Struct ReturnSourceRow 

pub struct ReturnSourceRow {
    pub pos_profile_id: Uuid,
    pub opening_entry_id: Uuid,
    pub branch_id: Option<Uuid>,
    pub customer_id: Option<Uuid>,
    pub billing_invoice_id: Option<Uuid>,
    pub payment_entry_id: Option<Uuid>,
    pub rounded_total: Decimal,
    pub net_total: Decimal,
    pub tax_total: Decimal,
    pub grand_total: Decimal,
    pub posting_at: DateTime<Utc>,
    pub status: String,
}

The original ticket as the returns path reads it — the source of every field the return ticket copies, plus the tender/invoice refs to reverse.

Fields

pos_profile_id: Uuid

opening_entry_id: Uuid

branch_id: Option<Uuid>

customer_id: Option<Uuid>

billing_invoice_id: Option<Uuid>

payment_entry_id: Option<Uuid>

rounded_total: Decimal

net_total: Decimal

tax_total: Decimal

grand_total: Decimal

posting_at: DateTime<Utc>

status: String