The phrase "a single purpose in" is correct and usable in written English.
It can be used when discussing a specific goal or intention behind an action or decision.
Example: "The organization was founded with a single purpose in mind: to promote environmental sustainability."
Alternatives: "a sole aim in" or "one objective in".
Judge Eagles added: "People rarely act with a single purpose in mind.
Apps have replaced almost everything that once served a single purpose in my life.
I have a single purpose in my life: to make some movies, and to make them in my own way.
It was a world that could be united by a single purpose, in which each little event is connected, through parallel editing, to every other event.
I mean an end to end thoughtful solution built with a single purpose in mind under one roof.
Europeans created the modern Middle East with a single purpose in mind: to serve European interests.
The third role was that of ARV/TB treatment adherence supporter (also a single purpose cadre in urban areas), which in contrast to the CDL clubs, followed up clients in their homes, doing pill counts, treatment literacy, tracing of contacts and defaulters, and liaising closely with local TB/HIV clinic staff.
The second most common role was that of "CDL - chronic disease of lifestyle – worker" provided by a single purpose cadre in urban areas and by home based carers in the rural sub-district.
Each of these teams was fit for a single purpose: high-performance in the pursuit of a big objective, at a specific point in time, and in a unique competitive context.
It is built using microservices - small pieces of software each with a single purpose, one step in the much larger workflow.
McKenzie's barrister, Ian Brownhill, who has previously represented a number of Occupy protesters, said it was "dangerous because, in terms of joint enterprise, if you are joined together in a single purpose – of course you are, in a large demonstration – and part of it turns disorderly, then they can try and hold you responsible".
