Slack PostEphemeral

Slack PostEphemeral
Certified
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.

yaml
type: io.kestra.plugin.slack.app.chats.PostEphemeral

Examples

Send an ephemeral message to a user

yaml
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

yaml
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 *string

Slack token

user *string

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

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 *string

Timestamp of ephemeral message

Stripe

Tasks that interact with Stripe customers, payments, balances, and webhooks.

Business

Klaviyo

Tasks that interact with Klaviyo campaign APIs.

AIBusiness

Slack PostEphemeralCertifiedSend an ephemeral Slack message

Slack PostEphemeral

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Slack PostEphemeral
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