validation2 I dont know if its correct???

common/src/proto/komp_ac.table_validation.rs

@@ -23,14 +23,16 @@ pub struct FieldValidation {
     #[prost(string, tag = "1")]
     pub data_key: ::prost::alloc::string::String,
     /// Current: only CharacterLimits. More rules can be added later.
-    ///
-    /// Future expansion:
-    /// PatternRules pattern = 11;
-    /// DisplayMask mask = 12;
-    /// ExternalValidation external = 13;
-    /// CustomFormatter formatter = 14;
     #[prost(message, optional, tag = "10")]
     pub limits: ::core::option::Option<CharacterLimits>,
+    /// Future expansion:
+    /// PatternRules pattern = 11;
+    #[prost(message, optional, tag = "3")]
+    pub mask: ::core::option::Option<DisplayMask>,
+    /// ExternalValidation external = 13;
+    /// CustomFormatter formatter = 14;
+    #[prost(bool, tag = "4")]
+    pub required: bool,
 }
 /// Character limit validation (Validation 1)
 #[derive(serde::Serialize, serde::Deserialize)]
@@ -49,6 +51,20 @@ pub struct CharacterLimits {
     #[prost(enumeration = "CountMode", tag = "4")]
     pub count_mode: i32,
 }
+/// Mask for pretty display
+#[derive(serde::Serialize, serde::Deserialize)]
+#[derive(Clone, PartialEq, ::prost::Message)]
+pub struct DisplayMask {
+    /// e.g., "(###) ###-####" or "####-##-##"
+    #[prost(string, tag = "1")]
+    pub pattern: ::prost::alloc::string::String,
+    /// e.g., "#"
+    #[prost(string, tag = "2")]
+    pub input_char: ::prost::alloc::string::String,
+    /// e.g., "_"
+    #[prost(string, optional, tag = "3")]
+    pub template_char: ::core::option::Option<::prost::alloc::string::String>,
+}
 #[derive(serde::Serialize, serde::Deserialize)]
 #[derive(Clone, PartialEq, ::prost::Message)]
 pub struct UpdateFieldValidationRequest {