diff --git a/asyncapi-core/src/main/java/com/asyncapi/v3/schema/avro/v1/_9_0/AvroSchema.java b/asyncapi-core/src/main/java/com/asyncapi/v3/schema/avro/v1/_9_0/AvroSchema.java
index 9f11ed4a..df2d7734 100644
--- a/asyncapi-core/src/main/java/com/asyncapi/v3/schema/avro/v1/_9_0/AvroSchema.java
+++ b/asyncapi-core/src/main/java/com/asyncapi/v3/schema/avro/v1/_9_0/AvroSchema.java
@@ -1,5 +1,6 @@
 package com.asyncapi.v3.schema.avro.v1._9_0;
 
+import com.fasterxml.jackson.annotation.JsonProperty;
 import com.fasterxml.jackson.annotation.JsonSubTypes;
 import com.fasterxml.jackson.annotation.JsonTypeInfo;
 import lombok.Data;
@@ -58,19 +59,49 @@ public AvroSchema(@NotNull Builder<?, ?> builder) {
      * Avro Schema type.
      */
     @NotNull
+    @JsonProperty("type")
     private String type;
 
+    /**
+     * A JSON integer representing the scale (optional).
+     * <p>
+     * If not specified the scale is 0.
+     */
     @Nullable
+    @JsonProperty("scale")
     private Integer scale;
 
     /*
-        Type: bytes, fixed
+        Type: bytes, fixed, decimal
      */
 
+    /**
+     * A JSON integer representing the (maximum) precision of decimals stored in this type (required).
+     */
     @Nullable
+    @JsonProperty("precision")
     private Integer precision;
 
+    /**
+     * A logical type is an Avro primitive or complex type with extra attributes to represent a derived type.
+     * <p>
+     * The attribute logicalType must always be present for a logical type, and is a string with the name of one
+     * of the logical types listed later in this section. Other attributes may be defined for particular logical types.
+     * <p>
+     * <p>
+     * A logical type is always serialized using its underlying Avro type so that values are encoded in exactly the same
+     * way as the equivalent Avro type that does not have a logicalType attribute. Language implementations may choose to
+     * represent logical types with an appropriate native type, although this is not required.
+     * <p>
+     * Language implementations must ignore unknown logical types when reading, and should use the underlying Avro type.
+     * <p>
+     * If a logical type is invalid, for example a decimal with scale greater than its precision, then implementations
+     * should ignore the logical type and use the underlying Avro type.
+     *
+     * @see <a href="https://avro.apache.org/docs/1.9.0/spec.html#Logical+Types">Logical Types</a>
+     */
     @Nullable
+    @JsonProperty("logicalType")
     private String logicalType;
 
     public static Builder<?, ?> builder() {
diff --git a/asyncapi-core/src/main/java/com/asyncapi/v3/schema/avro/v1/_9_0/AvroSchemaArray.java b/asyncapi-core/src/main/java/com/asyncapi/v3/schema/avro/v1/_9_0/AvroSchemaArray.java
index 9b2959a9..a51a1c4e 100644
--- a/asyncapi-core/src/main/java/com/asyncapi/v3/schema/avro/v1/_9_0/AvroSchemaArray.java
+++ b/asyncapi-core/src/main/java/com/asyncapi/v3/schema/avro/v1/_9_0/AvroSchemaArray.java
@@ -47,6 +47,9 @@ public AvroSchemaArray(@NotNull Builder builder) {
         this.metadata = builder.metadata;
     }
 
+    /**
+     * The schema of the array's items.
+     */
     @NotNull
     @JsonProperty("items")
     @JsonDeserialize(using = AvroTypeDeserializer.class)
diff --git a/asyncapi-core/src/main/java/com/asyncapi/v3/schema/avro/v1/_9_0/AvroSchemaEnum.java b/asyncapi-core/src/main/java/com/asyncapi/v3/schema/avro/v1/_9_0/AvroSchemaEnum.java
index 2db885ac..965239d8 100644
--- a/asyncapi-core/src/main/java/com/asyncapi/v3/schema/avro/v1/_9_0/AvroSchemaEnum.java
+++ b/asyncapi-core/src/main/java/com/asyncapi/v3/schema/avro/v1/_9_0/AvroSchemaEnum.java
@@ -69,6 +69,7 @@ public AvroSchemaEnum(@NotNull Builder builder) {
      * A JSON string providing documentation to the user of this schema (optional).
      */
     @Nullable
+    @JsonProperty("doc")
     private String doc;
 
     /**
@@ -79,6 +80,7 @@ public AvroSchemaEnum(@NotNull Builder builder) {
      *  Every symbol must match the regular expression [A-Za-z_][A-Za-z0-9_]* (the same requirement as for <a href="https://avro.apache.org/docs/1.9.0/spec.html#names">names</a>).
      */
     @NotNull
+    @JsonProperty("symbols")
     private List<@NotNull String> symbols = Collections.emptyList();
 
     /**
diff --git a/asyncapi-core/src/main/java/com/asyncapi/v3/schema/avro/v1/_9_0/AvroSchemaFixed.java b/asyncapi-core/src/main/java/com/asyncapi/v3/schema/avro/v1/_9_0/AvroSchemaFixed.java
index f4090fb7..18e8abc9 100644
--- a/asyncapi-core/src/main/java/com/asyncapi/v3/schema/avro/v1/_9_0/AvroSchemaFixed.java
+++ b/asyncapi-core/src/main/java/com/asyncapi/v3/schema/avro/v1/_9_0/AvroSchemaFixed.java
@@ -61,12 +61,14 @@ public AvroSchemaFixed(@NotNull Builder builder) {
      * A JSON array of strings, providing alternate names for this record (optional).
      */
     @Nullable
+    @JsonProperty("aliases")
     private List<@NotNull String> aliases;
 
     /**
      * An integer, specifying the number of bytes per value (required).
      */
     @NotNull
+    @JsonProperty("size")
     private Integer size;
 
     @NotNull
diff --git a/asyncapi-core/src/main/java/com/asyncapi/v3/schema/avro/v1/_9_0/AvroSchemaRecord.java b/asyncapi-core/src/main/java/com/asyncapi/v3/schema/avro/v1/_9_0/AvroSchemaRecord.java
index 1dd0066a..684742e6 100644
--- a/asyncapi-core/src/main/java/com/asyncapi/v3/schema/avro/v1/_9_0/AvroSchemaRecord.java
+++ b/asyncapi-core/src/main/java/com/asyncapi/v3/schema/avro/v1/_9_0/AvroSchemaRecord.java
@@ -1,5 +1,6 @@
 package com.asyncapi.v3.schema.avro.v1._9_0;
 
+import com.fasterxml.jackson.annotation.JsonProperty;
 import lombok.Data;
 import lombok.EqualsAndHashCode;
 import org.jetbrains.annotations.NotNull;
@@ -62,30 +63,35 @@ public AvroSchemaRecord(@NotNull Builder builder) {
      * A JSON string providing the name of the record (required).
      */
     @NotNull
+    @JsonProperty("name")
     private String name = "";
 
     /**
      * A JSON string that qualifies the name.
      */
     @Nullable
+    @JsonProperty("namespace")
     private String namespace;
 
     /**
      * A JSON string providing documentation to the user of this schema (optional).
      */
     @Nullable
+    @JsonProperty("doc")
     private String doc;
 
     /**
      * A JSON array of strings, providing alternate names for this record (optional).
      */
     @Nullable
+    @JsonProperty("aliases")
     private List<@NotNull String> aliases;
 
     /**
      * A JSON array, listing fields (required).
      */
     @NotNull
+    @JsonProperty("fields")
     private List<@NotNull AvroSchemaRecordField> fields = Collections.emptyList();
 
     @NotNull
@@ -114,9 +120,6 @@ public static class Builder extends AvroSchema.Builder<AvroSchema, Builder> {
         @Nullable
         private String doc;
 
-        @NotNull
-        private List<@NotNull String> symbols = Collections.emptyList();
-
         @Nullable
         private List<@NotNull String> aliases;
 
@@ -141,12 +144,6 @@ public Builder doc(@Nullable String doc) {
             return this;
         }
 
-        @NotNull
-        public Builder symbols(@NotNull List<@NotNull String> symbols) {
-            this.symbols = symbols;
-            return this;
-        }
-
         @NotNull
         public Builder aliases(@NotNull List<@NotNull String> aliases) {
             this.aliases = aliases;