You can call any Teamcenter Service by using the "Call Teamcenter Service" activity in a microflow.
You will have to refer to the documentation at Teamcenter Services API Reference to understand the input and output formats and then write an Operation mapping to transform your Mendix domain model into the right format.
For instance, to create a Dispatcher request, the docs show that createDispatcherRequest is defined like so:
You can call this in a microflow like this:
where the operation mapping is defined as:
The corresponding domain model is:
How do we make available Custom SOA in mendix is there any way ? like do we need to generate WSDl file and import it to mendix if so then how do we import it to mendix module ?