"opportunity for interaction" is correct and usable in written English.
You can use it when you want to express the idea of there being an opportunity for people to interact with each other. Example: The new online social platform offers an opportunity for interaction between people all over the world.
This opportunity for interaction between consumer and publisher was refreshing.
"I worry that if it's completely closed off, then there's really no opportunity for interaction between driver and passenger," he said, noting that some cabbies think speaking to riders can lead to better tips.
Presenting the Swiss award, noted Swiss architect Mario Botta praised the elevation of craft skills within Studio Mumbai at a time when the forces of globalization are so often interpreted as "a form of standardization rather than an opportunity for interaction and enrichment".
The opportunity for interaction is key for community building.
DG: Everyone is trying to use social media, think it's an opportunity for interaction for agencies.
That additional opportunity for interaction, Casi explained, was something many Videogram partners requested.
In Lebanon, where political leaders are usually inaccessible to citizens who do not belong to their group, the opportunity for interactions that Twitter provides is unique.
Moreover, classes provide an advantage that even the best individual tutorial cannot, namely, the opportunity for interactions among students in discussion and problem solving.
I would not consider any position that did not offer extensive opportunities for interaction with students in sports and extra curricular activities".
When a stroller pusher can't easily see the things that attract a baby's attention, valuable opportunities for interaction can be missed.
It is obvious that peer involvement creates opportunities for interaction, and increases objectivity in assessment.
