Representative of Overseas media employees ( VISA)

[SarahOS]

Hello

I am working in Broadcasting organization and they want to send me to the UK as Producer
when I check the Offical site of GOV for Representatives of overseas businesses
I found full information about the VISA, my request is :
are anyone deals with this kind of application ( Representative of Media )
1- what the document that needs it as evidence?
2- can someone share with me a checklist of requirements?

Thanks all