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Mono / Creatio API / $filter parameter with day function (eq operator)

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// This example assumes the Chilkat API to have been previously unlocked.
// See Global Unlock Sample for sample code.

Chilkat.Http http = new Chilkat.Http();
bool success;

Chilkat.JsonObject queryParams = new Chilkat.JsonObject();
queryParams.UpdateString("$filter","day(Field3) eq Field3Value");

http.SetRequestHeader("ForceUseSession","true");
http.SetRequestHeader("BPMCSRF","{{BPMCSRF}}");

Chilkat.HttpResponse resp = http.QuickRequestParams("GET","https://myserver.com/0/ServiceModel/EntityDataService.svc/Collection1Collection",queryParams);
if (http.LastMethodSuccess == false) {
    Debug.WriteLine(http.LastErrorText);
    return;
}

Chilkat.StringBuilder sbResponseBody = new Chilkat.StringBuilder();
resp.GetBodySb(sbResponseBody);

Chilkat.Xml xmlResponse = new Chilkat.Xml();
xmlResponse.LoadSb(sbResponseBody,true);
Debug.WriteLine(xmlResponse.GetXml());

// Sample XML response:
// (Sample code for parsing the XML response is shown below)

// <?xml version="1.0" encoding="utf-8"?>
// <feed xml:base="https://myserver.com/0/ServiceModel/EntityDataService.svc/" xmlns="http://www.w3.org/2005/Atom" xmlns:d="http://schemas.microsoft.com/ado/2007/08/dataservices" xmlns:m="http://schemas.microsoft.com/ado/2007/08/dataservices/metadata">
//     <id>https://myserver.com/0/ServiceModel/EntityDataService.svc/EmployeeCollection</id>
//     <title type="text">EmployeeCollection</title>
//     <updated>2020-04-09T11:26:32Z</updated>
//     <link rel="self" title="EmployeeCollection" href="EmployeeCollection"/>
//     <entry>
//         <id>https://myserver.com/0/ServiceModel/EntityDataService.svc/EmployeeCollection(guid'c31c7862-fe33-4a13-9bbc-0943fa08fd02')</id>
//         <category term="Terrasoft.Configuration.Employee" scheme="http://schemas.microsoft.com/ado/2007/08/dataservices/scheme"/>
//         <link rel="edit" title="Employee" href="EmployeeCollection(guid'c31c7862-fe33-4a13-9bbc-0943fa08fd02')"/>
//         <link rel="http://schemas.microsoft.com/ado/2007/08/dataservices/related/CreatedBy" type="application/atom+xml;type=entry" title="CreatedBy" href="EmployeeCollection(guid'c31c7862-fe33-4a13-9bbc-0943fa08fd02')/CreatedBy"/>
//         <link rel="http://schemas.microsoft.com/ado/2007/08/dataservices/related/ModifiedBy" type="application/atom+xml;type=entry" title="ModifiedBy" href="EmployeeCollection(guid'c31c7862-fe33-4a13-9bbc-0943fa08fd02')/ModifiedBy"/>
//         <link rel="http://schemas.microsoft.com/ado/2007/08/dataservices/related/Contact" type="application/atom+xml;type=entry" title="Contact" href="EmployeeCollection(guid'c31c7862-fe33-4a13-9bbc-0943fa08fd02')/Contact"/>
//         <link rel="http://schemas.microsoft.com/ado/2007/08/dataservices/related/OrgStructureUnitCollectionByHead" type="application/atom+xml;type=feed" title="OrgStructureUnitCollectionByHead" href="EmployeeCollection(guid'c31c7862-fe33-4a13-9bbc-0943fa08fd02')/OrgStructureUnitCollectionByHead"/>
//         <link rel="http://schemas.microsoft.com/ado/2007/08/dataservices/related/OrgStructureUnit" type="application/atom+xml;type=entry" title="OrgStructureUnit" href="EmployeeCollection(guid'c31c7862-fe33-4a13-9bbc-0943fa08fd02')/OrgStructureUnit"/>
//         <link rel="http://schemas.microsoft.com/ado/2007/08/dataservices/related/Job" type="application/atom+xml;type=entry" title="Job" href="EmployeeCollection(guid'c31c7862-fe33-4a13-9bbc-0943fa08fd02')/Job"/>
//         <link rel="http://schemas.microsoft.com/ado/2007/08/dataservices/related/Owner" type="application/atom+xml;type=entry" title="Owner" href="EmployeeCollection(guid'c31c7862-fe33-4a13-9bbc-0943fa08fd02')/Owner"/>
//         <link rel="http://schemas.microsoft.com/ado/2007/08/dataservices/related/ReasonForDismissal" type="application/atom+xml;type=entry" title="ReasonForDismissal" href="EmployeeCollection(guid'c31c7862-fe33-4a13-9bbc-0943fa08fd02')/ReasonForDismissal"/>
//         <link rel="http://schemas.microsoft.com/ado/2007/08/dataservices/related/Account" type="application/atom+xml;type=entry" title="Account" href="EmployeeCollection(guid'c31c7862-fe33-4a13-9bbc-0943fa08fd02')/Account"/>
//         <link rel="http://schemas.microsoft.com/ado/2007/08/dataservices/related/Manager" type="application/atom+xml;type=entry" title="Manager" href="EmployeeCollection(guid'c31c7862-fe33-4a13-9bbc-0943fa08fd02')/Manager"/>
//         <link rel="http://schemas.microsoft.com/ado/2007/08/dataservices/related/EmployeeCollectionByManager" type="application/atom+xml;type=feed" title="EmployeeCollectionByManager" href="EmployeeCollection(guid'c31c7862-fe33-4a13-9bbc-0943fa08fd02')/EmployeeCollectionByManager"/>
//         <link rel="http://schemas.microsoft.com/ado/2007/08/dataservices/related/EmployeeCareerCollectionByEmployee" type="application/atom+xml;type=feed" title="EmployeeCareerCollectionByEmployee" href="EmployeeCollection(guid'c31c7862-fe33-4a13-9bbc-0943fa08fd02')/EmployeeCareerCollectionByEmployee"/>
//         <link rel="http://schemas.microsoft.com/ado/2007/08/dataservices/related/EmployeeFileCollectionByEmployee" type="application/atom+xml;type=feed" title="EmployeeFileCollectionByEmployee" href="EmployeeCollection(guid'c31c7862-fe33-4a13-9bbc-0943fa08fd02')/EmployeeFileCollectionByEmployee"/>
//         <link rel="http://schemas.microsoft.com/ado/2007/08/dataservices/related/EmployeeInFolderCollectionByEmployee" type="application/atom+xml;type=feed" title="EmployeeInFolderCollectionByEmployee" href="EmployeeCollection(guid'c31c7862-fe33-4a13-9bbc-0943fa08fd02')/EmployeeInFolderCollectionByEmployee"/>
//         <link rel="http://schemas.microsoft.com/ado/2007/08/dataservices/related/EmployeeInTagCollectionByEntity" type="application/atom+xml;type=feed" title="EmployeeInTagCollectionByEntity" href="EmployeeCollection(guid'c31c7862-fe33-4a13-9bbc-0943fa08fd02')/EmployeeInTagCollectionByEntity"/>
//         <link rel="http://schemas.microsoft.com/ado/2007/08/dataservices/related/SalaryCollectionByEmployee" type="application/atom+xml;type=feed" title="SalaryCollectionByEmployee" href="EmployeeCollection(guid'c31c7862-fe33-4a13-9bbc-0943fa08fd02')/SalaryCollectionByEmployee"/>
//         <link rel="http://schemas.microsoft.com/ado/2007/08/dataservices/related/VwEmployeesHierarchyCollectionByEmployee" type="application/atom+xml;type=feed" title="VwEmployeesHierarchyCollectionByEmployee" href="EmployeeCollection(guid'c31c7862-fe33-4a13-9bbc-0943fa08fd02')/VwEmployeesHierarchyCollectionByEmployee"/>
//         <title/>
//         <updated>2020-04-09T11:26:32Z</updated>
//         <author>
//             <name/>
//         </author>
//         <content type="application/xml">
//             <m:properties>
//                 <d:Id m:type="Edm.Guid">c31c7862-fe33-4a13-9bbc-0943fa08fd02</d:Id>
//                 <d:Name>William Walker</d:Name>
//                 <d:CreatedOn m:type="Edm.DateTime">2017-03-30T14:50:04Z</d:CreatedOn>
//                 <d:CreatedById m:type="Edm.Guid">76929f8c-7e15-4c64-bdb0-adc62d383727</d:CreatedById>
//                 <d:ModifiedOn m:type="Edm.DateTime">2020-02-14T06:30:46.234Z</d:ModifiedOn>
//                 <d:ModifiedById m:type="Edm.Guid">410006e1-ca4e-4502-a9ec-e54d922d2c00</d:ModifiedById>
//                 <d:ProcessListeners m:type="Edm.Int32">0</d:ProcessListeners>
//                 <d:ContactId m:type="Edm.Guid">227aab3b-7c0c-4181-abf9-81585563ab23</d:ContactId>
//                 <d:OrgStructureUnitId m:type="Edm.Guid">d436a9ce-9690-4415-9e03-e8061d7cabb5</d:OrgStructureUnitId>
//                 <d:Notes/>
//                 <d:JobId m:type="Edm.Guid">11d68189-ced6-df11-9b2a-001d60e938c6</d:JobId>
//                 <d:FullJobTitle>Developer</d:FullJobTitle>
//                 <d:OwnerId m:type="Edm.Guid">76929f8c-7e15-4c64-bdb0-adc62d383727</d:OwnerId>
//                 <d:CareerStartDate m:type="Edm.DateTime">2019-09-08T00:00:00</d:CareerStartDate>
//                 <d:CareerDueDate m:type="Edm.DateTime">0001-01-01T00:00:00</d:CareerDueDate>
//                 <d:ProbationDueDate m:type="Edm.DateTime">2020-01-09T00:00:00</d:ProbationDueDate>
//                 <d:ReasonForDismissalId m:type="Edm.Guid">00000000-0000-0000-0000-000000000000</d:ReasonForDismissalId>
//                 <d:AccountId m:type="Edm.Guid">a0bf3e92-f36b-1410-0499-00155d043204</d:AccountId>
//                 <d:ManagerId m:type="Edm.Guid">3e5bd47e-1ebd-41db-a9a6-a3560dcee3cb</d:ManagerId>
//             </m:properties>
//         </content>
//     </entry>
//     <entry>
//         <id>https://myserver.com/0/ServiceModel/EntityDataService.svc/EmployeeCollection(guid'f11df686-a557-4790-99e5-36ec8dcd2f00')</id>
//         <category term="Terrasoft.Configuration.Employee" scheme="http://schemas.microsoft.com/ado/2007/08/dataservices/scheme"/>
//         <link rel="edit" title="Employee" href="EmployeeCollection(guid'f11df686-a557-4790-99e5-36ec8dcd2f00')"/>
//         <link rel="http://schemas.microsoft.com/ado/2007/08/dataservices/related/CreatedBy" type="application/atom+xml;type=entry" title="CreatedBy" href="EmployeeCollection(guid'f11df686-a557-4790-99e5-36ec8dcd2f00')/CreatedBy"/>
//         <link rel="http://schemas.microsoft.com/ado/2007/08/dataservices/related/ModifiedBy" type="application/atom+xml;type=entry" title="ModifiedBy" href="EmployeeCollection(guid'f11df686-a557-4790-99e5-36ec8dcd2f00')/ModifiedBy"/>
//         <link rel="http://schemas.microsoft.com/ado/2007/08/dataservices/related/Contact" type="application/atom+xml;type=entry" title="Contact" href="EmployeeCollection(guid'f11df686-a557-4790-99e5-36ec8dcd2f00')/Contact"/>
//         <link rel="http://schemas.microsoft.com/ado/2007/08/dataservices/related/OrgStructureUnitCollectionByHead" type="application/atom+xml;type=feed" title="OrgStructureUnitCollectionByHead" href="EmployeeCollection(guid'f11df686-a557-4790-99e5-36ec8dcd2f00')/OrgStructureUnitCollectionByHead"/>
//         <link rel="http://schemas.microsoft.com/ado/2007/08/dataservices/related/OrgStructureUnit" type="application/atom+xml;type=entry" title="OrgStructureUnit" href="EmployeeCollection(guid'f11df686-a557-4790-99e5-36ec8dcd2f00')/OrgStructureUnit"/>
//         <link rel="http://schemas.microsoft.com/ado/2007/08/dataservices/related/Job" type="application/atom+xml;type=entry" title="Job" href="EmployeeCollection(guid'f11df686-a557-4790-99e5-36ec8dcd2f00')/Job"/>
//         <link rel="http://schemas.microsoft.com/ado/2007/08/dataservices/related/Owner" type="application/atom+xml;type=entry" title="Owner" href="EmployeeCollection(guid'f11df686-a557-4790-99e5-36ec8dcd2f00')/Owner"/>
//         <link rel="http://schemas.microsoft.com/ado/2007/08/dataservices/related/ReasonForDismissal" type="application/atom+xml;type=entry" title="ReasonForDismissal" href="EmployeeCollection(guid'f11df686-a557-4790-99e5-36ec8dcd2f00')/ReasonForDismissal"/>
//         <link rel="http://schemas.microsoft.com/ado/2007/08/dataservices/related/Account" type="application/atom+xml;type=entry" title="Account" href="EmployeeCollection(guid'f11df686-a557-4790-99e5-36ec8dcd2f00')/Account"/>
//         <link rel="http://schemas.microsoft.com/ado/2007/08/dataservices/related/Manager" type="application/atom+xml;type=entry" title="Manager" href="EmployeeCollection(guid'f11df686-a557-4790-99e5-36ec8dcd2f00')/Manager"/>
//         <link rel="http://schemas.microsoft.com/ado/2007/08/dataservices/related/EmployeeCollectionByManager" type="application/atom+xml;type=feed" title="EmployeeCollectionByManager" href="EmployeeCollection(guid'f11df686-a557-4790-99e5-36ec8dcd2f00')/EmployeeCollectionByManager"/>
//         <link rel="http://schemas.microsoft.com/ado/2007/08/dataservices/related/EmployeeCareerCollectionByEmployee" type="application/atom+xml;type=feed" title="EmployeeCareerCollectionByEmployee" href="EmployeeCollection(guid'f11df686-a557-4790-99e5-36ec8dcd2f00')/EmployeeCareerCollectionByEmployee"/>
//         <link rel="http://schemas.microsoft.com/ado/2007/08/dataservices/related/EmployeeFileCollectionByEmployee" type="application/atom+xml;type=feed" title="EmployeeFileCollectionByEmployee" href="EmployeeCollection(guid'f11df686-a557-4790-99e5-36ec8dcd2f00')/EmployeeFileCollectionByEmployee"/>
//         <link rel="http://schemas.microsoft.com/ado/2007/08/dataservices/related/EmployeeInFolderCollectionByEmployee" type="application/atom+xml;type=feed" title="EmployeeInFolderCollectionByEmployee" href="EmployeeCollection(guid'f11df686-a557-4790-99e5-36ec8dcd2f00')/EmployeeInFolderCollectionByEmployee"/>
//         <link rel="http://schemas.microsoft.com/ado/2007/08/dataservices/related/EmployeeInTagCollectionByEntity" type="application/atom+xml;type=feed" title="EmployeeInTagCollectionByEntity" href="EmployeeCollection(guid'f11df686-a557-4790-99e5-36ec8dcd2f00')/EmployeeInTagCollectionByEntity"/>
//         <link rel="http://schemas.microsoft.com/ado/2007/08/dataservices/related/SalaryCollectionByEmployee" type="application/atom+xml;type=feed" title="SalaryCollectionByEmployee" href="EmployeeCollection(guid'f11df686-a557-4790-99e5-36ec8dcd2f00')/SalaryCollectionByEmployee"/>
//         <link rel="http://schemas.microsoft.com/ado/2007/08/dataservices/related/VwEmployeesHierarchyCollectionByEmployee" type="application/atom+xml;type=feed" title="VwEmployeesHierarchyCollectionByEmployee" href="EmployeeCollection(guid'f11df686-a557-4790-99e5-36ec8dcd2f00')/VwEmployeesHierarchyCollectionByEmployee"/>
//         <title/>
//         <updated>2020-04-09T11:26:32Z</updated>
//         <author>
//             <name/>
//         </author>
//         <content type="application/xml">
//             <m:properties>
//                 <d:Id m:type="Edm.Guid">f11df686-a557-4790-99e5-36ec8dcd2f00</d:Id>
//                 <d:Name>Sarah M. Richards</d:Name>
//                 <d:CreatedOn m:type="Edm.DateTime">2017-03-30T14:24:32Z</d:CreatedOn>
//                 <d:CreatedById m:type="Edm.Guid">76929f8c-7e15-4c64-bdb0-adc62d383727</d:CreatedById>
//                 <d:ModifiedOn m:type="Edm.DateTime">2017-03-31T07:37:37Z</d:ModifiedOn>
//                 <d:ModifiedById m:type="Edm.Guid">76929f8c-7e15-4c64-bdb0-adc62d383727</d:ModifiedById>
//                 <d:ProcessListeners m:type="Edm.Int32">0</d:ProcessListeners>
//                 <d:ContactId m:type="Edm.Guid">f1edc225-4312-45e9-90fb-a63edbe9294f</d:ContactId>
//                 <d:OrgStructureUnitId m:type="Edm.Guid">60c294d4-b4f7-4809-b061-1e8016264edc</d:OrgStructureUnitId>
//                 <d:Notes/>
//                 <d:JobId m:type="Edm.Guid">ca49a603-57e6-df11-971b-001d60e938c6</d:JobId>
//                 <d:FullJobTitle>Head of accounting department</d:FullJobTitle>
//                 <d:OwnerId m:type="Edm.Guid">76929f8c-7e15-4c64-bdb0-adc62d383727</d:OwnerId>
//                 <d:CareerStartDate m:type="Edm.DateTime">2019-01-08T00:00:00</d:CareerStartDate>
//                 <d:CareerDueDate m:type="Edm.DateTime">0001-01-01T00:00:00</d:CareerDueDate>
//                 <d:ProbationDueDate m:type="Edm.DateTime">0001-01-01T00:00:00</d:ProbationDueDate>
//                 <d:ReasonForDismissalId m:type="Edm.Guid">00000000-0000-0000-0000-000000000000</d:ReasonForDismissalId>
//                 <d:AccountId m:type="Edm.Guid">e308b781-3c5b-4ecb-89ef-5c1ed4da488e</d:AccountId>
//                 <d:ManagerId m:type="Edm.Guid">26fffdc9-a184-47a7-a6b6-cafc9fe58327</d:ManagerId>
//             </m:properties>
//         </content>
//     </entry>
// </feed>

// Sample code for parsing the XML response...
// Use this online tool to generate parsing code from sample XML: Generate XML Parsing Code

string category_term;
string category_scheme;
int j;
int count_j;
string link_type;
string content_type;
string d_Id_m_type;
string d_Id;
string d_Name;
string d_CreatedOn_m_type;
string d_CreatedOn;
string d_CreatedById_m_type;
string d_CreatedById;
string d_ModifiedOn_m_type;
string d_ModifiedOn;
string d_ModifiedById_m_type;
string d_ModifiedById;
string d_ProcessListeners_m_type;
int d_ProcessListeners;
string d_ContactId_m_type;
string d_ContactId;
string d_OrgStructureUnitId_m_type;
string d_OrgStructureUnitId;
string d_JobId_m_type;
string d_JobId;
string d_FullJobTitle;
string d_OwnerId_m_type;
string d_OwnerId;
string d_CareerStartDate_m_type;
string d_CareerStartDate;
string d_CareerDueDate_m_type;
string d_CareerDueDate;
string d_ProbationDueDate_m_type;
string d_ProbationDueDate;
string d_ReasonForDismissalId_m_type;
string d_ReasonForDismissalId;
string d_AccountId_m_type;
string d_AccountId;
string d_ManagerId_m_type;
string d_ManagerId;

string feed_xml_base = xmlResponse.GetAttrValue("xml:base");
string feed_xmlns = xmlResponse.GetAttrValue("xmlns");
string feed_xmlns_d = xmlResponse.GetAttrValue("xmlns:d");
string feed_xmlns_m = xmlResponse.GetAttrValue("xmlns:m");
string id = xmlResponse.GetChildContent("id");
string title_type = xmlResponse.ChilkatPath("title|(type)");
string title = xmlResponse.GetChildContent("title");
string updated = xmlResponse.GetChildContent("updated");
string link_rel = xmlResponse.ChilkatPath("link|(rel)");
string link_title = xmlResponse.ChilkatPath("link|(title)");
string link_href = xmlResponse.ChilkatPath("link|(href)");
int i = 0;
int count_i = xmlResponse.NumChildrenHavingTag("entry");
while (i < count_i) {
    xmlResponse.I = i;
    id = xmlResponse.GetChildContent("entry[i]|id");
    category_term = xmlResponse.ChilkatPath("entry[i]|category|(term)");
    category_scheme = xmlResponse.ChilkatPath("entry[i]|category|(scheme)");
    j = 0;
    count_j = xmlResponse.NumChildrenHavingTag("entry[i]|link");
    while (j < count_j) {
        xmlResponse.J = j;
        link_rel = xmlResponse.ChilkatPath("entry[i]|link[j]|(rel)");
        link_title = xmlResponse.ChilkatPath("entry[i]|link[j]|(title)");
        link_href = xmlResponse.ChilkatPath("entry[i]|link[j]|(href)");
        link_type = xmlResponse.ChilkatPath("entry[i]|link[j]|(type)");
        j = j + 1;
    }

    updated = xmlResponse.GetChildContent("entry[i]|updated");
    content_type = xmlResponse.ChilkatPath("entry[i]|content|(type)");
    d_Id_m_type = xmlResponse.ChilkatPath("entry[i]|content|m:properties|d:Id|(m:type)");
    d_Id = xmlResponse.GetChildContent("entry[i]|content|m:properties|d:Id");
    d_Name = xmlResponse.GetChildContent("entry[i]|content|m:properties|d:Name");
    d_CreatedOn_m_type = xmlResponse.ChilkatPath("entry[i]|content|m:properties|d:CreatedOn|(m:type)");
    d_CreatedOn = xmlResponse.GetChildContent("entry[i]|content|m:properties|d:CreatedOn");
    d_CreatedById_m_type = xmlResponse.ChilkatPath("entry[i]|content|m:properties|d:CreatedById|(m:type)");
    d_CreatedById = xmlResponse.GetChildContent("entry[i]|content|m:properties|d:CreatedById");
    d_ModifiedOn_m_type = xmlResponse.ChilkatPath("entry[i]|content|m:properties|d:ModifiedOn|(m:type)");
    d_ModifiedOn = xmlResponse.GetChildContent("entry[i]|content|m:properties|d:ModifiedOn");
    d_ModifiedById_m_type = xmlResponse.ChilkatPath("entry[i]|content|m:properties|d:ModifiedById|(m:type)");
    d_ModifiedById = xmlResponse.GetChildContent("entry[i]|content|m:properties|d:ModifiedById");
    d_ProcessListeners_m_type = xmlResponse.ChilkatPath("entry[i]|content|m:properties|d:ProcessListeners|(m:type)");
    d_ProcessListeners = xmlResponse.GetChildIntValue("entry[i]|content|m:properties|d:ProcessListeners");
    d_ContactId_m_type = xmlResponse.ChilkatPath("entry[i]|content|m:properties|d:ContactId|(m:type)");
    d_ContactId = xmlResponse.GetChildContent("entry[i]|content|m:properties|d:ContactId");
    d_OrgStructureUnitId_m_type = xmlResponse.ChilkatPath("entry[i]|content|m:properties|d:OrgStructureUnitId|(m:type)");
    d_OrgStructureUnitId = xmlResponse.GetChildContent("entry[i]|content|m:properties|d:OrgStructureUnitId");
    d_JobId_m_type = xmlResponse.ChilkatPath("entry[i]|content|m:properties|d:JobId|(m:type)");
    d_JobId = xmlResponse.GetChildContent("entry[i]|content|m:properties|d:JobId");
    d_FullJobTitle = xmlResponse.GetChildContent("entry[i]|content|m:properties|d:FullJobTitle");
    d_OwnerId_m_type = xmlResponse.ChilkatPath("entry[i]|content|m:properties|d:OwnerId|(m:type)");
    d_OwnerId = xmlResponse.GetChildContent("entry[i]|content|m:properties|d:OwnerId");
    d_CareerStartDate_m_type = xmlResponse.ChilkatPath("entry[i]|content|m:properties|d:CareerStartDate|(m:type)");
    d_CareerStartDate = xmlResponse.GetChildContent("entry[i]|content|m:properties|d:CareerStartDate");
    d_CareerDueDate_m_type = xmlResponse.ChilkatPath("entry[i]|content|m:properties|d:CareerDueDate|(m:type)");
    d_CareerDueDate = xmlResponse.GetChildContent("entry[i]|content|m:properties|d:CareerDueDate");
    d_ProbationDueDate_m_type = xmlResponse.ChilkatPath("entry[i]|content|m:properties|d:ProbationDueDate|(m:type)");
    d_ProbationDueDate = xmlResponse.GetChildContent("entry[i]|content|m:properties|d:ProbationDueDate");
    d_ReasonForDismissalId_m_type = xmlResponse.ChilkatPath("entry[i]|content|m:properties|d:ReasonForDismissalId|(m:type)");
    d_ReasonForDismissalId = xmlResponse.GetChildContent("entry[i]|content|m:properties|d:ReasonForDismissalId");
    d_AccountId_m_type = xmlResponse.ChilkatPath("entry[i]|content|m:properties|d:AccountId|(m:type)");
    d_AccountId = xmlResponse.GetChildContent("entry[i]|content|m:properties|d:AccountId");
    d_ManagerId_m_type = xmlResponse.ChilkatPath("entry[i]|content|m:properties|d:ManagerId|(m:type)");
    d_ManagerId = xmlResponse.GetChildContent("entry[i]|content|m:properties|d:ManagerId");
    i = i + 1;
}

Curl Command

curl -G -d "$filter=day%28Field3%29%20eq%20Field3Value"
	-H "ForceUseSession: true"
	-H "BPMCSRF: {{BPMCSRF}}"
https://myserver.com/0/ServiceModel/EntityDataService.svc/Collection1Collection

Postman Collection Item JSON

{
  "name": "$filter parameter with day function (eq operator)",
  "protocolProfileBehavior": {
    "disableBodyPruning": true
  },
  "request": {
    "method": "GET",
    "header": [
      {
        "key": "ForceUseSession",
        "type": "text",
        "value": "true"
      },
      {
        "key": "BPMCSRF",
        "type": "text",
        "value": "{{BPMCSRF}}"
      }
    ],
    "body": {
      "mode": "raw",
      "raw": ""
    },
    "url": {
      "raw": "{{BaseURI}}/0/ServiceModel/EntityDataService.svc/{{CollectionName1}}Collection?$filter=day({{FieldName3}}) eq {{FieldName3Value1}}",
      "host": [
        "{{BaseURI}}"
      ],
      "path": [
        "0",
        "ServiceModel",
        "EntityDataService.svc",
        "{{CollectionName1}}Collection"
      ],
      "query": [
        {
          "key": "$filter",
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      "status": "OK",
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        {
          "key": "X-Content-Type-Options",
          "value": "nosniff"
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        {
          "key": "DataServiceVersion",
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        {
          "key": "X-AspNet-Version",
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        {
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        {
          "key": "X-Frame-Options",
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        },
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          "key": "Date",
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