diff --git a/src/TALXIS.CLI.Features.Environment/Data/Bulk/EnvDataBulkCreateCliCommand.cs b/src/TALXIS.CLI.Features.Environment/Data/Bulk/EnvDataBulkCreateCliCommand.cs
index c9cb2328..73877aac 100644
--- a/src/TALXIS.CLI.Features.Environment/Data/Bulk/EnvDataBulkCreateCliCommand.cs
+++ b/src/TALXIS.CLI.Features.Environment/Data/Bulk/EnvDataBulkCreateCliCommand.cs
@@ -26,7 +26,7 @@ public class EnvDataBulkCreateCliCommand : ProfiledCliCommand
     [CliOption(Name = "--file", Description = "Path to a JSON file containing an array of records.", Required = false)]
     public string? File { get; set; }
 
-    [CliOption(Name = "--data", Description = "Inline JSON array of records.", Required = false)]
+    [CliOption(Name = "--data", Description = "Inline JSON array of records. Special column types: OptionSet as an integer (e.g. 375970000), Lookup as a GUID string or {Id,LogicalName} object, Money as a decimal (e.g. 1500.50), Boolean as true/false, DateTime as an ISO-8601 UTC string (e.g. 2026-05-01T00:00:00Z).", Required = false)]
     public string? Data { get; set; }
 
     protected override async Task<int> ExecuteAsync()
diff --git a/src/TALXIS.CLI.Features.Environment/Data/Bulk/EnvDataBulkUpdateCliCommand.cs b/src/TALXIS.CLI.Features.Environment/Data/Bulk/EnvDataBulkUpdateCliCommand.cs
index 36020d04..a7d7819e 100644
--- a/src/TALXIS.CLI.Features.Environment/Data/Bulk/EnvDataBulkUpdateCliCommand.cs
+++ b/src/TALXIS.CLI.Features.Environment/Data/Bulk/EnvDataBulkUpdateCliCommand.cs
@@ -26,7 +26,7 @@ public class EnvDataBulkUpdateCliCommand : ProfiledCliCommand
     [CliOption(Name = "--file", Description = "Path to a JSON file containing an array of records.", Required = false)]
     public string? File { get; set; }
 
-    [CliOption(Name = "--data", Description = "Inline JSON array of records.", Required = false)]
+    [CliOption(Name = "--data", Description = "Inline JSON array of records. Special column types: OptionSet as an integer (e.g. 375970000), Lookup as a GUID string or {Id,LogicalName} object, Money as a decimal (e.g. 1500.50), Boolean as true/false, DateTime as an ISO-8601 UTC string (e.g. 2026-05-01T00:00:00Z).", Required = false)]
     public string? Data { get; set; }
 
     protected override async Task<int> ExecuteAsync()
diff --git a/src/TALXIS.CLI.Features.Environment/Data/Bulk/EnvDataBulkUpsertCliCommand.cs b/src/TALXIS.CLI.Features.Environment/Data/Bulk/EnvDataBulkUpsertCliCommand.cs
index df2df0a5..788d3122 100644
--- a/src/TALXIS.CLI.Features.Environment/Data/Bulk/EnvDataBulkUpsertCliCommand.cs
+++ b/src/TALXIS.CLI.Features.Environment/Data/Bulk/EnvDataBulkUpsertCliCommand.cs
@@ -26,7 +26,7 @@ public class EnvDataBulkUpsertCliCommand : ProfiledCliCommand
     [CliOption(Name = "--file", Description = "Path to a JSON file containing an array of records.", Required = false)]
     public string? File { get; set; }
 
-    [CliOption(Name = "--data", Description = "Inline JSON array of records.", Required = false)]
+    [CliOption(Name = "--data", Description = "Inline JSON array of records. Special column types: OptionSet as an integer (e.g. 375970000), Lookup as a GUID string or {Id,LogicalName} object, Money as a decimal (e.g. 1500.50), Boolean as true/false, DateTime as an ISO-8601 UTC string (e.g. 2026-05-01T00:00:00Z).", Required = false)]
     public string? Data { get; set; }
 
     protected override async Task<int> ExecuteAsync()
diff --git a/src/TALXIS.CLI.Features.Environment/Data/Record/EnvDataRecordCreateCliCommand.cs b/src/TALXIS.CLI.Features.Environment/Data/Record/EnvDataRecordCreateCliCommand.cs
index 33414c9e..56580d19 100644
--- a/src/TALXIS.CLI.Features.Environment/Data/Record/EnvDataRecordCreateCliCommand.cs
+++ b/src/TALXIS.CLI.Features.Environment/Data/Record/EnvDataRecordCreateCliCommand.cs
@@ -24,7 +24,7 @@ public class EnvDataRecordCreateCliCommand : StagedCliCommand
     [CliOption(Name = "--entity", Description = "Entity logical name (e.g. account).", Required = true)]
     public string Entity { get; set; } = null!;
 
-    [CliOption(Name = "--data", Description = "Inline JSON object with record attributes.", Required = false)]
+    [CliOption(Name = "--data", Description = "Inline JSON object with record attributes. Special column types: OptionSet as an integer (e.g. 375970000), Lookup as a GUID string or {Id,LogicalName} object, Money as a decimal (e.g. 1500.50), Boolean as true/false, DateTime as an ISO-8601 UTC string (e.g. 2026-05-01T00:00:00Z).", Required = false)]
     public string? Data { get; set; }
 
     [CliOption(Name = "--file", Description = "Path to a JSON file containing record attributes.", Required = false)]
diff --git a/src/TALXIS.CLI.Features.Environment/Data/Record/EnvDataRecordUpdateCliCommand.cs b/src/TALXIS.CLI.Features.Environment/Data/Record/EnvDataRecordUpdateCliCommand.cs
index 56abe8db..ea4f2e3a 100644
--- a/src/TALXIS.CLI.Features.Environment/Data/Record/EnvDataRecordUpdateCliCommand.cs
+++ b/src/TALXIS.CLI.Features.Environment/Data/Record/EnvDataRecordUpdateCliCommand.cs
@@ -30,7 +30,7 @@ public class EnvDataRecordUpdateCliCommand : StagedCliCommand
         ValidationMessage = CliValidation.GuidValidationMessage)]
     public required Guid RecordId { get; set; }
 
-    [CliOption(Name = "--data", Description = "Inline JSON object with attributes to update.", Required = false)]
+    [CliOption(Name = "--data", Description = "Inline JSON object with attributes to update. Special column types: OptionSet as an integer (e.g. 375970000), Lookup as a GUID string or {Id,LogicalName} object, Money as a decimal (e.g. 1500.50), Boolean as true/false, DateTime as an ISO-8601 UTC string (e.g. 2026-05-01T00:00:00Z).", Required = false)]
     public string? Data { get; set; }
 
     [CliOption(Name = "--file", Description = "Path to a JSON file containing attributes to update.", Required = false)]