Flow | Kestra

Flow

Trigger a Flow based on other Flows’ executions.

yaml
type: io.kestra.plugin.core.trigger.Flow

Examples

yaml
id: transform
namespace: company.team

inputs:
  - id: date
    type: STRING
    defaults: "2025-01-01"

variables:
  result: |
    Ingestion done in {{ trigger.executionId }}.
    Now transforming data up to {{ inputs.date }}

tasks:
  - id: run_transform
    type: io.kestra.plugin.core.debug.Return
    format: "{{ render(vars.result) }}"

  - id: log
    type: io.kestra.plugin.core.log.Log
    message: "{{ render(vars.result) }}"

triggers:
  - id: run_after_extract
    type: io.kestra.plugin.core.trigger.Flow
    inputs:
      date: "{{ trigger.outputs.date }}"
    preconditions:
      id: flows
      flows:
        - namespace: company.team
          flowId: extract
          states: [SUCCESS]

yaml
id: silver_layer
namespace: company.team

tasks:
  - id: transform_data
    type: io.kestra.plugin.core.log.Log
    message: deduplication, cleaning, and minor aggregations

triggers:
  - id: flow_trigger
    type: io.kestra.plugin.core.trigger.Flow
    preconditions:
      id: bronze_layer
      timeWindow:
        type: DAILY_TIME_DEADLINE
        deadline: "09:00:00"
      flows:
        - namespace: company.team
          flowId: bronze_layer
          states: [SUCCESS]

yaml
id: alert
namespace: system

tasks:
  - id: send_alert
    type: io.kestra.plugin.notifications.slack.SlackExecution
    url: "{{secret('SLACK_WEBHOOK')}}" # format: https://hooks.slack.com/services/xzy/xyz/xyz
    channel: "#general"
    executionId: "{{trigger.executionId}}"

triggers:
  - id: alert_on_failure
    type: io.kestra.plugin.core.trigger.Flow
    states:
      - FAILED
      - WARNING
    preconditions:
      id: company_namespace
      where:
        - id: company
          filters:
            - field: NAMESPACE
              type: STARTS_WITH
              value: company

yaml
id: sentry_execution_example
namespace: company.team

tasks:
- id: send_alert
  type: io.kestra.plugin.notifications.sentry.SentryExecution
  executionId: "{{ trigger.executionId }}"
  transaction: "/execution/id/{{ trigger.executionId }}"
  dsn: "{{ secret('SENTRY_DSN') }}"
  level: ERROR

triggers:
- id: failed_prod_workflows
  type: io.kestra.plugin.core.trigger.Flow
  conditions:
  - type: io.kestra.plugin.core.condition.ExecutionStatus
    in:
      - FAILED
      - WARNING
  - type: io.kestra.plugin.core.condition.ExecutionNamespace
    namespace: company.payroll
    prefix: false

yaml
id: flow_a
namespace: company.team
labels:
  type: orchestration
tasks:
  - id: hello
    type: io.kestra.plugin.core.log.Log
    message: Hello World!
---
id: flow_b
namespace: company.team

tasks:
  - id: hello
    type: io.kestra.plugin.core.log.Log
    message: Hello World!

triggers:
  - id: on_completion
    type: io.kestra.plugin.core.trigger.Flow
    states: [SUCCESS]
    labels:
      type: orchestration
    preconditions:
      id: flow_a
        id: flow_a
        where:
          - id: label_filter
            filters:
              - field: EXPRESSION
                type: IS_TRUE
                value: "{{ labels.type == 'orchestration' }}

Properties

allowConcurrent boolean

Defaultfalse

conditions

Definitions

Allow events only between two datetimes.

Example

yaml
id: schedule_condition_datetimebetween
namespace: company.team

tasks:
  - id: log_message
    type: io.kestra.plugin.core.log.Log
    message: "This flow will execute once every 5 minutes after the date 2025-12-31T23:59:59Z"

triggers:
  - id: schedule
    type: io.kestra.plugin.core.trigger.Schedule
    cron: "*/5 * * * *"
    conditions:
      - type: io.kestra.plugin.core.condition.DateTimeBetween
        date: "{{ trigger.date }}"
        after: "2025-12-31T23:59:59Z"

yaml
id: schedule_condition_datetimebetween
namespace: company.team

tasks:
  - id: log_message
    type: io.kestra.plugin.core.log.Log
    message: "This flow will be executed once every 5 minutes between the before and after dates"

triggers:
  - id: schedule
    type: io.kestra.plugin.core.trigger.Schedule
    cron: "*/5 * * * *"
    conditions:
      - type: io.kestra.plugin.core.condition.DateTimeBetween
        date: "{{ trigger.date }}"
        after: "2025-01-01T00:00:00Z"
        before: "2025-12-31T23:59:59Z"

type*object

Possible Values

io.kestra.plugin.core.condition.DateTimeBetweenio.kestra.core.models.conditions.types.DateTimeBetweenConditionio.kestra.plugin.core.condition.DateTimeBetweenCondition

afterstring

beforestring

datestring

Default{{ trigger.date }}

Allow events on a specific weekday.

Example

yaml
id: schedule_condition_dayweek
namespace: company.team

tasks:
  - id: log_message
    type: io.kestra.plugin.core.log.Log
    message: "This flow will execute only on Mondays at 11:00 am."

triggers:
  - id: schedule
    type: io.kestra.plugin.core.trigger.Schedule
    cron: "0 11 * * *"
    conditions:
      - type: io.kestra.plugin.core.condition.DayWeek
        dayOfWeek: "MONDAY"

dayOfWeek*string

Possible Values

MONDAYTUESDAYWEDNESDAYTHURSDAYFRIDAYSATURDAYSUNDAY

type*object

Possible Values

io.kestra.plugin.core.condition.DayWeekio.kestra.core.models.conditions.types.DayWeekConditionio.kestra.plugin.core.condition.DayWeekCondition

datestring

Default{{ trigger.date }}

Allow events on an nth weekday within the month.

Example

yaml
id: schedule_condition_dayweekinmonth
namespace: company.team

tasks:
  - id: log_message
    type: io.kestra.plugin.core.log.Log
    message: "This flow will execute only on the first Monday of the month at 11:00 am."

triggers:
  - id: schedule
    type: io.kestra.plugin.core.trigger.Schedule
    cron: "0 11 * * *"
    conditions:
      - type: io.kestra.plugin.core.condition.DayWeekInMonth
        dayOfWeek: "MONDAY"
        dayInMonth: FIRST

dayInMonth*string

Possible Values

FIRSTLASTSECONDTHIRDFOURTH

dayOfWeek*string

Possible Values

MONDAYTUESDAYWEDNESDAYTHURSDAYFRIDAYSATURDAYSUNDAY

type*object

Possible Values

io.kestra.plugin.core.condition.DayWeekInMonthio.kestra.plugin.core.condition.DayWeekInMonthConditionio.kestra.core.models.conditions.types.DayWeekInMonthCondition

datestring

Default{{ trigger.date }}

Match events from a specific flow.

Example

yaml
id: flow_condition_executionflow
namespace: company.team

tasks:
  - id: hello
    type: io.kestra.plugin.core.log.Log
    message: "This flow will execute when flow `flow_a` of namespace `company.team` enters RUNNING state."

triggers:
  - id: flow_trigger
    type: io.kestra.plugin.core.trigger.Flow
    conditions:
      - type: io.kestra.plugin.core.condition.ExecutionFlow
        flowId: flow_a
        namespace: company.team
    states:
      - RUNNING

flowId*string

namespace*string

type*object

Possible Values

io.kestra.plugin.core.condition.ExecutionFlowio.kestra.plugin.core.condition.ExecutionFlowConditionio.kestra.core.models.conditions.types.ExecutionFlowCondition

Match executions by label set.

Example

yaml
id: flow_condition_executionlabels
namespace: company.team

tasks:
  - id: hello
    type: io.kestra.plugin.core.log.Log
    message: "This flow will execute when flow with specified labels enters FAILED state."

triggers:
  - id: flow_trigger
    type: io.kestra.plugin.core.trigger.Flow
    conditions:
      - type: io.kestra.plugin.core.condition.ExecutionLabels
        labels:
          owner: john.doe
          env: prod
    states:
      - FAILED

labels*arrayobject

type*object

Possible Values

io.kestra.plugin.core.condition.ExecutionLabelsio.kestra.core.models.conditions.types.ExecutionLabelsConditionio.kestra.plugin.core.condition.ExecutionLabelsCondition

Match executions by namespace.

Example

yaml
id: flow_condition_executionnamespace
namespace: company.team

tasks:
  - id: hello
    type: io.kestra.plugin.core.log.Log
    message: "This flow will execute when any flow within `company.engineering` namespace enters RUNNING state."

triggers:
  - id: flow_trigger
    type: io.kestra.plugin.core.trigger.Flow
    conditions:
      - type: io.kestra.plugin.core.condition.ExecutionNamespace
        namespace: company.engineering
        comparison: PREFIX
    states:
      - RUNNING

namespace*string

type*object

Possible Values

io.kestra.plugin.core.condition.ExecutionNamespaceio.kestra.core.models.conditions.types.ExecutionNamespaceConditionio.kestra.plugin.core.condition.ExecutionNamespaceCondition

comparisonstring

Possible Values

EQUALSPREFIXSUFFIX

prefixbooleanstring

Defaultfalse

Condition based on the outputs of an upstream execution.

Example

yaml
id: flow_condition_executionoutputs
namespace: company.team

tasks:
  - id: upstream_outputs
    type: io.kestra.plugin.core.log.Log
    message: hello from a downstream flow

triggers:
  - id: condition_on_flow_execution_outputs
    type: io.kestra.plugin.core.trigger.Flow
    states:
      - SUCCESS
    conditions:
      - type: io.kestra.plugin.core.condition.ExecutionOutputs
        expression: "{{ trigger.outputs.flow_a_output == 'hello' }}"

expression*booleanstring

type*object

Possible Values

io.kestra.plugin.core.condition.ExecutionOutputsio.kestra.core.models.conditions.types.ExecutionOutputsConditionio.kestra.plugin.core.condition.ExecutionOutputsCondition

Match executions by status.

Example

yaml
id: flow_condition_executionstatus
namespace: company.team

tasks:
  - id: hello
    type: io.kestra.plugin.core.log.Log
    message: "This flow will execute when any flow enters FAILED or KILLED state."

triggers:
  - id: flow_trigger
    type: io.kestra.plugin.core.trigger.Flow
    conditions:
      - type: io.kestra.plugin.core.condition.ExecutionStatus
        in:
          - FAILED
          - KILLED

type*object

Possible Values

io.kestra.plugin.core.condition.ExecutionStatusio.kestra.core.models.conditions.types.ExecutionStatusConditionio.kestra.plugin.core.condition.ExecutionStatusCondition

inarray

SubTypestring

Possible Values

CREATEDSUBMITTEDRUNNINGPAUSEDRESTARTEDKILLINGSUCCESSWARNINGFAILEDKILLEDCANCELLEDQUEUEDRETRYINGRETRIEDSKIPPEDBREAKPOINTRESUBMITTED

notInarray

SubTypestring

Possible Values

CREATEDSUBMITTEDRUNNINGPAUSEDRESTARTEDKILLINGSUCCESSWARNINGFAILEDKILLEDCANCELLEDQUEUEDRETRYINGRETRIEDSKIPPEDBREAKPOINTRESUBMITTED

Condition based on variable expression.

Example

yaml
id: myflow
namespace: company.team

tasks:
  - id: hello
    type: io.kestra.plugin.core.log.Log
    message: Average value has gone below 10

triggers:
  - id: expression_trigger
    type: io.kestra.plugin.core.trigger.Schedule
    cron: "*/1 * * * *"
    conditions:
      - type: io.kestra.plugin.core.condition.Expression
        expression: "{{ kv('average_value') < 10 }}"

expression*string

type*object

Possible Values

io.kestra.plugin.core.condition.Expressionio.kestra.plugin.core.condition.ExpressionConditionio.kestra.core.models.conditions.types.VariableCondition

Match executions where a task was retried.

Example

yaml
id: flow_condition_hasretryattempt
namespace: company.team

tasks:
  - id: log_message
    type: io.kestra.plugin.core.log.Log
    message: "This flow will execute when any flow task on retry enters a specific state(s)."

triggers:
  - id: flow_condition
    type: io.kestra.plugin.core.trigger.Flow
    conditions:
      - type: io.kestra.plugin.core.condition.HasRetryAttempt
        in:
          - FAILED

type*object

Possible Values

io.kestra.plugin.core.condition.HasRetryAttemptio.kestra.plugin.core.condition.HasRetryAttemptConditionio.kestra.core.models.conditions.types.HasRetryAttemptCondition

inarray

SubTypestring

Possible Values

CREATEDSUBMITTEDRUNNINGPAUSEDRESTARTEDKILLINGSUCCESSWARNINGFAILEDKILLEDCANCELLEDQUEUEDRETRYINGRETRIEDSKIPPEDBREAKPOINTRESUBMITTED

notInarray

SubTypestring

Possible Values

CREATEDSUBMITTEDRUNNINGPAUSEDRESTARTEDKILLINGSUCCESSWARNINGFAILEDKILLEDCANCELLEDQUEUEDRETRYINGRETRIEDSKIPPEDBREAKPOINTRESUBMITTED

Invert one or more conditions.

Example

yaml
id: schedule_condition_not
namespace: company.team

tasks:
  - id: log_message
    type: io.kestra.plugin.core.log.Log
    message: "This flow will execute on all days except Sunday at 11am."

triggers:
  - id: schedule
    type: io.kestra.plugin.core.trigger.Schedule
    cron: "0 11 * * *"
    conditions:
      - type: io.kestra.plugin.core.condition.Not
        conditions:
          - type: io.kestra.plugin.core.condition.DayWeek
            dayOfWeek: "SUNDAY"

conditions*

Min items1

type*object

Possible Values

io.kestra.plugin.core.condition.Notio.kestra.core.models.conditions.types.NotConditionio.kestra.plugin.core.condition.NotCondition

Pass when any condition is true.

Example

yaml
id: schedule_condition_or
namespace: company.team

tasks:
  - id: log_message
    type: io.kestra.plugin.core.log.Log
    message: "This flow will execute on Sundays and Mondays at 11am."

triggers:
  - id: schedule
    type: io.kestra.plugin.core.trigger.Schedule
    cron: "0 11 * * *"
    conditions:
      - type: io.kestra.plugin.core.condition.Or
        conditions:
          - type: io.kestra.plugin.core.condition.DayWeek
            dayOfWeek: "MONDAY"
          - type: io.kestra.plugin.core.condition.DayWeek
            dayOfWeek: "SUNDAY"

conditions*

Min items1

type*object

Possible Values

io.kestra.plugin.core.condition.Orio.kestra.core.models.conditions.types.OrConditionio.kestra.plugin.core.condition.OrCondition

Allow events on public holidays.

Example

yaml
id: schedule_condition_public-holiday
namespace: company.team

tasks:
  - id: log_message
    type: io.kestra.plugin.core.log.Log
    message: "This flow will execute only on the public holidays of France at 11:00 am."

triggers:
  - id: schedule
    type: io.kestra.plugin.core.trigger.Schedule
    cron: "0 11 * * *"
    conditions:
      - type: io.kestra.plugin.core.condition.PublicHoliday
        country: FR

yaml
id: schedule-condition-work-days
namespace: company.team

tasks:
  - id: log_message
    type: io.kestra.plugin.core.log.Log
    message: "This flow will execute only on the work days of France at 11:00 am."

triggers:
  - id: schedule
    type: io.kestra.plugin.core.trigger.Schedule
    cron: "0 11 * * *"
    conditions:
      - type: io.kestra.plugin.core.condition.Not
        conditions:
          - type: io.kestra.plugin.core.condition.PublicHoliday
            country: FR
          - type: io.kestra.plugin.core.condition.Weekend

type*object

Possible Values

io.kestra.plugin.core.condition.PublicHolidayio.kestra.plugin.core.condition.PublicHolidayConditionio.kestra.core.models.conditions.types.PublicHolidayCondition

countrystring

datestring

Default{{ trigger.date}}

subDivisionstring

Allow events between two times of day.

Example

yaml
id: schedule_condition_timebetween
namespace: company.team

tasks:
  - id: log_message
    type: io.kestra.plugin.core.log.Log
    message: "This flow will execute every 5 minutes between 4pm and 8pm."

triggers:
  - id: schedule
    type: io.kestra.plugin.core.trigger.Schedule
    cron: "*/5 * * * *"
    conditions:
      - type: io.kestra.plugin.core.condition.TimeBetween
        after: "16:00:00+02:00"
        before: "20:00:00+02:00"

type*object

Possible Values

io.kestra.plugin.core.condition.TimeBetweenio.kestra.plugin.core.condition.TimeBetweenConditionio.kestra.core.models.conditions.types.TimeBetweenCondition

afterstring

beforestring

datestring

Default{{ trigger.date }}

Allow events on weekends.

Example

yaml
id: schedule_condition_weekend
namespace: company.team

tasks:
  - id: log_message
    type: io.kestra.plugin.core.log.Log
    message: "This flow will execute only on weekends at 11:00 am."

triggers:
  - id: schedule
    type: io.kestra.plugin.core.trigger.Schedule
    cron: "0 11 * * *"
    conditions:
      - type: io.kestra.plugin.core.condition.Weekend

type*object

Possible Values

io.kestra.plugin.core.condition.Weekendio.kestra.plugin.core.condition.WeekendConditionio.kestra.core.models.conditions.types.WeekendCondition

datestring

Default{{ trigger.date }}

inputs object

preconditions

Definitions

io.kestra.plugin.core.trigger.Flow-Preconditions

id*string

Validation RegExp^[a-zA-Z0-9][a-zA-Z0-9_-]*

Min length1

flowsarray

io.kestra.plugin.core.trigger.Flow-UpstreamFlow

namespace*string

flowIdstring

labelsobject

statesarray

SubTypestring

Possible Values

CREATEDSUBMITTEDRUNNINGPAUSEDRESTARTEDKILLINGSUCCESSWARNINGFAILEDKILLEDCANCELLEDQUEUEDRETRYINGRETRIEDSKIPPEDBREAKPOINTRESUBMITTED

resetOnSuccessboolean

Defaulttrue

timeWindow

Default

{
  "type": "DURATION_WINDOW"
}

io.kestra.core.models.triggers.TimeWindow

deadlinestring

Formatpartial-time

endTimestring

Formatpartial-time

startTimestring

Formatpartial-time

typestring

DefaultDURATION_WINDOW

Possible Values

DAILY_TIME_DEADLINEDAILY_TIME_WINDOWDURATION_WINDOWSLIDING_WINDOW

windowstring

Formatduration

windowAdvancestring

Formatduration

wherearray

io.kestra.plugin.core.trigger.Flow-ExecutionFilter

filters*array

Min items1

io.kestra.plugin.core.trigger.Flow-Filter

field*string

Possible Values

FLOW_IDNAMESPACESTATEEXPRESSION

type*string

Possible Values

EQUAL_TONOT_EQUAL_TOINNOT_INIS_TRUEIS_FALSEIS_NULLIS_NOT_NULLSTARTS_WITHENDS_WITHREGEXCONTAINS

valuestring

valuesarray

SubTypestring

id*string

Min length1

operandstring

DefaultAND

Possible Values

ANDOR

states array

SubTypestring

Default

[
  "SUCCESS",
  "WARNING",
  "FAILED",
  "KILLED",
  "CANCELLED",
  "RETRIED",
  "SKIPPED",
  "RESUBMITTED",
  "PAUSED"
]

Possible Values

CREATEDSUBMITTEDRUNNINGPAUSEDRESTARTEDKILLINGSUCCESSWARNINGFAILEDKILLEDCANCELLEDQUEUEDRETRYINGRETRIEDSKIPPEDBREAKPOINTRESUBMITTED

stopAfter array

SubTypestring

Possible Values

CREATEDSUBMITTEDRUNNINGPAUSEDRESTARTEDKILLINGSUCCESSWARNINGFAILEDKILLEDCANCELLEDQUEUEDRETRYINGRETRIEDSKIPPEDBREAKPOINTRESUBMITTED

Outputs

executionId *string

executionLabels *object

flowId *string

flowRevision *integer

namespace *string

state *string

Possible Values

CREATEDSUBMITTEDRUNNINGPAUSEDRESTARTEDKILLINGSUCCESSWARNINGFAILEDKILLEDCANCELLEDQUEUEDRETRYINGRETRIEDSKIPPEDBREAKPOINTRESUBMITTED

outputs object

Execute Bun scripts as part of Kestra data workflows.

Flow

Trigger a Flow based on other Flows’ executions.

Create automations with Core Trigger Flow

Automatically Create a GitHub Issue When a Workflow or Job Fails

Create HubSpot Tickets Automatically for Incident Management

Create Jira Issues Automatically for Incident Management

More Plugins in this Category

1.3.5

Flow Trigger a Flow based on other Flows’ executions.

Create automations with Core Trigger Flow

Automatically Create a GitHub Issue When a Workflow or Job Fails

Create HubSpot Tickets Automatically for Incident Management

Create Jira Issues Automatically for Incident Management

More Plugins in this Category

1.3.5

Flow

Trigger a Flow based on other Flows’ executions.