Workflow::newChildWorkflowStub enables the scheduling of other Workflows from within a Workflow's
implementation. The parent Workflow has the ability to monitor and impact the lifecycle of the child
Workflow, similar to the way it does for an Activity that it invoked.
Let's take a look at each component of this call.
$child->workflowMethod(), you must configure
ChildWorkflowOptions for the
invocation. These options customize various execution timeouts, and are passed into the workflow stub
defined by the
Workflow::newChildWorkflowStub. Once stub created you can invoke it's workflow method based on attribute
The method call returns immediately and returns a
Promise. This allows you to execute more
code without having to wait for the scheduled Workflow to complete.
When you are ready to process the results of the Workflow, call the
yield $promise method on the returned promise
When a parent Workflow is cancelled by the user, the child Workflow can be cancelled or abandoned based on a configurable child policy.
You can also skip the stub part of child workflow initiation and use