Core.microflowcall returns a microflowbuilder which subclasses from actioncallbuilder. This has a method to schedule the microflow in a taskqueue.
https://apidocs.rnd.mendix.com/10/runtime/com/mendix/core/Core.html#microflowCall(java.lang.String)
https://apidocs.rnd.mendix.com/10/runtime/com/mendix/core/actionmanagement/MicroflowCallBuilder.html
https://apidocs.rnd.mendix.com/10/runtime/com/mendix/core/actionmanagement/ActionCallBuilder.html