
Slack PostEphemeral
CertifiedSend an ephemeral Slack message
Slack PostEphemeral
Send an ephemeral Slack message
Sends a message visible only to a specific user in the target channel. Ephemeral content disappears when the user leaves the channel view. Requires chat: write.
type: io.kestra.plugin.slack.app.chats.PostEphemeralExamples
Send an ephemeral message to a user
id: slack_ephemeral_message
namespace: company.team
tasks:
- id: post_ephemeral
type: io.kestra.plugin.slack.app.chats.PostEphemeral
token: "{{ secret('SLACK_TOKEN') }}"
channel: "#general"
user: "U1234567890"
messageText: "This message is only visible to you"
Send an ephemeral notification
id: slack_ephemeral_notification
namespace: company.team
tasks:
- id: notify_user
type: io.kestra.plugin.slack.app.chats.PostEphemeral
token: "{{ secret('SLACK_TOKEN') }}"
channel: "#general"
user: "U1234567890"
payload: |
{
"text": "Task completed",
"blocks": [
{
"type": "section",
"text": {
"type": "mrkdwn",
"text": ":white_check_mark: Your task has been completed successfully"
}
}
]
}
Properties
token *Requiredstring
Slack token
user *Requiredstring
Recipient user ID
User who sees the ephemeral message; must be a member of the channel (IDs usually start with U).
channel string
Channel to send message
Channel ID or name; can also be set inside the payload.
iconEmoji string
Message icon emoji
Emoji code (e.g., : wave: ) that overrides iconUrl.
iconUrl string
Message icon URL
HTTPS image used as icon when iconEmoji is not provided.
messageText string
Message Text or JSON String
The message content as a raw string. It can be plain text with markdown, or a JSON object. If not a valid JSON object, it is automatically wrapped in {"text": "..."}. This property is ignored if the payload property is set.
payload string
Slack message payload
pluginDefaultsRef Non-dynamicstring
Reference (ref) of the pluginDefaults to apply to this task.
timestamp string
Thread timestamp to reply to
Slack ts value for replying in a thread; must belong to the same channel.
username string
Display username
Overrides the bot's default display name for this message.
Outputs
timestamp *Requiredstring
Timestamp of ephemeral message