Message Start Event (HTTP)

Issues a URL that awaits an HTTP request. Starts a new Process automatically when an HTTP request is received. Capable of inserting values accepted as receive parameters to Business Data.

Configs: Common
  • Step Name
  • Note
Configs: Editing permission
  • Data Items
    • Editing permission
      • (Ediatble)
      • (No display)
Configs: API key
  • API key
URL, Reception Parameter (Opens in new tab)
  • App name
  • Event name
Node Number
  • number
  • Starting/Receiving URL
    • http s://{YOUR DOMAIN}/System/Event/MessageStart/{APP ID}/{NODE NUMBER}/start
    • ${var[applicationRoot]}System/Event/MessageStart/{APP ID}/{NODE NUMBER}/start
Allowed Hosts/Networks
  • (Overview of related IP Address Filtering)
Reception Parameter
    • Reception Parameter Name / Detail / required / About Parameter Value / Fixed Value



  • When a workflow App with a Message Start Event (HTTP) is released, a “Service Task (HTTP Request to Start Event) ” for that Start Event is generated and added to the items pallet in the Editor the on the same workflow platform
  • You can check the launching URL and parameter details in the other page after clicking the [URL, Reception Parameter] button in the property screen
  • The value of API key (key) can be set arbitrarily with halfwidth alphanumeric characters, at most 100 in length
    • Even though it is possible to leave the API key blank, please set the API key to tighten the security
  • If data that does not meet the required settings, minimum/maximum length, and input check details of the Data Item that stores the received data is sent, the process will fail to start
  • It may not be started automatically due to the limit of number of startups of the entire Workflow platform
  • Communication from the external network is not permitted by default of the Workflow platform
  • To allow communication from the external network, change the setting in [IP Address Filtering] < [System Settings] (M312: System Administrator Authority Required)
  • It is possible to set an IP address filter by each trigger URL

See also

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