UPI COLLECT

import uuid
from phonepe.sdk.pg.payments.v2.custom_checkout_client import CustomCheckoutClient
from phonepe.sdk.pg.env import Env
from phonepe.sdk.pg.common.models.request.pg_payment_request import PgPaymentRequest
from phonepe.sdk.pg.common.models.request.meta_info import MetaInfo

client_id = "<client_id>"
client_secret = "<client_secret>"
client_version = 1  # insert your client version here
env = Env.SANDBOX   # change to Env.PRODUCTION when you go live

custom_checkout_client = CustomCheckoutClient.get_instance(client_id=client_id,
                                                           client_version=client_version,
                                                           client_secret=client_secret,
                                                           env=env)

merchant_order_id = str(uuid.uuid4())
amount = 100
vpa = "<REPLACE_WITH_REQUIRED_VPA>"
collect_message = "<MESSAGE_DISPLAYED_TO_USER>"

meta_info = MetaInfo() \
    .udf1("free-text-value-1") \
    .udf2("free-text-value-2") \
    .udf3("free-text-value-3") \
    .udf4("free-text-value-4") \
    .udf5("free-text-value-5") \
    .udf6("free-text-value-6") \
    .udf7("free-text-value-7") \
    .udf8("free-text-value-8") \
    .udf9("free-text-value-9") \
    .udf10("free-text-value-10") \
    .udf11("ref_11") \
    .udf12("tag-12") \
    .udf13("user@13") \
    .udf14("code.14") \
    .udf15("val+15") \
    .build()

custom_checkout_pay_request = PgPaymentRequest.build_upi_collect_pay_via_vpa_request(
    vpa=vpa,
    amount=amount,
    merchant_order_id=merchant_order_id,
    device_os="IOS",
    message=collect_message,
    meta_info=meta_info)

custom_checkout_pay_response = custom_checkout_client.pay(custom_checkout_pay_request)