diff --git a/console2/src/api/org/project/index.ts b/console2/src/api/org/project/index.ts
index 416f118f7a..fa087dce6e 100644
--- a/console2/src/api/org/project/index.ts
+++ b/console2/src/api/org/project/index.ts
@@ -36,6 +36,7 @@ export enum ProjectVisibility {
 
 export interface ProjectEntryMetaUI {
     processList?: ColumnDefinition[];
+    childrenProcessList?: ColumnDefinition[];
 }
 
 export interface ProjectEntryMeta {
diff --git a/console2/src/components/organisms/ProcessActivity/index.tsx b/console2/src/components/organisms/ProcessActivity/index.tsx
index 008e97f44b..914d7af1c9 100644
--- a/console2/src/components/organisms/ProcessActivity/index.tsx
+++ b/console2/src/components/organisms/ProcessActivity/index.tsx
@@ -291,6 +291,8 @@ const ProcessActivity = (props: ExternalProps) => {
                     <ProcessChildrenActivity
                         instanceId={instanceId}
                         processStatus={process ? process.status : undefined}
+                        processOrgName={process ? process.orgName : undefined}
+                        processProjectName={process ? process.projectName : undefined}
                         loadingHandler={loadingHandler}
                         forceRefresh={refresh}
                         dataFetchInterval={dataFetchInterval}
diff --git a/console2/src/components/organisms/ProcessChildrenActivity/index.tsx b/console2/src/components/organisms/ProcessChildrenActivity/index.tsx
index ae65d95e84..e4d9db4d5c 100644
--- a/console2/src/components/organisms/ProcessChildrenActivity/index.tsx
+++ b/console2/src/components/organisms/ProcessChildrenActivity/index.tsx
@@ -19,7 +19,7 @@
  */
 
 import * as React from 'react';
-import { ConcordId, queryParams } from '../../../api/common';
+import { ConcordId, ConcordKey, queryParams } from '../../../api/common';
 import { Pagination } from '../../../state/data/processes';
 import {
     list as apiProcessList,
@@ -37,11 +37,14 @@ import {
     STATUS_COLUMN
 } from '../../molecules/ProcessList';
 import { useHistory, useLocation } from 'react-router';
-import { filtersToQuery, parseSearchFilter, ProcessSearchFilter } from '../ProcessListActivity';
+import { addBuiltInColumns, filtersToQuery, parseSearchFilter, ProcessSearchFilter } from '../ProcessListActivity';
 import { ProcessFilters } from '../../../api/process';
 import RequestErrorActivity from '../RequestErrorActivity';
 import { useCallback, useEffect, useRef, useState } from 'react';
 import { usePolling } from '../../../api/usePolling';
+import { get as apiGetProject, ProjectEntry } from "../../../api/org/project";
+import { useApi } from "../../../hooks/useApi";
+import { LoadingDispatch } from "../../../App";
 
 const COLUMNS = [
     STATUS_COLUMN,
@@ -55,6 +58,8 @@ interface ExternalProps {
     instanceId: ConcordId;
     loadingHandler: (inc: number) => void;
     processStatus?: ProcessStatus;
+    processOrgName?: ConcordKey;
+    processProjectName?: ConcordKey;
     forceRefresh: boolean;
     dataFetchInterval: number;
 }
@@ -64,8 +69,12 @@ const ProcessChildrenActivity = ({
     loadingHandler,
     processStatus,
     forceRefresh,
-    dataFetchInterval
+    dataFetchInterval,
+    processOrgName,
+    processProjectName
 }: ExternalProps) => {
+    const dispatch = React.useContext(LoadingDispatch);
+
     const isInitialMount = useRef(true);
     const location = useLocation();
     const history = useHistory();
@@ -74,6 +83,20 @@ const ProcessChildrenActivity = ({
         parseSearchFilter(location.search)
     );
 
+    const fetchProjectData = useCallback(() => {
+        if (!processOrgName || !processProjectName) {
+            return Promise.resolve(undefined);
+        }
+
+        return apiGetProject(processOrgName, processProjectName);
+    }, [processOrgName, processProjectName]);
+
+    const { data : project, error : projectError} = useApi<ProjectEntry | undefined>(fetchProjectData, {
+        fetchOnMount: true,
+        forceRequest: forceRefresh,
+        dispatch: dispatch
+    });
+
     useEffect(() => {
         if (isInitialMount.current) {
             isInitialMount.current = false;
@@ -117,15 +140,18 @@ const ProcessChildrenActivity = ({
         [history]
     );
 
+    const columns = addBuiltInColumns(project?.meta?.ui?.childrenProcessList) ?? COLUMNS;
+
     return (
         <>
             {error && <RequestErrorActivity error={error} />}
+            {projectError && <RequestErrorActivity error={projectError} />}
 
             <ProcessListWithSearch
                 processFilters={searchFilter.filters}
                 paginationFilter={searchFilter.pagination}
                 processes={data?.items}
-                columns={COLUMNS}
+                columns={columns}
                 loading={false}
                 refresh={onRefresh}
                 next={data?.next}
diff --git a/console2/src/components/organisms/ProcessListActivity/index.tsx b/console2/src/components/organisms/ProcessListActivity/index.tsx
index 157d72bdad..85316321f8 100644
--- a/console2/src/components/organisms/ProcessListActivity/index.tsx
+++ b/console2/src/components/organisms/ProcessListActivity/index.tsx
@@ -113,7 +113,7 @@ export const parseSearchFilter = (s: string): ProcessSearchFilter => {
     };
 };
 
-const addBuiltInColumns = (columns?: ColumnDefinition[]): ColumnDefinition[] | undefined => {
+export const addBuiltInColumns = (columns?: ColumnDefinition[]): ColumnDefinition[] | undefined => {
     if (!columns) {
         return;
     }
diff --git a/server/impl/src/main/java/com/walmartlabs/concord/server/process/ProcessResourceV2.java b/server/impl/src/main/java/com/walmartlabs/concord/server/process/ProcessResourceV2.java
index b86b19db9a..aa38e1359e 100644
--- a/server/impl/src/main/java/com/walmartlabs/concord/server/process/ProcessResourceV2.java
+++ b/server/impl/src/main/java/com/walmartlabs/concord/server/process/ProcessResourceV2.java
@@ -290,8 +290,8 @@ private ProcessFilter createProcessFilter(UUID orgId,
         List<MetadataFilter> metaFilters = MetadataUtils.parseMetadataFilters(uriInfo);
 
         // can't allow seq scans, we don't index PROCESS_QUEUE.META (yet?)
-        if (!metaFilters.isEmpty() && effectiveProjectId == null) {
-            throw new ValidationErrorsException("Process metadata filters require a project name or an ID to be included in the query.");
+        if (!metaFilters.isEmpty() && (effectiveProjectId == null && parentId == null)) {
+            throw new ValidationErrorsException("Process metadata filters require a project name or project ID or a parent process ID to be included in the query.");
         }
 
         return ProcessFilter.builder()