Define this parameter in the Http Request Header
{
"cartId": 1,
"productsData": [
{
"product_id": 1,
"group_id": 2,
"qty": 3,
"skuId": "sample string 4",
"custom_price": "sample string 5",
"custom_design": 6,
"custom_image": [
"sample string 1",
"sample string 2"
]
},
{
"product_id": 1,
"group_id": 2,
"qty": 3,
"skuId": "sample string 4",
"custom_price": "sample string 5",
"custom_design": 6,
"custom_image": [
"sample string 1",
"sample string 2"
]
}
],
"action": "sample string 2",
"customerId": 3,
"ReferenceData1": 4
}