explain me this Vendure Framewrok function step by step

findOne(
        ctx: RequestContext,
        id: ID,
        relations: RelationPaths<Customer> = [],
    ): Promise<Customer | undefined> {
        return this.connection.findOneInChannel(ctx, Customer, id, ctx.channelId, {
            relations,
            where: { deletedAt: null },
        });
    } Provide two versions of response separated with exactly 6 asterisk symbols: ******.
user