diff --git a/src/main/kotlin/fr/postgresjson/definition/parse/ParsingFunction.kt b/src/main/kotlin/fr/postgresjson/definition/parse/ParsingFunction.kt
index 375a7dc..6f3845b 100644
--- a/src/main/kotlin/fr/postgresjson/definition/parse/ParsingFunction.kt
+++ b/src/main/kotlin/fr/postgresjson/definition/parse/ParsingFunction.kt
@@ -106,7 +106,7 @@ private class ParameterNameMalformed(val script: ScriptPart, cause: Throwable) :
 @Throws(ParameterTypeMalformed::class)
 private fun ScriptPart.getParameterType(): NextScript<ParameterType> {
     val fullType = try {
-        val endTextList = arrayOf(" default ", "=", ")")
+        val endTextList = arrayOf(" default ", "=")
         getNextScript { afterBeginBy(texts = endTextList) }
     } catch (e: ParseError) {
         throw ParameterTypeMalformed(this, e)
@@ -115,20 +115,26 @@ private fun ScriptPart.getParameterType(): NextScript<ParameterType> {
     var rest: ScriptPart = fullType.valueAsScriptPart()
 
     val name = rest
-        .getNextScript { afterBeginBy("(") }
+        .getNextScript { afterBeginBy("(", "[") }
         .apply { rest = nextScriptPart }
+    rest = rest.trimStart(' ', '\n', '\t', ',', '(')
     val precision = rest
         .getNextInteger()
         .apply { rest = nextScriptPart }
+    rest = rest.trimStart(' ', '\n', '\t', ',')
     val scale = rest
         .getNextInteger()
         .apply { rest = nextScriptPart }
+    rest = rest.trimStart(' ', '\n', '\t', ')')
+
+    val isArray = rest.restOfScript.contains("[]")
 
     return NextScript(
         ParameterType(
-            name = name.value.trim(),
+            name = name.value.trim().trim('[', ']'),
             precision = precision.value,
-            scale = scale.value
+            scale = scale.value,
+            isArray = isArray
         ),
         fullType.nextScriptPart.restOfScript
     )
diff --git a/src/main/kotlin/fr/postgresjson/definition/parse/ParsingHelper.kt b/src/main/kotlin/fr/postgresjson/definition/parse/ParsingHelper.kt
index 3809ed7..e718113 100644
--- a/src/main/kotlin/fr/postgresjson/definition/parse/ParsingHelper.kt
+++ b/src/main/kotlin/fr/postgresjson/definition/parse/ParsingHelper.kt
@@ -60,12 +60,20 @@ internal fun ScriptPart.getNextScript(isEnd: Context.() -> Boolean = { false }):
         }
 
         if (isEnd(Context(index, c, status.copy(), restOfScript))) {
-            return NextScript(restOfScript.take(index + 1).unescape(), restOfScript.drop(index + 1))
+            return NextScript(
+                restOfScript.take(index + 1).unescape(),
+                restOfScript.drop(index + 1),
+            )
         }
     }
+
     if (status.isNotEscaped()) {
-        return NextScript(restOfScript.trim(), "").trimSpace()
+        return NextScript(
+            restOfScript.trim(),
+            "",
+        )
     }
+
     throw ParseError()
 }
 
@@ -99,6 +107,10 @@ internal fun <T> NextScript<T>.trim(vararg chars: Char): NextScript<T> {
     return NextScript(value, restOfScript.apply { dropWhile { it in chars } })
 }
 
+internal fun ScriptPart.trimStart(vararg chars: Char): ScriptPart {
+    return this.change { dropWhile { it in chars } }
+}
+
 internal fun ScriptPart.trimEnd(vararg chars: Char): ScriptPart {
     return this.change { dropLastWhile { it in chars } }
 }
@@ -131,9 +143,8 @@ internal inline fun ScriptPart.change(block: String.() -> String): ScriptPart {
 }
 
 internal fun ScriptPart.getNextInteger(): NextScript<Int?> {
-    val trimmed = restOfScript.trimStart { !it.isDigit() }
-    val digits = trimmed.takeWhile { it.isDigit() }
-    val restOfScript = trimmed.trimStart { it.isDigit() }
+    val digits = restOfScript.takeWhile { it.isDigit() }
+    val restOfScript = restOfScript.trimStart { it.isDigit() }
     return NextScript(digits.toIntOrNull(), restOfScript).trimSpace()
 }
 
diff --git a/src/test/kotlin/fr/postgresjson/definition/FunctionTest.kt b/src/test/kotlin/fr/postgresjson/definition/FunctionTest.kt
index f88e51e..c158495 100644
--- a/src/test/kotlin/fr/postgresjson/definition/FunctionTest.kt
+++ b/src/test/kotlin/fr/postgresjson/definition/FunctionTest.kt
@@ -309,6 +309,78 @@ class FunctionTest : FreeSpec({
                 param[3].direction shouldBe IN
             }
         }
+
+        "Parameters with type array of numeric" - {
+            val param = parseFunction(
+                // language=PostgreSQL
+                """
+                create or replace function myfun(one numeric(10, 2)[]) language plpgsql as
+                $$ begin end;$$;
+                """.trimIndent()
+            ).parameters
+
+            "should have 1 parameters" {
+                param shouldHaveSize 1
+            }
+
+            "should have parameter name" {
+                param[0].name shouldBe "one"
+            }
+
+            "should have parameter type is array" {
+                param[0].type.isArray shouldBe true
+            }
+
+            "should have parameter type name" {
+                param[0].type.name shouldBe "numeric"
+            }
+
+            "should have parameter type precision" {
+                param[0].type.precision shouldBe 10
+            }
+
+            "should have parameter type scale" {
+                param[0].type.scale shouldBe 2
+            }
+        }
+
+        "Parameters with type array of text" - {
+            val param = parseFunction(
+                // language=PostgreSQL
+                """
+                create or replace function myfun(one text[], two int[], three text) language plpgsql as
+                $$ begin end;$$;
+                """.trimIndent()
+            ).parameters
+
+            "should have 2 parameters" {
+                param shouldHaveSize 3
+            }
+
+            "should have parameter name" {
+                param[0].name shouldBe "one"
+                param[1].name shouldBe "two"
+                param[2].name shouldBe "three"
+            }
+
+            "should have parameter type is array" {
+                param[0].type.isArray shouldBe true
+                param[1].type.isArray shouldBe true
+                param[2].type.isArray shouldBe false
+            }
+
+            "should have parameter type name" {
+                param[0].type.name shouldBe "text"
+                param[1].type.name shouldBe "int"
+                param[2].type.name shouldBe "text"
+            }
+
+            "should have parameter direction" {
+                param[0].direction shouldBe IN
+                param[1].direction shouldBe IN
+                param[2].direction shouldBe IN
+            }
+        }
     }
 
     "Function Returns" - {