Help with new trpc syntax

export const trainingRouter = createRouter()
    .mutation('createTraining', {
        input: z.object({
            trainingName: z.string(),
        }),
        async resolve({ input, ctx }) {
            const newlyCreatedTraining = await ctx.prisma.training.create({
                data: input,
            })
            return newlyCreatedTraining.id
        },
    })