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openapi: 3.2.0
info:
title: Process Street Public Workflow Logic Rules API
version: '1.1'
description: The Process Street API is organized around REST.
servers:
- url: https://public-api.process.st/api/v1.1
tags:
- name: Workflow Logic Rules
description: 'Workflow logic rules are conditional rules that control the visibility of tasks
and form fields within a workflow revision. Use these endpoints to create, view,
and manage logic rules.'
externalDocs:
url: https://www.process.st/help/docs/conditional-logic/
description: Process Street help article
paths:
/workflows/{workflowId}/revisions/{revisionId}/logic-rules:
get:
tags:
- Workflow Logic Rules
summary: List all conditional logic rules
description: Returns a paginated list of conditional logic rules for a workflow revision, sorted by order tree.
operationId: listWorkflowRevisionLogicRules
parameters:
- name: workflowId
in: path
description: The ID of the Workflow
required: true
schema:
type: string
- name: revisionId
in: path
description: The ID of the Revision
required: true
schema:
type: string
- name: _
in: query
description: 'Opaque pagination cursor. Take this value from the previous response''s `links[]` entry whose `name`
is `"next"` (typically just follow that link''s `href` instead of reading this value).
Omit on the first page. If the previous response had no `next` link, there are no more pages.'
required: false
schema:
type: string
responses:
'200':
description: ''
content:
application/json:
schema:
$ref: '#/components/schemas/PublicApiLogicRuleListResponse'
default:
description: ''
content:
application/json:
schema:
$ref: '#/components/schemas/ErrorInfo'
security:
- apiKeyAuth: []
- httpAuth: []
post:
tags:
- Workflow Logic Rules
summary: Create a conditional logic rule
description: Creates a conditional logic rule on a draft workflow revision.
operationId: createWorkflowRevisionLogicRule
parameters:
- name: workflowId
in: path
description: The ID of the Workflow
required: true
schema:
type: string
- name: revisionId
in: path
description: The ID of the Revision
required: true
schema:
type: string
requestBody:
content:
application/json:
schema:
$ref: '#/components/schemas/CreateWorkflowLogicRuleRequest'
examples:
Simple condition:
summary: Show a task when a form field value is Active
value:
condition:
or:
- and:
- widgetId: lJV3-hTDnBHrNjxm51dD4A
operator: Is
value: Active
action: Show
targets:
taskIds:
- mCUPuFwPK_1sHFjYZfhAJQ
widgetIds: []
description: Show task when Status is Active
required: true
responses:
'201':
description: ''
content:
application/json:
schema:
$ref: '#/components/schemas/PublicApiLogicRuleResponse'
'400':
description: 'Invalid value for: body'
content:
text/plain:
schema:
type: string
default:
description: ''
content:
application/json:
schema:
$ref: '#/components/schemas/ErrorInfo'
security:
- apiKeyAuth: []
- httpAuth: []
/workflows/{workflowId}/revisions/{revisionId}/logic-rules/{ruleId}:
get:
tags:
- Workflow Logic Rules
summary: Get a conditional logic rule
description: Returns a conditional logic rule by its ID.
operationId: getWorkflowRevisionLogicRule
parameters:
- name: workflowId
in: path
description: The ID of the Workflow
required: true
schema:
type: string
- name: revisionId
in: path
description: The ID of the Revision
required: true
schema:
type: string
- name: ruleId
in: path
description: The ID of the Logic Rule
required: true
schema:
type: string
responses:
'200':
description: ''
content:
application/json:
schema:
$ref: '#/components/schemas/PublicApiLogicRuleResponse'
default:
description: ''
content:
application/json:
schema:
$ref: '#/components/schemas/ErrorInfo'
security:
- apiKeyAuth: []
- httpAuth: []
put:
tags:
- Workflow Logic Rules
summary: Update a conditional logic rule
description: 'Updates a conditional logic rule on a draft workflow revision. PUT semantics: all fields must be provided. Returns the updated rule.'
operationId: updateWorkflowRevisionLogicRule
parameters:
- name: workflowId
in: path
description: The ID of the Workflow
required: true
schema:
type: string
- name: revisionId
in: path
description: The ID of the Revision
required: true
schema:
type: string
- name: ruleId
in: path
description: The ID of the Logic Rule
required: true
schema:
type: string
requestBody:
content:
application/json:
schema:
$ref: '#/components/schemas/UpdateWorkflowLogicRuleRequest'
required: true
responses:
'200':
description: ''
content:
application/json:
schema:
$ref: '#/components/schemas/PublicApiLogicRuleResponse'
'400':
description: 'Invalid value for: body'
content:
text/plain:
schema:
type: string
default:
description: ''
content:
application/json:
schema:
$ref: '#/components/schemas/ErrorInfo'
security:
- apiKeyAuth: []
- httpAuth: []
delete:
tags:
- Workflow Logic Rules
summary: Delete a conditional logic rule
description: Deletes a conditional logic rule from a draft workflow revision.
operationId: deleteWorkflowRevisionLogicRule
parameters:
- name: workflowId
in: path
description: The ID of the Workflow
required: true
schema:
type: string
- name: revisionId
in: path
description: The ID of the Revision
required: true
schema:
type: string
- name: ruleId
in: path
description: The ID of the Logic Rule
required: true
schema:
type: string
responses:
'204':
description: ''
default:
description: ''
content:
application/json:
schema:
$ref: '#/components/schemas/ErrorInfo'
security:
- apiKeyAuth: []
- httpAuth: []
components:
schemas:
PublicApiLogicRuleResponse:
title: PublicApiLogicRuleResponse
type: object
required:
- data
properties:
data:
title: PublicApiLogicRule
type: object
required:
- id
- condition
- action
- targets
properties:
id:
title: EntityID
description: The resource's ID.
type: string
condition:
title: OrCondition
type: object
properties:
or:
description: List of AND-groups; the OR-condition matches if any group matches.
type: array
items:
title: AndGroup
type: object
properties:
and:
description: List of conditions that must all match (AND combined within a group).
type: array
items:
title: LeafCondition
type: object
required:
- widgetId
- operator
properties:
widgetId:
title: EntityID
description: The ID of the widget.
type: string
operator:
description: Comparison operator (e.g. `Is`, `IsNot`, `Contains`, `IsEmpty`).
type: string
value:
description: The option's stored value.
type: string
action:
title: WorkflowLogicRuleAction
description: What the rule does to its targets when conditions match. `Show` reveals tasks/widgets that are hidden by default. `Hide` conceals tasks/widgets that are visible by default.
type: string
enum:
- Show
- Hide
targets:
title: PublicApiTargets
type: object
properties:
taskIds:
description: IDs of the tasks this rule applies to.
type: array
items:
title: EntityID
type: string
widgetIds:
description: IDs of the widgets (form fields) this rule applies to.
type: array
items:
title: EntityID
type: string
description:
description: Optional human-readable description of what this rule does.
type: string
links:
description: Navigable HATEOAS links to related resources. Each entry has a `name` (RFC-5988 link relation like `self`, `edit`, `related`), an `href` URL, and a `type` (`Api` for callable endpoints, `App` for browser-facing URLs). Prefer following these `href` values over constructing URLs by hand.
type: array
items:
title: Link
description: A HATEOAS link to a related resource. Use these to navigate between resources without constructing URLs by hand.
type: object
required:
- name
- href
- type
properties:
name:
description: Standard link relation name (RFC 5988) indicating this link's role. Common values include `self`, `edit`, `related`, `previous`, `next`.
type: string
href:
title: Uri
description: URL of the linked resource.
examples:
- https://api.process.st/api/v1.1/resource/XXX
type: string
rel:
description: Optional. The kind of resource this link points to (e.g. `Workflow`, `Task`, `Comment`).
type: string
enum:
- Approval Task
- Approvals
- Assignees
- Comment
- Data Set Records
- Data Sets
- Form Field Values
- Subject Task
- Task
- Tasks
- Users
- Webhook
- Workflow
- Workflow Run
type:
description: Whether this link targets an API endpoint or a Process Street app URL. `Api` — a callable API endpoint you can fetch directly. `App` — a browser-facing URL in the Process Street UI.
type: string
enum:
- Api
- App
links:
description: 'Pagination links. When the result has more pages, look for an entry with `name: "next"` — its `href` is the URL to fetch the next page. Absence of `next` means there are no more pages. For single-resource responses this array is typically empty.'
type: array
items:
title: Link
description: A HATEOAS link to a related resource. Use these to navigate between resources without constructing URLs by hand.
type: object
required:
- name
- href
- type
properties:
name:
description: Standard link relation name (RFC 5988) indicating this link's role. Common values include `self`, `edit`, `related`, `previous`, `next`.
type: string
href:
title: Uri
description: URL of the linked resource.
examples:
- https://api.process.st/api/v1.1/resource/XXX
type: string
rel:
description: Optional. The kind of resource this link points to (e.g. `Workflow`, `Task`, `Comment`).
type: string
enum:
- Approval Task
- Approvals
- Assignees
- Comment
- Data Set Records
- Data Sets
- Form Field Values
- Subject Task
- Task
- Tasks
- Users
- Webhook
- Workflow
- Workflow Run
type:
description: Whether this link targets an API endpoint or a Process Street app URL. `Api` — a callable API endpoint you can fetch directly. `App` — a browser-facing URL in the Process Street UI.
type: string
enum:
- Api
- App
ErrorInfo:
title: ErrorInfo
type: object
required:
- error
properties:
error:
description: 'Human-readable error message. Suitable for logs or for surfacing to end users; do not parse it
programmatically — use `errorCode` for that.'
type: string
details:
description: 'Optional structured context. Shape depends on the error: for `Validation` errors the keys are field
paths; for `PaymentRequired` the keys describe the limit that was hit.'
type: object
additionalProperties:
type: string
errorCode:
title: ErrorCode
description: 'Machine-parsable classification of the error. Always set on responses generated by the global
exception handler. Branch your own error handling on this (not the message text).'
type: string
enum:
- BadRequest
- Unauthorized
- PaymentRequired
- Forbidden
- NotFound
- MethodNotAllowed
- Conflict
- PayloadTooLarge
- Validation
- RateLimited
- InternalError
requestId:
description: Per-request correlation ID. Include this when contacting support so we can find the request in our logs.
type: string
PublicApiLogicRuleListResponse:
title: PublicApiLogicRuleListResponse
type: object
properties:
data:
description: The list of resources returned by this request.
type: array
items:
title: PublicApiLogicRule
type: object
required:
- id
- condition
- action
- targets
properties:
id:
title: EntityID
description: The resource's ID.
type: string
condition:
title: OrCondition
type: object
properties:
or:
description: List of AND-groups; the OR-condition matches if any group matches.
type: array
items:
title: AndGroup
type: object
properties:
and:
description: List of conditions that must all match (AND combined within a group).
type: array
items:
title: LeafCondition
type: object
required:
- widgetId
- operator
properties:
widgetId:
title: EntityID
description: The ID of the widget.
type: string
operator:
description: Comparison operator (e.g. `Is`, `IsNot`, `Contains`, `IsEmpty`).
type: string
value:
description: The option's stored value.
type: string
action:
title: WorkflowLogicRuleAction
description: What the rule does to its targets when conditions match. `Show` reveals tasks/widgets that are hidden by default. `Hide` conceals tasks/widgets that are visible by default.
type: string
enum:
- Show
- Hide
targets:
title: PublicApiTargets
type: object
properties:
taskIds:
description: IDs of the tasks this rule applies to.
type: array
items:
title: EntityID
type: string
widgetIds:
description: IDs of the widgets (form fields) this rule applies to.
type: array
items:
title: EntityID
type: string
description:
description: Optional human-readable description of what this rule does.
type: string
links:
description: Navigable HATEOAS links to related resources. Each entry has a `name` (RFC-5988 link relation like `self`, `edit`, `related`), an `href` URL, and a `type` (`Api` for callable endpoints, `App` for browser-facing URLs). Prefer following these `href` values over constructing URLs by hand.
type: array
items:
title: Link
description: A HATEOAS link to a related resource. Use these to navigate between resources without constructing URLs by hand.
type: object
required:
- name
- href
- type
properties:
name:
description: Standard link relation name (RFC 5988) indicating this link's role. Common values include `self`, `edit`, `related`, `previous`, `next`.
type: string
href:
title: Uri
description: URL of the linked resource.
examples:
- https://api.process.st/api/v1.1/resource/XXX
type: string
rel:
description: Optional. The kind of resource this link points to (e.g. `Workflow`, `Task`, `Comment`).
type: string
enum:
- Approval Task
- Approvals
- Assignees
- Comment
- Data Set Records
- Data Sets
- Form Field Values
- Subject Task
- Task
- Tasks
- Users
- Webhook
- Workflow
- Workflow Run
type:
description: Whether this link targets an API endpoint or a Process Street app URL. `Api` — a callable API endpoint you can fetch directly. `App` — a browser-facing URL in the Process Street UI.
type: string
enum:
- Api
- App
links:
description: 'Pagination links. When the result has more pages, look for an entry with `name: "next"` — its `href` is the URL to fetch the next page. Absence of `next` means there are no more pages. For single-resource responses this array is typically empty.'
type: array
items:
title: Link
description: A HATEOAS link to a related resource. Use these to navigate between resources without constructing URLs by hand.
type: object
required:
- name
- href
- type
properties:
name:
description: Standard link relation name (RFC 5988) indicating this link's role. Common values include `self`, `edit`, `related`, `previous`, `next`.
type: string
href:
title: Uri
description: URL of the linked resource.
examples:
- https://api.process.st/api/v1.1/resource/XXX
type: string
rel:
description: Optional. The kind of resource this link points to (e.g. `Workflow`, `Task`, `Comment`).
type: string
enum:
- Approval Task
- Approvals
- Assignees
- Comment
- Data Set Records
- Data Sets
- Form Field Values
- Subject Task
- Task
- Tasks
- Users
- Webhook
- Workflow
- Workflow Run
type:
description: Whether this link targets an API endpoint or a Process Street app URL. `Api` — a callable API endpoint you can fetch directly. `App` — a browser-facing URL in the Process Street UI.
type: string
enum:
- Api
- App
UpdateWorkflowLogicRuleRequest:
title: UpdateWorkflowLogicRuleRequest
type: object
required:
- condition
- action
- targets
properties:
condition:
title: OrCondition
type: object
properties:
or:
description: List of AND-groups; the OR-condition matches if any group matches.
type: array
items:
title: AndGroup
type: object
properties:
and:
description: List of conditions that must all match (AND combined within a group).
type: array
items:
title: LeafCondition
type: object
required:
- widgetId
- operator
properties:
widgetId:
title: EntityID
description: The ID of the widget.
type: string
operator:
description: Comparison operator (e.g. `Is`, `IsNot`, `Contains`, `IsEmpty`).
type: string
value:
description: The option's stored value.
type: string
action:
title: WorkflowLogicRuleAction
description: What the rule does to its targets when conditions match. `Show` reveals tasks/widgets that are hidden by default. `Hide` conceals tasks/widgets that are visible by default.
type: string
enum:
- Show
- Hide
targets:
title: PublicApiTargets
type: object
properties:
taskIds:
description: IDs of the tasks this rule applies to.
type: array
items:
title: EntityID
type: string
widgetIds:
description: IDs of the widgets (form fields) this rule applies to.
type: array
items:
title: EntityID
type: string
position:
title: RulePosition
description: Where to place this logic rule in the workflow revision. `Top` — before all existing rules. `Bottom` — after all existing rules (default when `position` is omitted). `After` — immediately after the rule identified by `ruleId`.
oneOf:
- title: RulePositionAfter
type: object
required:
- ruleId
- type
properties:
ruleId:
title: EntityID
type: string
type:
description: Discriminator value for this variant. See the parent oneOf for the full set of values.
type: string
const: After
- title: RulePositionBottom
type: object
required:
- type
properties:
type:
description: Discriminator value for this variant. See the parent oneOf for the full set of values.
type: string
const: Bottom
- title: RulePositionTop
type: object
required:
- type
properties:
type:
description: Discriminator value for this variant. See the parent oneOf for the full set of values.
type: string
const: Top
discriminator:
propertyName: type
mapping:
After: '#/components/schemas/RulePositionAfter'
Bottom: '#/components/schemas/RulePositionBottom'
Top: '#/components/schemas/RulePositionTop'
description:
description: Optional long-form description.
type: string
maxLength: 255
CreateWorkflowLogicRuleRequest:
title: CreateWorkflowLogicRuleRequest
type: object
required:
- condition
- action
- targets
properties:
condition:
title: OrCondition
type: object
properties:
or:
description: List of AND-groups; the OR-condition matches if any group matches.
type: array
items:
title: AndGroup
type: object
properties:
and:
description: List of conditions that must all match (AND combined within a group).
type: array
items:
title: LeafCondition
type: object
required:
- widgetId
- operator
properties:
widgetId:
title: EntityID
description: The ID of the widget.
type: string
operator:
description: Comparison operator (e.g. `Is`, `IsNot`, `Contains`, `IsEmpty`).
type: string
value:
description: The option's stored value.
type: string
action:
title: WorkflowLogicRuleAction
description: What the rule does to its targets when conditions match. `Show` reveals tasks/widgets that are hidden by default. `Hide` conceals tasks/widgets that are visible by default.
type: string
enum:
- Show
- Hide
targets:
title: PublicApiTargets
type: object
properties:
taskIds:
description: IDs of the tasks this rule applies to.
type: array
items:
title: EntityID
type: string
widgetIds:
description: IDs of the widgets (form fields) this rule applies to.
type: array
items:
title: EntityID
type: string
position:
title: RulePosition
description: Where to place this logic rule in the workflow revision. `Top` — before all existing rules. `Bottom` — after all existing rules (default when `position` is omitted). `After` — immediately after the rule identified by `ruleId`.
oneOf:
- title: RulePositionAfter
type: object
required:
- ruleId
- type
properties:
ruleId:
title: EntityID
type: string
type:
description: Discriminator value for this variant. See the parent oneOf for the full set of values.
type: string
const: After
- title: RulePositionBottom
type: object
required:
- type
properties:
type:
description: Discriminator value for this variant. See the parent oneOf for the full set of values.
type: string
const: Bottom
- title: RulePositionTop
type: object
required:
- type
properties:
type:
description: Discriminator value for this variant. See the parent oneOf for the full set of values.
type: string
const: Top
discriminator:
propertyName: type
mapping:
After: '#/components/schemas/RulePositionAfter'
Bottom: '#/components/schemas/RulePositionBottom'
Top: '#/components/schemas/RulePositionTop'
description:
description: Optional long-form description.
type: string
maxLength: 255
securitySchemes:
apiKeyAuth:
type: apiKey
name: X-API-Key
in: header
httpAuth:
type: http
description: Bearer token (beta)
scheme: bearer
x-tagGroups:
- name: Workflows
tags:
- Workflows
- Workflow Revisions
- Form Fields
- Workflow Logic Rules
- Workflow Tasks
- Workflow Task Assignment Rules
- Workflow Widgets
- Workflow Due Date Rules
- Workflow Task Due Date Rules
- Workflow Incoming Webhooks
- Scheduled Workflows
- name: Workflow Runs
tags:
- Workflow Runs
- Tasks
- Form Field Values
- Comments
- Attachments
- name: Pages
tags:
- Pages
- Page Revisions
- Page Widgets
- name: Data Sets
tags:
- Data Sets
- Data Set Incoming Webhooks
- name: Other
tags:
- Folders
- One-Off Tasks
- Users
- Webhooks
- File Uploads
- Utilities
- My Work