Adding an Execute Button

With the <vdl-execute-button> element you can add a button to a view that allows a user to submit a scenario for execution with a given execution mode, optionally setting a scalar entity first.

By default, an execute button uses the first scenario and sets the execution mode to RUN.

View Designer

In the Palette > Components group, click and drag a Button element onto the artboard. The Execute button element can be placed anywhere in a view (not just within the confines of a form like an HTML submit button) to enable a way to (re)run the scenario.

Code editor

<vdl-execute-button></vdl-execute-button>

To change the execution mode, scenario and caption:

View Designer

Adding a button in the View Designer

Code editor

<vdl-execute-button mode="LOAD" caption="Load the second scenario" scenario="1">
</vdl-execute-button>

You can set the mode to be any custom execution mode defined in the model, or one of the standard modes(LOAD and RUN):

<vdl-execute-button mode="EVALUATE_SEGMENTS" caption="Evaluate Segments">
</vdl-execute-button>

For more on custom execution modes, see Adding a Custom Execution Mode.

It is good practice to set a scalar before execution. The value attribute accepts an expression so you can calculate the value based on the current values of other model entities:

<vdl-execute-button entity="LIMIT" value="=getLimit()" caption="Evaluate limited dataset">
</vdl-execute-button>

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