Initializing help system before first use

# vdl

Root tag of the page

since 4.8

### Example

    <vdl version="5.8"></vdl>

### Attributes

version | The version of VDL that the view is compatible with. You can specify just the major version of VDL that you are targeting, for example version="5". Or if your app is likely to be uploaded to an older version of Insight you can specify the major and minor version of VDL that you are targeting, for example version="5.8". | since 4.8 |  | required
default-execution-overlay | Whether to make use of the "execution" overlay. Acceptable values are "enabled", "disabled" and "disabled_for_progress". "disabled_for_progress" is only available in Xpress Insight 5 and will disable the default execution overlay only when at least one of the scenarios used in the view runs a job that sends progress. | since 4.8 |  |
progress | When set to true, the view will receive progress data updates if the model emits any during execution. Accepts ""true" or "false", defaults to "false". Progress updates are only supported in Insight 5. | since 4.8 |  |

Parent Topic VDL 5 Reference

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