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 *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).
assets
Assets this task consumes as inputs or produces as outputs, for lineage tracking and the asset graph (Enterprise Edition). A flow declaring this property on a task is rejected in the open-source edition.
io.kestra.core.models.assets.AssetsDeclaration
IGNOREFAILWARNAsset failure behavior
Behavior applied to the task state when a declared asset fails to render, emit, or be persisted (e.g. a lock conflict): FAIL escalates it to FAILED, WARN (default) warns it if it would otherwise succeed, IGNORE leaves the state untouched.
Whether to auto-register assets referenced dynamically at runtime that are not statically declared in inputs or outputs.
The assets consumed as inputs.
io.kestra.core.models.assets.AssetIdentifier
1The assets produced as outputs.
io.kestra.plugin.ee.assets.Dataset
1150{}1150io.kestra.plugin.ee.assets.File
1150{}1150io.kestra.plugin.ee.assets.Table
1150{}1150io.kestra.plugin.ee.assets.VM
1150{}1150io.kestra.core.models.assets.External
1150{}1150io.kestra.core.models.assets.Custom
11501Custom asset type
{}1150channel 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
