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Slack StopStream

Slack StopStream

Certified

Stop a Slack stream

Finalizes a streaming message started with StartStream; no further appends are allowed after this. Optional final markdown, blocks, or metadata can be included. Requires chat: write.

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

Stop a stream with final message

yaml
id: slack_stop_stream
namespace: company.team

tasks:
  - id: start_stream
    type: io.kestra.plugin.slack.app.chats.StartStream
    token: "{{ secret('SLACK_TOKEN') }}"
    channel: "#general"
    markdownText: "Processing workflow..."

  - id: append_stream
    type: io.kestra.plugin.slack.app.chats.AppendStream
    token: "{{ secret('SLACK_TOKEN') }}"
    channel: "{{ outputs.start_stream.channel }}"
    timestamp: "{{ outputs.start_stream.timestamp }}"
    markdownText: "\\nStep completed"

  - id: stop_stream
    type: io.kestra.plugin.slack.app.chats.StopStream
    token: "{{ secret('SLACK_TOKEN') }}"
    channel: "{{ outputs.start_stream.channel }}"
    timestamp: "{{ outputs.start_stream.timestamp }}"
    markdownText: "\\n✅ All done!"

Complete stream workflow

yaml
id: slack_complete_stream
namespace: company.team

tasks:
  - id: start_stream
    type: io.kestra.plugin.slack.app.chats.StartStream
    token: "{{ secret('SLACK_TOKEN') }}"
    channel: "#general"
    markdownText: "Starting data processing"

  - id: process_data
    type: io.kestra.plugin.core.flow.Sleep
    duration: PT5S

  - id: append_result
    type: io.kestra.plugin.slack.app.chats.AppendStream
    token: "{{ secret('SLACK_TOKEN') }}"
    channel: "{{ outputs.start_stream.channel }}"
    timestamp: "{{ outputs.start_stream.timestamp }}"
    markdownText: "\\nProcessed 1000 records"

  - id: stop_stream
    type: io.kestra.plugin.slack.app.chats.StopStream
    token: "{{ secret('SLACK_TOKEN') }}"
    channel: "{{ outputs.start_stream.channel }}"
    timestamp: "{{ outputs.start_stream.timestamp }}"
    markdownText: "\\nProcessing completed at {{ now() }}"

Stop stream with blocks

yaml
id: slack_stop_stream_blocks
namespace: company.team

tasks:
  - id: start_stream
    type: io.kestra.plugin.slack.app.chats.StartStream
    token: "{{ secret('SLACK_TOKEN') }}"
    channel: "#general"
    markdownText: "Running workflow..."

  - id: stop_stream
    type: io.kestra.plugin.slack.app.chats.StopStream
    token: "{{ secret('SLACK_TOKEN') }}"
    channel: "{{ outputs.start_stream.channel }}"
    timestamp: "{{ outputs.start_stream.timestamp }}"
    markdownText: "\\nWorkflow completed"
    blocks: |
      [
        {
          "type": "section",
          "text": {
            "type": "mrkdwn",
            "text": "*Status:* :white_check_mark: Completed"
          }
        }
      ]
Properties

Stream channel

Channel ID or name where the stream was started.

Stream message timestamp

Slack ts returned by StartStream.

Slack token

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.

Definitions
assetFailureBehaviorstring
Possible Values
IGNOREFAILWARN

Asset 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.

enableAutobooleanstring

Whether to auto-register assets referenced dynamically at runtime that are not statically declared in inputs or outputs.

inputsarray

The assets consumed as inputs.

id*string
Min length1
typestring
outputs

The assets produced as outputs.

id*string
Min length1
Max length150
type*object
descriptionstring
displayNamestring
metadataobject
Default{}
namespacestring
Min length1
Max length150
id*string
Min length1
Max length150
type*object
descriptionstring
displayNamestring
metadataobject
Default{}
namespacestring
Min length1
Max length150
id*string
Min length1
Max length150
type*object
descriptionstring
displayNamestring
metadataobject
Default{}
namespacestring
Min length1
Max length150
id*string
Min length1
Max length150
type*object
descriptionstring
displayNamestring
metadataobject
Default{}
namespacestring
Min length1
Max length150
id*string
Min length1
Max length150
type*object
descriptionstring
displayNamestring
metadataobject
Default{}
namespacestring
Min length1
Max length150
id*string
Min length1
Max length150
type*string
Min length1

Custom asset type

descriptionstring
displayNamestring
metadataobject
Default{}
namespacestring
Min length1
Max length150

Final Block Kit blocks

JSON array string of blocks appended before closing.

Final markdown content

Optional markdown appended before closing the stream.

Final message metadata

JSON object string attached to the closing message.

Stream channel

May be null if not returned by the Slack API.

Stream message timestamp

May be null if not returned by the Slack API.

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