Filter users by custom properties

When fetching users, I get a result similar to this :

{
“urn:ietf:params:scim:schemas:sailpoint:1.0:User”: {
“capabilities”: [
“contractorsportalCapability”,
“contractorsportalOperatorCapability”,
“contractorsportalRight”
],
“tivit_status_reason” : “excecao”
“lastRefresh”: “2022-06-08T05:27:20.278-03:00”,
“accounts”: [{…},{…}],
“tivit_cargo”: “COORDENADOR DE TI I”
},
“emails”: [{…}],
“displayName”: “FERNANDO”,
“meta”: {…},
“schemas”: [
“urn:ietf:params:scim:schemas:sailpoint:1.0:User”,
“urn:ietf:params:scim:schemas:core:2.0:User”,
“urn:ietf:params:scim:schemas:extension:enterprise:2.0:User”
],
“name”: {…},
“active”: true,
“id”: “xxxxx”,
“userType”: “employee”,
“userName”: “37380942883”,
“urn:ietf:params:scim:schemas:extension:enterprise:2.0:User”: {“manager”: {…}}
}

so i wanna get only users filtered by column tivit_status_reason

i just try :
filter=tivit_status_reason eq ‘xxx’
and
filter=urn:ietf:params:scim:schemas:sailpoint:1.0:User.tivit_status_reason eq ‘xxx’

but it returns me error :

{
“schemas”: [
“urn:ietf:params:scim:api:messages:2.0:Error”
],
“scimType”: “invalidFilter”,
“detail”: “Invalid filter:urn:ietf:params:scim:schemas:sailpoint:1.0:User.tivit_status_reason eq ‘Excecao’”,
“status”: “400”
}

please, some hint how can i make this filter?

using the filter like:

filter=urn:ietf:params:scim:schemas:sailpoint:1.0:User:tivit_status_reason eq “xxx”

works