as a beneficiary
first, you inform your client of details such as your company name, address, opening bank and swift code no. so that they can open a lc.
second, after you get the original lc from advising bank, you should arrange shipment.
after shipment, you get original bl or awb, then you shall make shipping documents as stipluated on lc , generally including invoice, packing list, shipping advice, certificate of origin, insurance ,certificate or analysis , or other docs .
third, you shall go to negotiation bank for presentation of documents. the bank will send to documents to the paying bank . and you will get the payment after presentation of documents.