diff --git a/.classpath b/.classpath
index 88a6962..32eaa78 100644
--- a/.classpath
+++ b/.classpath
@@ -31,19 +31,16 @@
 			<attribute name="maven.pomderived" value="true"/>
 		</attributes>
 	</classpathentry>
-	<classpathentry kind="src" output="target/test-classes" path="target/generated-test-sources/test-annotations">
-		<attributes>
-			<attribute name="optional" value="true"/>
-			<attribute name="test" value="true"/>
-			<attribute name="maven.pomderived" value="true"/>
-			<attribute name="ignore_optional_problems" value="true"/>
-			<attribute name="m2e-apt" value="true"/>
-		</attributes>
-	</classpathentry>
 	<classpathentry kind="src" path="target/generated-sources/annotations">
 		<attributes>
 			<attribute name="optional" value="true"/>
 		</attributes>
 	</classpathentry>
+	<classpathentry kind="src" output="target/test-classes" path="target/generated-test-sources/test-annotations">
+		<attributes>
+			<attribute name="optional" value="true"/>
+			<attribute name="test" value="true"/>
+		</attributes>
+	</classpathentry>
 	<classpathentry kind="output" path="target/classes"/>
 </classpath>
diff --git a/src/main/java/org/gcube/informationsystem/service/InformationSystemService.java b/src/main/java/org/gcube/informationsystem/service/InformationSystemService.java
index ae5deca..7513c56 100644
--- a/src/main/java/org/gcube/informationsystem/service/InformationSystemService.java
+++ b/src/main/java/org/gcube/informationsystem/service/InformationSystemService.java
@@ -167,7 +167,7 @@ public class InformationSystemService {
 		switch(typeForClient) {
 		case "Boolean": tmp="boolean";
 			break;
-		case "Date": tmp="date";
+		case "Date": tmp="datetime";
 			break;
 		case "String": tmp="text";
 			break;
@@ -198,7 +198,7 @@ public class InformationSystemService {
 		
 		if(fp.isMandatory()) {
 			ValidationObjDTO vv = new ValidationObjDTO();
-			vv.setMessage("The field is required");
+			vv.setMessage("This field is required");
 			vv.setName("required");
 			vv.setValidator("required");
 			validations.add(vv);
@@ -211,6 +211,13 @@ public class InformationSystemService {
 			vv.setValidator("required");
 			validations.add(vv);
 		}
+		if(fp.getPropertyType().equals("Date")) {
+			ValidationObjDTO vv = new ValidationObjDTO();
+			vv.setMessage("A valid ISO datetime is required");
+			vv.setName("datetime");
+			vv.setValidator("this.validateDatetime()");
+			validations.add(vv);
+		}
 	
 		if(StringUtils.isNotEmpty(fp.getRegexp())) {
 			ValidationObjDTO vv = new ValidationObjDTO();
diff --git a/src/main/webapp/app/facet-composer/facet-composer.component.html b/src/main/webapp/app/facet-composer/facet-composer.component.html
index 715973b..24353a7 100644
--- a/src/main/webapp/app/facet-composer/facet-composer.component.html
+++ b/src/main/webapp/app/facet-composer/facet-composer.component.html
@@ -78,10 +78,9 @@
 												<ng-template #singlefield>
 													<mat-form-field> 
 													    <mat-label>{{prop.label}}</mat-label>
-														<input matInput formControlName="{{prop.name}}" id="{{prop.name}}" 
-															type="{{prop.type}}"/>
-														<mat-error>{{checkForPropErrors(facetTemplate.key,ind,prop)}}</mat-error>
-												</mat-form-field>
+														<input matInput formControlName="{{prop.name}}" id="{{prop.name}}" type="{{prop.type}}"/>
+													</mat-form-field>
+												 <mat-error style="display: inline-block;">{{checkForPropErrors(facetTemplate.key,ind,prop)}}</mat-error>
 												</ng-template>
 										</div>
 										</div>
@@ -118,7 +117,7 @@
 												</mat-form-field >
 												<mat-form-field  *ngIf="x.get('tipo')?.value === 'datetime'">
 											 		<mat-label for="val">value</mat-label>
-													<input style="width: 350px;" matInput formControlName="val" type="text" />
+													<input style="width: auto" matInput formControlName="val" type="text" />
 													<mat-error>{{checkForErrorsIn(facetTemplate.key,ind,i,'datetime')}}</mat-error>
 												</mat-form-field >
 												<mat-form-field  *ngIf="x.get('tipo')?.value === 'date'">
@@ -137,15 +136,6 @@
 													<mat-error>{{checkForErrorsIn(facetTemplate.key,ind,i,'float')}}</mat-error>
 												</mat-form-field >
 												
-											
-											<!--
-												    <div *ngIf="input.type === 'number' ">
-													    <input type="number">
-													</div>
-													<div *ngIf="inpyt.type === 'text' ">
-													    <input type="text">
-													</div>
-												-->
 												<button mat-stroked-button color="primary" style="margin-left: 12px;"
 												(click)="removeExtraProp(facetTemplate.key,ind,i)" >
 												Remove custom property</button>
diff --git a/src/main/webapp/app/facet-composer/facet-composer.component.ts b/src/main/webapp/app/facet-composer/facet-composer.component.ts
index 6038377..bce2ded 100644
--- a/src/main/webapp/app/facet-composer/facet-composer.component.ts
+++ b/src/main/webapp/app/facet-composer/facet-composer.component.ts
@@ -1,3 +1,4 @@
+/* eslint-disable @typescript-eslint/no-unused-vars */
 /* eslint-disable no-labels */
 /* eslint-disable no-useless-escape */
 /* eslint-disable @typescript-eslint/restrict-plus-operands */
@@ -6,7 +7,7 @@
 /* eslint-disable no-console */
 import { CommonModule, DatePipe } from '@angular/common';
 import { Component, Inject, OnInit } from '@angular/core';
-import { AbstractControl, FormArray, FormBuilder, FormControl, FormGroup, ReactiveFormsModule, Validators } from '@angular/forms';
+import { AbstractControl, FormArray, FormBuilder, FormControl, FormGroup, ReactiveFormsModule, ValidationErrors, ValidatorFn, Validators } from '@angular/forms';
 import { MAT_DIALOG_DATA, MatDialogModule, MatDialogRef } from '@angular/material/dialog';
 import { IContextNode } from 'app/services/i-context-node';
 import { IResource } from 'app/services/i-resource';
@@ -19,6 +20,7 @@ import { MatExpansionModule } from '@angular/material/expansion';
 import { IFacetComposer, IFacetProps } from './i-facet-composer';
 import { SharedModule } from 'app/shared/shared.module';
 import { MatSelectFilterModule } from 'mat-select-filter';
+import { isEmpty } from 'rxjs';
 
 @Component({
   standalone: true,
@@ -129,15 +131,17 @@ defaultValue={new Date().toISOString().substring(0, (new Date().toISOString().in
 				tipo:['']
 				
 				})
-			}	
-		
+			}
+				
 		get val():FormControl{
 				return this.fb.control({
+					updateOn:  'change'
 				})
 		}
 		
 		get props():FormGroup{
 			return this.fb.group({
+				updateOn:  'change'
 				})
 			}	
 		
@@ -159,12 +163,13 @@ defaultValue={new Date().toISOString().substring(0, (new Date().toISOString().in
 			this.getExtraPropsArray(denoFacet, indexFct).removeAt(index);
 		}
 		
+	
+		
 		updateExtraPropType(denoFacet:string, indexFct:number, index:number, newValue:string):void{
 			this.getExtraPropsArray(denoFacet, indexFct).controls[index].get('tipo')?.setValue(newValue);
 			const valFc:AbstractControl = this.getExtraPropsArray(denoFacet, indexFct).controls[index].get('val')!;
 			if(newValue==='boolean'){
 				valFc.setValue('');
-				//valFc.addValidators(Validators.pattern('^\s*(true|false)\s*$'))
 				valFc.setValue('false');
 				// eslint-disable-next-line no-useless-escape
 				valFc.setValidators([Validators.required,Validators.pattern('^\s*(true|false)\s*$')]);
@@ -172,8 +177,11 @@ defaultValue={new Date().toISOString().substring(0, (new Date().toISOString().in
 			if(newValue==='datetime'){
 				valFc.setValue('');
 				valFc.setValue(new Date().toISOString());
-				const patt = '\d{4}-[01]\d-[0-3]\dT[0-2]\d:[0-5]\d:[0-5]\d\.\d+([+-][0-2]\d:[0-5]\d|Z)';
-				valFc.setValidators([Validators.required,Validators.pattern(patt)]);
+				valFc.setValidators([Validators.required, this.validateDatetime()]);
+			}
+			if(newValue==='date'){
+				valFc.setValue('');
+				valFc.setValidators([Validators.required]);
 			}
 			if(newValue==='password'||newValue==='text'||newValue==='number'){
 				valFc.setValue('');
@@ -192,7 +200,16 @@ defaultValue={new Date().toISOString().substring(0, (new Date().toISOString().in
 		  }
 		  
 		 
-		
+		  private validateDatetime():ValidatorFn {
+			//  alert('prova!');
+		    return (control: AbstractControl): ValidationErrors |null => {
+       		const value = control.value;
+	        const isFormallyCorrect = /^(19|20)\d{2}-(0[1-9]|1[0,1,2])-(0[1-9]|[12][0-9]|3[01])T(0[0-9]|1[0-9]|2[0-4]):(0[0-9]|[1-5][0-9]):(0[0-9]|[1-5][0-9])\.[0-9]{3}Z$/.test(value);
+			const datetimeValid = isFormallyCorrect	&& this.isIsoDate(control.value);
+			alert('datetimeValid?...'+datetimeValid);
+			return !datetimeValid ? {datetimeIso:true}: null;
+		    }
+		  }
 		  
 		  checkForErrors(valFc:AbstractControl, inputType:string): string{
 			  let errorMsg: string;
@@ -201,37 +218,60 @@ defaultValue={new Date().toISOString().substring(0, (new Date().toISOString().in
 			  if(valFc.hasError('required')){
 				  errorMsg = 'The field must not be empty';
 			  }
-			  if(valFc.hasError('pattern')){
-				  errorMsg = ''+ valFc.value+'is not a correct value';
-				 if(!this.checkIfEmpty(valFc.value)&& inputType==='float'){
-					  errorMsg = 'input is not a decimal number (use . as a separator)';
-				 }
-				 if(!this.checkIfEmpty(valFc.value)&& inputType==='boolean'){
-					  errorMsg = 'please enter true or false';
-				 }
-				 if(!this.checkIfEmpty(valFc.value)&& inputType==='datetime'){
-					  errorMsg = 'datetime provided is not in ISO format';
-				 }
-				 if(!this.checkIfEmpty(valFc.value)&& inputType==='date'){
+			 if(!this.checkIfEmpty(valFc.value)&& inputType==='datetime'){
+						if(!this.isIsoDate(valFc.value)){
+					 				errorMsg = 'Date is not in correct ISO format';
+				 	}
+			 }else{
+					 if(valFc.hasError('pattern')){
+					  errorMsg = ''+ valFc.value+'is not a correct value';
+					 if(!this.checkIfEmpty(valFc.value)&& inputType==='float'){
+						  errorMsg = 'input is not a decimal number (use . as a separator)';
+					 }
+					 if(!this.checkIfEmpty(valFc.value)&& inputType==='boolean'){
+						  errorMsg = 'please enter true or false';
+					 }
+					if(!this.checkIfEmpty(valFc.value)&& inputType==='date'){
 					  errorMsg = 'date or date format is not correct';
-				 }
-				 
-			  }
+					  }
+				  }
+				}
 			  return errorMsg;
 		  }
 		  
+
+		  
+		 checkDatetime(denoFacet:string, indexFct:number, prop:IFacetProps):string{
+			 let errorMsg: string;
+			 // eslint-disable-next-line prefer-const
+			 errorMsg='';
+			 const valFc = this.getPropsGroup(denoFacet,indexFct).get(prop.name)!;
+			 
+			 if(!this.isIsoDate(valFc.value)){
+				 errorMsg = 'Date is not in correct ISO format';
+			 }
+			 
+			  return errorMsg;
+		  }
+		  
+		  isIsoDate(str:string):boolean {
+			  const d = new Date(str); 
+			  return d instanceof Date && !isNaN(d.getTime()) && d.toISOString()===str; // valid date 
+			}
+		  
 		 checkForPropErrors(denoFacet:string, indexFct:number, prop:IFacetProps):string{
-			 const abstractControl = this.getPropsGroup(denoFacet,indexFct).get(prop.name)!;
-			 //TODO: usare questi campi per costruire la validazione:
-			 //prop.validations
-			 for(let i=0; i<prop.validations.length; i++){ 
-				const valObj = prop.validations[i];
-				 valObj.message;
-				 valObj.validator;
-				 }
-				 
-				 
-			 return this.checkForErrors(abstractControl,prop.type);
+			 let errorMsg: string;
+			 // eslint-disable-next-line prefer-const
+			 errorMsg='';
+			 const valFc = this.getPropsGroup(denoFacet,indexFct).get(prop.name)!;
+						for(let i=0; i<prop.validations.length; i++){
+						const valObj = prop.validations[i];
+						if(valFc.hasError(valObj.validator)){
+							console.debug()
+						  errorMsg = valObj.message;
+					  }
+					} 
+			  return errorMsg;
 		  }
 		  
 		  checkForErrorsIn(denoFacet:string, indexFct:number, index:number, inputType:string):string{
@@ -295,8 +335,7 @@ defaultValue={new Date().toISOString().substring(0, (new Date().toISOString().in
 			  for(let i=0; i<props.length; i++){
 				  const prop=props[i];
 				  	if(prop.type==="datetime"){
-						const date = new Date();
-						fc = this.fb.control(date);
+						fc = this.fb.control(new Date().toISOString);
 					 }
 					 if(prop.type==="number"){
 						 fc = this.fb.control(0)
@@ -314,10 +353,10 @@ defaultValue={new Date().toISOString().substring(0, (new Date().toISOString().in
 							 }
 							 if(prop.validations[k].name==='pattern'){
 								 fc.addValidators(Validators.pattern(prop.pattern))
-								 //validations":[{"name":"required","validator":"required","message":"The field is required"}]
 							 }
 						 }
 					 }
+					
 					 if(prop.type==="typeprop"){
 						 propsFg.addControl("credentialsType",this.fb.control(''));
 						 propsFg.addControl("user",this.fb.control(''));
diff --git a/src/main/webapp/app/facet-composer/i-facet-composer.ts b/src/main/webapp/app/facet-composer/i-facet-composer.ts
index 30de01b..7832c94 100644
--- a/src/main/webapp/app/facet-composer/i-facet-composer.ts
+++ b/src/main/webapp/app/facet-composer/i-facet-composer.ts
@@ -22,5 +22,5 @@ export interface IFacetProps {
 export interface IValidation {
 	name: string;
 	validator: string;
-	message: boolean;
+	message: string;
 }