diff --git a/Sources/Features/Attributes/AttributesProvider.swift b/Sources/Features/Attributes/AttributesProvider.swift
index 258945dd..acd7ea5e 100644
--- a/Sources/Features/Attributes/AttributesProvider.swift
+++ b/Sources/Features/Attributes/AttributesProvider.swift
@@ -44,10 +44,6 @@ extension AttributesProvider: SignalContext {
         self.faultInfo.faultMessage = faultMessage
     }
 
-    func set(errorType: String?) {
-        self.attributes["error.type"] = errorType
-    }
-
     var attachmentPaths: [String] {
         return allAttachments.map(\.path)
     }
@@ -55,13 +51,20 @@ extension AttributesProvider: SignalContext {
     var allAttachments: Attachments {
         attachments + attributesSources.map(\.attachments).reduce([], +)
     }
+    
+    var scopedAttributes: Attributes {
+        return immutable + attributes;
+    }
+    var dynamicAttributes: Attributes {
+        return attributesSources.map(\.mutable).merging()
+    }
 
     var allAttributes: Attributes {
         return attributes + defaultAttributes
     }
 
     var defaultAttributes: Attributes {
-        return immutable + attributesSources.map(\.mutable).merging()
+        return immutable + dynamicAttributes
     }
 }
 
diff --git a/Sources/Features/Attributes/DefaultAttributes.swift b/Sources/Features/Attributes/DefaultAttributes.swift
index 7b9f76b1..df4640bb 100644
--- a/Sources/Features/Attributes/DefaultAttributes.swift
+++ b/Sources/Features/Attributes/DefaultAttributes.swift
@@ -11,6 +11,10 @@ import UIKit
 
 final class FaultInfo: AttributesSource {
     var faultMessage: String?
+    
+    var immutable: [String : Any?] {
+        return ["error.type": "Crash"]
+    }
     var mutable: [String: Any?] {
         return ["error.message": faultMessage]
     }
diff --git a/Sources/Features/Client/BacktraceReporter.swift b/Sources/Features/Client/BacktraceReporter.swift
index ba4f491c..8c46ed1f 100644
--- a/Sources/Features/Client/BacktraceReporter.swift
+++ b/Sources/Features/Client/BacktraceReporter.swift
@@ -76,6 +76,12 @@ extension BacktraceReporter: BacktraceClientCustomizing {
             return attributesProvider.attributes
         } set {
             attributesProvider.attributes = newValue
+            
+            guard let attributeData = try? JSONSerialization.data(withJSONObject: attributesProvider.scopedAttributes) else {
+                return
+            }
+            self.reporter.setCustomData(data: attributeData)
+        
         }
     }
 
@@ -111,10 +117,11 @@ extension BacktraceReporter {
     func generate(exception: NSException? = nil, attachmentPaths: [String] = [],
                   faultMessage: String? = nil) throws -> BacktraceReport {
         attributesProvider.set(faultMessage: faultMessage)
-        attributesProvider.set(errorType: "Exception")
         let resource = try reporter.generateLiveReport(exception: exception,
                                                        attributes: attributesProvider.allAttributes,
                                                        attachmentPaths: attachmentPaths + attributesProvider.attachmentPaths)
+        
+        resource.attributes["error.type"] = "Exception"
         return resource
     }
 }
diff --git a/Sources/Features/Extensions/Foundation+Extensions.swift b/Sources/Features/Extensions/Foundation+Extensions.swift
index 1bd8fefc..85fa9aef 100644
--- a/Sources/Features/Extensions/Foundation+Extensions.swift
+++ b/Sources/Features/Extensions/Foundation+Extensions.swift
@@ -5,6 +5,12 @@ extension Dictionary {
     static func + (lhs: Dictionary, rhs: Dictionary) -> Dictionary {
         return lhs.merging(rhs, uniquingKeysWith: {_, new in new})
     }
+    
+    static func += (left: inout Dictionary, right: Dictionary) {
+        for (key, value) in right {
+            left[key] = value
+        }
+    }
 }
 
 // From: https://stackoverflow.com/a/57886995
diff --git a/Sources/Features/Repository/Model/BacktraceReport.swift b/Sources/Features/Repository/Model/BacktraceReport.swift
index 62fcc9bd..aa04a1f1 100644
--- a/Sources/Features/Repository/Model/BacktraceReport.swift
+++ b/Sources/Features/Repository/Model/BacktraceReport.swift
@@ -23,8 +23,10 @@ import CrashReporter
         self.attachmentPaths = attachmentPaths
         self.attributes = attributes
         super.init()
+        
+        self.extendCrashAttributes()
     }
-
+    
     init(managedObject: Crash) throws {
         guard let reportData = managedObject.reportData,
             let identifierString = managedObject.hashProperty,
@@ -37,7 +39,10 @@ import CrashReporter
         self.identifier = identifier
         self.attachmentPaths = attachmentPaths
         self.attributes = (try? AttributesStorage.retrieve(fileName: identifier.uuidString)) ?? [:]
+        
         super.init()
+        
+        self.extendCrashAttributes()
     }
 }
 
@@ -46,4 +51,18 @@ extension BacktraceReport: PersistentStorable {
     typealias ManagedObjectType = Crash
 
     static var entityName: String { return "Crash" }
+    
+    private func extendCrashAttributes() {
+        guard let customData = self.plCrashReport.customData else {
+            return
+           }
+        
+          if let attributes = try? JSONSerialization.jsonObject(with: customData, options: []) as? [String: Any] {
+              self.attributes += attributes
+          } else {
+              return
+          }
+    }
+
+    
 }
diff --git a/Sources/Public/BacktraceCrashReporter.swift b/Sources/Public/BacktraceCrashReporter.swift
index 7099d648..1e2c1e80 100644
--- a/Sources/Public/BacktraceCrashReporter.swift
+++ b/Sources/Public/BacktraceCrashReporter.swift
@@ -33,10 +33,10 @@ extension BacktraceCrashReporter: CrashReporting {
                     let signalInfo = signalInfoPointer?.pointee else {
                     return
                 }
-                attributesProvider.set(errorType: "Crash")
+            
                 attributesProvider.set(faultMessage: "siginfo_t.si_signo: \(signalInfo.si_signo)")
 
-                try? AttributesStorage.store(attributesProvider.allAttributes, fileName: BacktraceCrashReporter.crashName)
+                try? AttributesStorage.store(attributesProvider.dynamicAttributes, fileName: BacktraceCrashReporter.crashName)
                 try? AttachmentsStorage.store(attributesProvider.allAttachments, fileName: BacktraceCrashReporter.crashName)
         }
 
@@ -60,10 +60,15 @@ extension BacktraceCrashReporter: CrashReporting {
     // This function retrieves, constructs, and sends the pending crash report
     func pendingCrashReport() throws -> BacktraceReport {
         let reportData = try reporter.loadPendingCrashReportDataAndReturnError()
+        
         let attributes = (try? AttributesStorage.retrieve(fileName: BacktraceCrashReporter.crashName)) ?? [:]
         let attachmentPaths = copiedFileAttachments.map(\.path)
         return try BacktraceReport(report: reportData, attributes: attributes, attachmentPaths: attachmentPaths)
     }
+    
+    func setCustomData(data: Data) {
+        self.reporter.customData = data
+    }
 
     // This function is called to copy stored file attachments
     // from pending crashes so that they are not overwritten by the
diff --git a/Sources/Public/Internal/CrashReporting.swift b/Sources/Public/Internal/CrashReporting.swift
index 05deeacd..f314b25e 100644
--- a/Sources/Public/Internal/CrashReporting.swift
+++ b/Sources/Public/Internal/CrashReporting.swift
@@ -8,4 +8,5 @@ protocol CrashReporting {
     func hasPendingCrashes() -> Bool
     func enableCrashReporting() throws
     func signalContext(_ mutableContext: inout SignalContext)
+    func setCustomData(data: Data) -> Void
 }
diff --git a/Sources/Public/Internal/SignalContext.swift b/Sources/Public/Internal/SignalContext.swift
index 6c670018..4613ae57 100644
--- a/Sources/Public/Internal/SignalContext.swift
+++ b/Sources/Public/Internal/SignalContext.swift
@@ -1,7 +1,9 @@
 import Foundation
 
 protocol SignalContext: CustomStringConvertible {
+    var scopedAttributes: Attributes { get }
     var allAttributes: Attributes { get }
+    var dynamicAttributes: Attributes { get }
     var allAttachments: Attachments { get }
     var attributes: Attributes { get set }
     // File attachments are stored to disk as URLs
@@ -9,5 +11,4 @@ protocol SignalContext: CustomStringConvertible {
     // File attachments are used in `BacktraceReport` as string paths
     var attachmentPaths: [String] { get }
     func set(faultMessage: String?)
-    func set(errorType: String?)
 }