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Conditions

Conditions in Keep Workflow Engine define logic to evaluate whether a step or action should execute. They allow workflows to dynamically adapt based on outputs from previous steps, variables, or custom logic. Using conditions, you can introduce decision-making into workflows by asserting values, thresholds, or specific states.
Use sugar syntax: ifYou can simplify the use of conditions by adding an if: field directly to a step or action. This shorthand internally translates to a conditions block.
actions:
  - name: example-action
    if: "{{ steps.some-step.results.some_value }} > 10"
    provider:
      type: slack
      config: "{{ providers.slack }}"

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General Structure

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Explicit Conditions Block

actions:
  - name: example-action
    provider:
      type: slack
      config: "{{ providers.slack }}"
      condition:
        - name: check-threshold
          type: threshold
          value: "{{ steps.some-step.results.some_value }}"
          compare_to: 10
          compare_type: lt

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Supported Condition Types

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assert

Checks whether a specific assertion is true. 

condition:
  - name: assert-condition
    type: assert
    assert: "{{ steps.get-data.results.value }} == 'expected'"

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threshold

Compares a value to a threshold using operators like > (gt) and < (lt), defaults to > (gt). 
condition:
  - name: threshold-condition
    type: threshold
    value: "{{ steps.get-data.results.value }}"
    compare_to: 100
    compare_type: gt

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Examples

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Simple Condition with if

actions:
  - name: notify-slack
    if: "{{ steps.get-data.results.value }} > 100"
    provider:
      type: slack
      config: "{{ providers.slack }}"
      with:
        message: "The value exceeded the threshold!"

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Threshold Condition in Full Syntax


actions:
  - name: notify-slack
    provider:
      type: slack
      config: "{{ providers.slack }}"
      condition:
        - name: threshold-condition
          type: threshold
          value: "{{ steps.get-data.results.value }}"
          compare_to: 100
          compare_type: gt
      with:
        message: "The value exceeded the threshold!"

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Combining Steps and Actions with Conditions

workflow:
  id: query-and-alert
  description: "Query a database and notify only if a threshold is met"
  steps:
    - name: get-disk-usage
      provider:
        type: mysql
        config: "{{ providers.mysql-prod }}"
        with:
          query: "SELECT disk_usage FROM metrics WHERE server = 'db1'"
          single_row: true

  actions:
    - name: notify-slack
      if: "{{ steps.get-disk-usage.results.disk_usage }} > 90"
      provider:
        type: slack
        config: "{{ providers.slack }}"
      with:
        message: "Disk usage is critical: {{ steps.get-disk-usage.results.disk_usage }}%"

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Using assert for Complex Logic

actions:
  - name: create-incident
    condition:
      - name: assert-condition
        type: assert
        assert: "{{ steps.get-alert.results.severity }} == 'critical' and {{ steps.get-alert.results.source }} == 'datadog'"
    provider:
      type: servicenow
      config: "{{ providers.servicenow }}"
      with:
        table_name: INCIDENT
        payload:
          short_description: "Critical Datadog alert received"

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Foreach + Conditions

actions:
  - name: process-pods
    foreach: "{{ steps.get-pods.results }}"
    if: "{{ foreach.value.status.phase }} == 'Failed'"
    provider:
      type: slack
      with:
        message: "Pod {{ foreach.value.metadata.name }} has failed!"