Adding an Event Definition

The different ways to add a new event are:

  • From the Event Editor, select the Add Event button or right-click the event list, select the New Event menu item

  • Right-click a model object and select Add > Action menu item to open the New Action dialog, then select the Add Event button.


An event definition is made up of four parts, name, type, description and format.

  • Name - Must not be blank and must only contain alphanumerical characters, periods and underscores.

  • Type

    • Incoming - Events coming into the user interface from external applications.

    • Outgoing - Events from the user interface into external applications.

    • Self - Events generated from the user interface to itself and are generally used to trigger additional behavior in the UI.

  • Description - This field is used to store information about the event definition. Different users and teams will have their own style of event descriptions. A place to store information such as; conditions for events firing, expected behavior or any other descriptive information.

  • Format - For more information about event format strings, read the section on Serialized Data and the Event Format String. To add elements to the format string, press the Add Event Data Elementadd_event_data_element_button.png button and open the New Storyboard IO Data Element Wizard.

    • Name - Must not be blank, must only contain alphanumerical characters or underscores and cannot begin with a number.

    • Format - The size(8,4,2,1 bytes) and type(signed, unsigned, float) of data.

    • Array Size - If this data element is an array, the Array Size will be greater than 1.

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