Converting GraphQL mutation to Google Apps Scripts - google-apps-script

Question

I am looking to convert this specific GraphQL code snippet to GAS.
mutation {
createReportExport(input: {
reportId: "XXXX",
fileContentType: CSV,
frequency: ONCE,
reportFilters: [
{
attributeName: "Sale Date",
relativeDateQuery: {
greaterEqual: "P14D"
}
}
]
}) {
reportExport {
id
fileUrl
}
}
}
Below is what I have tried in GAS
var query = 'mutation {createReportExport(input: {reportId: "urn:abc:Report:3318979a-7628-44ab-aa0d-a822f856b908",fileContentType: CSV,frequency: ONCE,reportFilters: [{attributeName: "Sale Date",relativeDateQuery: {greaterEqual: "P10D"}}]}) {reportExport {idfileUrl}}}'
var query2 = {
'operationName': 'Mutation',
'query': {query},
'variables': {}
}
var ql = '{insert URL}';
var content = {
"method": 'POST',
"headers": {"Authorization": httpBasicHeader,
"contentType": "application/json"},
"payload": JSON.stringify(query2)
};
var response = UrlFetchApp.fetch(ql, content);
var data = (response.getContentText());
Logger.log(data);
I have two variables, 'query' and 'query2' that I have tried. I am getting a {"errors":[{"message":"No query document supplied"}]} error message when running it in GAS.
When I run the first code snippet in another environment, it runs successfully. I am looking to keep my project within GAS if possible, since I have figured out the rest of the problems with my project and this is the last thing holding me back.

Answer 1

I think, the query property in query2 should not be wrapped in an object:
var query2 = {
'operationName': 'Mutation',
// no { } here:
'query': query,
'variables': {}
}