channels.
action_ids	array	No	Only listen for these specific action IDs (button identifiers). Leave empty for all actions.

Trigger Result

Field	Type	Required	Description
triggeredAt	string	Yes	Timestamp when the event was received (UTC, RFC3339 format)
action_id	string	No	The action_id of the clicked button or interactive element
value	string	No	The value attached to the button (can be JSON-encoded data)
user	string	No	User ID who performed the interaction
channel	string	No	Channel ID where the interaction occurred
message_ts	string	No	Timestamp of the message that was interacted with
response_url	string	No	URL to send follow-up messages or update the original message

Workflow Root Example

json
{  "nodes": {    "root": {      "type": "slack-new-interaction-event",      "payload": {        "conversations": [],        "action_ids": []      },      "children": [        "log_event"      ]    },    "log_event": {      "type": "log",      "payload": {        "message": "Triggered at {{$trigger.triggeredAt}}"      },      "children": []    }  }}

Downstream nodes can use {{$trigger.triggeredAt}} and any result fields listed above. Event triggers usually expose the raw source payload under a field such as event, body, trade, or raw.