Creating User Inputs

Hello!

I'm new to BW reporting & need some guidance on this.

I need to create Input Parameters for a query & need help on this.

<Characteristic Name><Optional / Mandatory><Range, Interval or Single Value>

Fiscal Year-- Mandatory-- Range

Fiscal Period-- Optional-- Range

District-- Mandatory-- Range

Plant-- Optional-- Range

Planning Scenario-- Mandatory-- Single

Material (Assembly)-- Optional-- Range

Could you provide a procedure for doing this?

Thanks in advance.