The component manifest provides information about a component (such as name, icon, author, description and properties) in a JSON text file. The manifest file must be named component.json.

Example manifest file:

"name": "appmixer.utils.controls.OnStart",
"author": "Martin Krčmář <[email protected]>",
"label": "On Flow Start",
"description": "This trigger fires once and only once the flow starts.",
"icon": "data:image/svg+xml;base64,PD94bWwgdmV...",
"outPorts": [
"name": "out",
"schema": {
"properties": {
"started": {
"type": "string",
"format": "date-time"
"required": [ "started" ]
"options": [
{ "label": "Start time", "value": "started" }


  • name

    Name of the component.

  • label

    Label that will be used instead of name.

  • icon

    Component icon.

  • marker Component badge icon giving users extra context.

  • author


  • description


  • auth

    Authentication mechanism if the component requires authentication.

  • quota

    Parameters for the quota module used in the component (to conform with API usage limits).

  • properties

    Properties of the component.

  • inPorts

    Definition of the input of the component and how data transforms before it is processed by the component.

  • outPorts

    Definition of the output of the component and variables that other connected components can use in their input.

  • firePatterns

    Requirements for the component input messages to decide whether the component is ready to fire.

  • tick

    Enable polling mechanism on the component.

  • private Make component private to hide it from the user.

  • webhook Make component "webhook"-type meaning it can receive HTTP requests.

  • state Controls whether component's internal state is preserved across flow restarts.