Get Slack message reactions

Retrieves emoji reactions on a Slack message, waiting up to a configurable timeout.

For prerequisites, see Slack chat actions.

Get message reactions

The action identifier is slack.chat.getReactions.

Gets a reaction of a message from a Slack channel.

The following table describes all available input fields for this action.

Input	Type	Description	Example
token	Secret	Required. The Slack bot token to use. This should be passed as a secret syntax. Refer to Add Slack configuration for instructions on setting up a token.	`${{ :secrets:slackToken }}`
channelID	String	Required. The channelID to get the message reactions from. See `reactions.get` method.	`C063JK1RHN1`
threadTs	String	Required. Timestamp belonging to the message, used to get the reaction of that message.	`<digits>.<digits>`
timeout	Int	Optional. The time in seconds to wait for any reaction. Default is 60s, maximum allowed is 600s (10 min).	`60`
selectors	List	Optional. The selectors to get only the specified parameters as output.	`[{\"name\": \"reactions\", \"expression\": \".reactions \"}]`

The following table describes all output fields returned by this action.

Output	Type	Description
reactions	List	List of elements with all the reactions captured, or an empty list if the timeout occurred.
success	Boolean	`true` on success, `false` on failure.
errorMessage	String	Failure reason as message. Example: `Invalid slack token`.

Example: Get Slack message reactions

Workflow example
`name: GetReactions steps: - name: getReactions type: action action: slack.chat.getReactions version: 1 inputs: token: ${{ :secrets:dn_staging_slack_token }} channelID: ${{ .steps.promptUser.outputs.channelID }} threadTs: ${{ .steps.promptUser.outputs.threadTs }} timeout: ${{ .workflowInputs.timeout }} selectors: ${{ .workflowInputs.selectors }}` Inputs: `{ "inputs": [ { "key": "channelID", "value": "C063JK1RHN1" }, { "key": "threadTs", "value": "1718897637.400609" }, { "key": "selectors", "value": "[{\"name\": \"reactions\", \"expression\": \".reactions \"}]" } ] }` Outputs: `[ { "name": "grinning", "users": ["W222222"], "count": 1 }, { "name": "question", "users": ["W333333"], "count": 1 } ]` If the timeout expires before any reactions are added, the output is an empty list: `[]`

Workflow example

name: GetReactions

steps:
  - name: getReactions
    type: action
    action: slack.chat.getReactions
    version: 1
    inputs:
      token: ${{ :secrets:dn_staging_slack_token }}
      channelID: ${{ .steps.promptUser.outputs.channelID }}
      threadTs: ${{ .steps.promptUser.outputs.threadTs }}
      timeout: ${{ .workflowInputs.timeout }}
      selectors: ${{ .workflowInputs.selectors }}

Inputs:

{
  "inputs": [
    {
      "key": "channelID",
      "value": "C063JK1RHN1"
    },
    {
      "key": "threadTs",
      "value": "1718897637.400609"
    },
    {
      "key": "selectors",
      "value": "[{\"name\": \"reactions\", \"expression\": \".reactions \"}]"
    }
  ]
}

Outputs:

[
  {
    "name": "grinning",
    "users": ["W222222"],
    "count": 1
  },
  {
    "name": "question",
    "users": ["W333333"],
    "count": 1
  }
]

If the timeout expires before any reactions are added, the output is an empty list: []

Get message reactions.css-21sua1{background:none;border:none;width:0;padding:0;}

Get message reactions