diff --git a/src/main/antlr4/imports/DPLParserTransform_timechart.g4 b/src/main/antlr4/imports/DPLParserTransform_timechart.g4
index 137f83f..5001123 100644
--- a/src/main/antlr4/imports/DPLParserTransform_timechart.g4
+++ b/src/main/antlr4/imports/DPLParserTransform_timechart.g4
@@ -46,11 +46,15 @@
 parser grammar DPLParserTransform_timechart;
 
 timechartTransformation
-        : COMMAND_MODE_TIMECHART (t_timechart_sepParameter | t_timechart_formatParameter | t_timechart_partialParameter | t_timechart_fixedrangeParameter | t_timechart_contParameter | t_timechart_limitParameter)*? (t_timechart_aggParameter t_timechart_fieldRenameInstruction?)*? (t_timechart_binOptParameter)*? ((aggregateFunction t_timechart_fieldRenameInstruction? | t_timechart_evaledField t_timechart_fieldRenameInstruction?) t_timechart_divideByInstruction?)+ t_timechart_dedupSplitParameter?
+        : COMMAND_MODE_TIMECHART (t_timechart_sepParameter | t_timechart_formatParameter | t_timechart_partialParameter | t_timechart_fixedrangeParameter | t_timechart_contParameter | t_timechart_limitParameter)*? (t_timechart_aggParameter)*? (t_timechart_binOptParameter)*? ((t_timechart_aggregation | t_timechart_renameableEvaledField) t_timechart_divideByInstruction?)+ t_timechart_dedupSplitParameter?
         ;
 
 t_timechart_aggParameter
-        : COMMAND_TIMECHART_MODE_AGG(((aggregateFunction | t_timechart_evaledField | fieldType)))
+        : COMMAND_TIMECHART_MODE_AGG(((aggregateFunction | t_timechart_evaledField | fieldType))) t_timechart_fieldRenameInstruction?
+        ;
+
+t_timechart_aggregation
+        : aggregateFunction t_timechart_fieldRenameInstruction?
         ;
 
 t_timechart_binOptParameter
@@ -153,6 +157,10 @@ t_timechart_evaledField
         : COMMAND_TIMECHART_MODE_EVAL_PARENTHESIS_L evalStatement EVAL_LANGUAGE_MODE_PARENTHESIS_R
         ;
 
+t_timechart_renameableEvaledField
+        : t_timechart_evaledField t_timechart_fieldRenameInstruction?
+        ;
+
 t_timechart_fieldRenameInstruction
         : (COMMAND_TIMECHART_MODE_AS) fieldType
         ;
diff --git a/src/test/java/com/teragrep/pth_03/tests/TimechartSyntaxTests.java b/src/test/java/com/teragrep/pth_03/tests/TimechartSyntaxTests.java
index 2a3123c..8f044f2 100644
--- a/src/test/java/com/teragrep/pth_03/tests/TimechartSyntaxTests.java
+++ b/src/test/java/com/teragrep/pth_03/tests/TimechartSyntaxTests.java
@@ -48,6 +48,7 @@
 import com.teragrep.pth_03.ParserStructureTestingUtility;
 import com.teragrep.pth_03.ParserSyntaxTestingUtility;
 
+import static org.junit.jupiter.api.Assertions.assertDoesNotThrow;
 import static org.junit.jupiter.api.Assertions.assertEquals;
 
 import org.junit.jupiter.params.ParameterizedTest;
@@ -67,6 +68,8 @@ public class TimechartSyntaxTests {
             "timechart9",
             "timechart10",
             "timechart11",
+            "timechartEvaledField",
+            "timechartAggParamEval"
     })
     public void timechartSyntaxParseTest(String arg) throws Exception {
         String fileName = "src/test/resources/antlr4/commands/timechart/" + arg + ".txt";
@@ -148,7 +151,7 @@ void xpathTest5(String arg) throws Exception {
     void xpathTest6(String arg) throws Exception {
         ParserStructureTestingUtility pstu = new ParserStructureTestingUtility();
         String fileName = "src/test/resources/antlr4/commands/timechart/" + arg + ".txt";
-        String xpathExp = "/root/transformStatement/timechartTransformation/aggregateFunction/aggregateMethodCount/value[1]";
+        String xpathExp = "/root/transformStatement/timechartTransformation/t_timechart_aggregation/aggregateFunction/aggregateMethodCount/value[1]";
 
         NodeList nodesA = (NodeList) pstu.xpathQueryFile(fileName, xpathExp, false);
         // Check that 1 found
@@ -187,7 +190,7 @@ void xpathTest8(String arg) throws Exception {
     void xpathTest9(String arg) throws Exception {
         ParserStructureTestingUtility pstu = new ParserStructureTestingUtility();
         String fileName = "src/test/resources/antlr4/commands/timechart/" + arg + ".txt";
-        String xpathExp = "/root/transformStatement/timechartTransformation/aggregateFunction/aggregateMethodCount/value";
+        String xpathExp = "/root/transformStatement/timechartTransformation/t_timechart_aggregation/aggregateFunction/aggregateMethodCount/value";
 
         NodeList nodesA = (NodeList) pstu.xpathQueryFile(fileName, xpathExp, false);
         // Check that 1 found
@@ -343,7 +346,7 @@ void xpathTest20(String arg) throws Exception {
     void xpathTest21(String arg) throws Exception {
         ParserStructureTestingUtility pstu = new ParserStructureTestingUtility();
         String fileName = "src/test/resources/antlr4/commands/timechart/" + arg + ".txt";
-        String xpathExp = "/root/transformStatement/timechartTransformation/aggregateFunction/aggregateMethodAvg/aggregate_fieldType/value";
+        String xpathExp = "/root/transformStatement/timechartTransformation/t_timechart_aggregation/aggregateFunction/aggregateMethodAvg/aggregate_fieldType/value";
 
         NodeList nodesA = (NodeList) pstu.xpathQueryFile(fileName, xpathExp, false);
         // Check that 1 found
@@ -411,7 +414,7 @@ void xpathTest25(String arg) throws Exception {
 	void xpathTest26(String arg) throws Exception {
         ParserStructureTestingUtility pstu = new ParserStructureTestingUtility();
         String fileName = "src/test/resources/antlr4/commands/timechart/" + arg + ".txt";
-        String xpathExp = "/root/transformStatement/timechartTransformation/t_timechart_fieldRenameInstruction/fieldType/value";
+        String xpathExp = "/root/transformStatement/timechartTransformation/t_timechart_aggParameter/t_timechart_fieldRenameInstruction/fieldType/value";
 
         NodeList nodesA = (NodeList) pstu.xpathQueryFile(fileName, xpathExp, false);
         // Check that 1 found
@@ -425,11 +428,91 @@ void xpathTest26(String arg) throws Exception {
     void xpathTest27(String arg) throws Exception {
         ParserStructureTestingUtility pstu = new ParserStructureTestingUtility();
         String fileName = "src/test/resources/antlr4/commands/timechart/" + arg + ".txt";
-        String xpathExp = "/root/transformStatement/timechartTransformation/aggregateFunction/aggregateMethodPercentileVariable/aggregate_fieldType/value";
+        String xpathExp = "/root/transformStatement/timechartTransformation/t_timechart_aggregation/aggregateFunction/aggregateMethodPercentileVariable/aggregate_fieldType/value";
 
         NodeList nodesA = (NodeList) pstu.xpathQueryFile(fileName, xpathExp, false);
         // Check that 1 found
         assertEquals(1,nodesA.getLength());
     }
+
+    @ParameterizedTest
+    @ValueSource(strings = {
+            "timechart11",
+    })
+    public void testAggregationWithRename(String arg) {
+        final ParserStructureTestingUtility pstu = new ParserStructureTestingUtility();
+        final String fileName = "src/test/resources/antlr4/commands/timechart/" + arg + ".txt";
+
+        final String aggregateFunctionPath = "/root/transformStatement/timechartTransformation/t_timechart_aggregation/aggregateFunction/aggregateMethodSum/aggregate_fieldType/value";
+        final String renamePath = "root/transformStatement/timechartTransformation/t_timechart_aggregation/t_timechart_fieldRenameInstruction/fieldType/value";
+
+        final NodeList aggregateFunctionNodes = assertDoesNotThrow(() -> (NodeList) pstu.xpathQueryFile(fileName, aggregateFunctionPath, false));
+        final NodeList renameNodes = assertDoesNotThrow(() -> (NodeList) pstu.xpathQueryFile(fileName, renamePath, false));
+
+        assertEquals(1, aggregateFunctionNodes.getLength());
+        assertEquals(1, renameNodes.getLength());
+        assertEquals("sales", aggregateFunctionNodes.item(0).getTextContent());
+        assertEquals("sales", renameNodes.item(0).getTextContent());
+    }
+
+    @ParameterizedTest
+    @ValueSource(strings = {
+            "timechart4",
+    })
+    public void testAggParameterWithRename(String arg) {
+        final ParserStructureTestingUtility pstu = new ParserStructureTestingUtility();
+        final String fileName = "src/test/resources/antlr4/commands/timechart/" + arg + ".txt";
+
+        final String aggregateFunctionPath = "/root/transformStatement/timechartTransformation/t_timechart_aggParameter/aggregateFunction/aggregateMethodCount/aggregate_fieldType/value";
+        final String renamePath = "root/transformStatement/timechartTransformation/t_timechart_aggParameter/t_timechart_fieldRenameInstruction/fieldType/value";
+
+        final NodeList aggregateFunctionNodes = assertDoesNotThrow(() -> (NodeList) pstu.xpathQueryFile(fileName, aggregateFunctionPath, false));
+        final NodeList renameNodes = assertDoesNotThrow(() -> (NodeList) pstu.xpathQueryFile(fileName, renamePath, false));
+
+        assertEquals(1, aggregateFunctionNodes.getLength());
+        assertEquals(1, renameNodes.getLength());
+        assertEquals("ddd", aggregateFunctionNodes.item(0).getTextContent());
+        assertEquals("D", renameNodes.item(0).getTextContent());
+    }
+
+    @ParameterizedTest
+    @ValueSource(strings = {
+            "timechartEvaledField",
+    })
+    public void testEvaledFieldWithRename(String arg) {
+        final ParserStructureTestingUtility pstu = new ParserStructureTestingUtility();
+        final String fileName = "src/test/resources/antlr4/commands/timechart/" + arg + ".txt";
+
+        final String evalPath = "/root/transformStatement/timechartTransformation/t_timechart_renameableEvaledField/t_timechart_evaledField/evalStatement/evalFunctionStatement/evalMethodRound/evalStatement/evalFieldType/value";
+        final String renamePath = "root/transformStatement/timechartTransformation/t_timechart_renameableEvaledField/t_timechart_fieldRenameInstruction/fieldType/value";
+
+        final NodeList evalNodes = assertDoesNotThrow(() -> (NodeList) pstu.xpathQueryFile(fileName, evalPath, false));
+        final NodeList renameNodes = assertDoesNotThrow(() -> (NodeList) pstu.xpathQueryFile(fileName, renamePath, false));
+
+        assertEquals(1, evalNodes.getLength());
+        assertEquals(1, renameNodes.getLength());
+        assertEquals("sales", evalNodes.item(0).getTextContent());
+        assertEquals("rounded_sales", renameNodes.item(0).getTextContent());
+    }
+
+    @ParameterizedTest
+    @ValueSource(strings = {
+            "timechartAggParamEval",
+    })
+    public void testEvaledFieldInAggParam(String arg) {
+        final ParserStructureTestingUtility pstu = new ParserStructureTestingUtility();
+        final String fileName = "src/test/resources/antlr4/commands/timechart/" + arg + ".txt";
+
+        final String aggPath = "/root/transformStatement/timechartTransformation/t_timechart_aggParameter/value";
+        final String evalPath = "/root/transformStatement/timechartTransformation/t_timechart_aggParameter/t_timechart_evaledField/evalStatement/evalFunctionStatement/evalMethodRound/evalStatement/evalFieldType/value";
+
+        final NodeList aggNodes = assertDoesNotThrow(() -> (NodeList) pstu.xpathQueryFile(fileName, aggPath, false));
+        final NodeList evalNodes = assertDoesNotThrow(() -> (NodeList) pstu.xpathQueryFile(fileName, evalPath, false));
+
+        assertEquals(1, aggNodes.getLength());
+        assertEquals(1, evalNodes.getLength());
+        assertEquals("agg=", aggNodes.item(0).getTextContent());
+        assertEquals("sales", evalNodes.item(0).getTextContent());
+    }
 }
 
diff --git a/src/test/resources/antlr4/commands/timechart/timechartAggParamEval.txt b/src/test/resources/antlr4/commands/timechart/timechartAggParamEval.txt
new file mode 100644
index 0000000..40d3446
--- /dev/null
+++ b/src/test/resources/antlr4/commands/timechart/timechartAggParamEval.txt
@@ -0,0 +1,46 @@
+<!-- /*
+ * Teragrep Data Processing Language Parser Library PTH-03
+ * Copyright (C) 2019, 2020, 2021, 2022  Suomen Kanuuna Oy
+ *
+ * This program is free software: you can redistribute it and/or modify
+ * it under the terms of the GNU Affero General Public License as published by
+ * the Free Software Foundation, either version 3 of the License, or
+ * (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU Affero General Public License for more details.
+ *
+ * You should have received a copy of the GNU Affero General Public License
+ * along with this program.  If not, see <https://github.com/teragrep/teragrep/blob/main/LICENSE>.
+ *
+ *
+ * Additional permission under GNU Affero General Public License version 3
+ * section 7
+ *
+ * If you modify this Program, or any covered work, by linking or combining it
+ * with other code, such other code is not for that reason alone subject to any
+ * of the requirements of the GNU Affero GPL version 3 as long as this Program
+ * is the same Program as licensed from Suomen Kanuuna Oy without any additional
+ * modifications.
+ *
+ * Supplemented terms under GNU Affero General Public License version 3
+ * section 7
+ *
+ * Origin of the software must be attributed to Suomen Kanuuna Oy. Any modified
+ * versions must be marked as "Modified version of" The Program.
+ *
+ * Names of the licensors and authors may not be used for publicity purposes.
+ *
+ * No rights are granted for use of trade names, trademarks, or service marks
+ * which are in The Program if any.
+ *
+ * Licensee must indemnify licensors and authors for any liability that these
+ * contractual assumptions impose on licensors and authors.
+ *
+ * To the extent this program is licensed as part of the Commercial versions of
+ * Teragrep, the applicable Commercial License may apply to this file if you as
+ * a licensee so wish it.
+ */ -->
+| timechart agg=eval(round(sales, 3)) count by x
\ No newline at end of file
diff --git a/src/test/resources/antlr4/commands/timechart/timechartEvaledField.txt b/src/test/resources/antlr4/commands/timechart/timechartEvaledField.txt
new file mode 100644
index 0000000..b43a7e2
--- /dev/null
+++ b/src/test/resources/antlr4/commands/timechart/timechartEvaledField.txt
@@ -0,0 +1,46 @@
+<!-- /*
+ * Teragrep Data Processing Language Parser Library PTH-03
+ * Copyright (C) 2019, 2020, 2021, 2022  Suomen Kanuuna Oy
+ *
+ * This program is free software: you can redistribute it and/or modify
+ * it under the terms of the GNU Affero General Public License as published by
+ * the Free Software Foundation, either version 3 of the License, or
+ * (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU Affero General Public License for more details.
+ *
+ * You should have received a copy of the GNU Affero General Public License
+ * along with this program.  If not, see <https://github.com/teragrep/teragrep/blob/main/LICENSE>.
+ *
+ *
+ * Additional permission under GNU Affero General Public License version 3
+ * section 7
+ *
+ * If you modify this Program, or any covered work, by linking or combining it
+ * with other code, such other code is not for that reason alone subject to any
+ * of the requirements of the GNU Affero GPL version 3 as long as this Program
+ * is the same Program as licensed from Suomen Kanuuna Oy without any additional
+ * modifications.
+ *
+ * Supplemented terms under GNU Affero General Public License version 3
+ * section 7
+ *
+ * Origin of the software must be attributed to Suomen Kanuuna Oy. Any modified
+ * versions must be marked as "Modified version of" The Program.
+ *
+ * Names of the licensors and authors may not be used for publicity purposes.
+ *
+ * No rights are granted for use of trade names, trademarks, or service marks
+ * which are in The Program if any.
+ *
+ * Licensee must indemnify licensors and authors for any liability that these
+ * contractual assumptions impose on licensors and authors.
+ *
+ * To the extent this program is licensed as part of the Commercial versions of
+ * Teragrep, the applicable Commercial License may apply to this file if you as
+ * a licensee so wish it.
+ */ -->
+| timechart eval(round(sales, 3)) as rounded_sales
\ No newline at end of file