Create a survey in Maintenance Survey (Technician Portal > Maintenance Survey)
Select appropriate Workflow type
Add questions
Approve and Publish the survey
Go to Technician Portal > Workflow Configuration
Select appropriate configuration type
Connect survey in "Eforms" tab
Add site
Activate the configuration
Once you create work order according to filters in the workflow configuration, configuration will apply. Then you can find the survey in the work order according to your workflow type.