Process Affinity

In your manifest file all you need to do is add viewProcessAffinityStrategy just inside the platform section of your manifest file:

{
    "runtime": {
        "arguments": "--inspect",
        "version": "stable"
    },
    "platform": {
        "uuid": "This_Platform_App",
        "applicationIcon": "https://openfin.github.io/golden-prototype/favicon.ico",
        "viewProcessAffinityStrategy": "same",
        "defaultWindowOptions": {
  ...

Setting it to "same" will ensure that all views from the same origin are rendered by a single renderer process. Alternatively, if you choose "different," each view will have its own dedicated renderer process.

The "viewProcessAffinityStrategy" offers a comprehensive option, where supplying each view with a "processAffinity" option allows more selective grouping of views based on the specified names. For example, assigning "processAffinity":"PA1" to views from the same origin will render them all in the same renderer process, providing finer control over the grouping.

Further information available here: https://developers.openfin.co/of-docs/docs/container-overview#process-affinity