diff --git a/data-model/digitalobjects/0.1.0/digital-media-objects/schema/digital-entity.json b/data-model/digitalobjects/0.1.0/digital-media-objects/schema/digital-entity.json
index 5e66dff..cfd1804 100644
--- a/data-model/digitalobjects/0.1.0/digital-media-objects/schema/digital-entity.json
+++ b/data-model/digitalobjects/0.1.0/digital-media-objects/schema/digital-entity.json
@@ -157,6 +157,12 @@
       "items": {
         "$ref": "https://schemas.dissco.tech/schemas/digitalobjects/0.1.0/shared-models/entity-relationships.json"
       }
+    },
+    "agents": {
+      "type": "array",
+      "items": {
+        "$ref": "https://schemas.dissco.tech/schemas/digitalobjects/0.1.0/shared-models/agent.json"
+      }
     }
   },
   "required": [
diff --git a/data-model/digitalobjects/0.1.0/digital-specimens/schema/digital-specimen.json b/data-model/digitalobjects/0.1.0/digital-specimens/schema/digital-specimen.json
index 3602d52..7ea6316 100644
--- a/data-model/digitalobjects/0.1.0/digital-specimens/schema/digital-specimen.json
+++ b/data-model/digitalobjects/0.1.0/digital-specimens/schema/digital-specimen.json
@@ -25,6 +25,7 @@
       "description": "The timestamp that the object version was created in DiSSCo",
       "format": "date-time",
       "examples": [
+        "2023-10-02T12:31:34.806Z"
       ]
     },
     "ods:type": {
@@ -234,7 +235,7 @@
       ]
     },
     "???:recordedByAgent": {
-      "$ref": "https://schemas.dissco.tech/schemas/digitalobjects/0.1.0/shared-models/agent.json",
+      "$ref": "agent.json",
       "$comment": "Is this an option for the agent instead of adding a list?"
     },
     "dwc:recordedById": {
@@ -312,6 +313,12 @@
       "items": {
         "$ref": "https://schemas.dissco.tech/schemas/digitalobjects/0.1.0/digital-specimens/chronometric-age.json"
       }
+    },
+    "agents": {
+      "type": "array",
+      "items": {
+        "$ref": "https://schemas.dissco.tech/schemas/digitalobjects/0.1.0/shared-models/agent.json"
+      }
     }
   },
   "required": [
diff --git a/data-model/digitalobjects/0.1.0/digital-specimens/schema/events.json b/data-model/digitalobjects/0.1.0/digital-specimens/schema/events.json
index 897748d..8e4e733 100644
--- a/data-model/digitalobjects/0.1.0/digital-specimens/schema/events.json
+++ b/data-model/digitalobjects/0.1.0/digital-specimens/schema/events.json
@@ -1,7 +1,7 @@
 {
   "$id": "https://schemas.dissco.tech/schemas/digitalobjects/0.1.0/digital-specimens/events.json",
   "$schema": "https://json-schema.org/draft/2020-12/schema",
-  "$comment":"DigitalObject Version 0.1.0",
+  "$comment": "DigitalObject Version 0.1.0",
   "type": "object",
   "properties": {
     "???:eventName": {
@@ -97,6 +97,12 @@
     },
     "location": {
       "$ref": "https://schemas.dissco.tech/schemas/digitalobjects/0.1.0/digital-specimens/location.json"
+    },
+    "agents": {
+      "type": "array",
+      "items": {
+        "$ref": "https://schemas.dissco.tech/schemas/digitalobjects/0.1.0/shared-models/agent.json"
+      }
     }
   }
 }
\ No newline at end of file
diff --git a/data-model/digitalobjects/0.1.0/digital-specimens/schema/identifications.json b/data-model/digitalobjects/0.1.0/digital-specimens/schema/identifications.json
index 981d894..1a88e2c 100644
--- a/data-model/digitalobjects/0.1.0/digital-specimens/schema/identifications.json
+++ b/data-model/digitalobjects/0.1.0/digital-specimens/schema/identifications.json
@@ -1,7 +1,7 @@
 {
   "$id": "https://schemas.dissco.tech/schemas/digitalobjects/0.1.0/digital-specimens/identifications.json",
   "$schema": "https://json-schema.org/draft/2020-12/schema",
-  "$comment":"DigitalObject Version 0.1.0",
+  "$comment": "DigitalObject Version 0.1.0",
   "type": "object",
   "properties": {
     "dwc:identificationID": {
@@ -99,6 +99,12 @@
         "$ref": "https://schemas.dissco.tech/schemas/digitalobjects/0.1.0/shared-models/citations.json"
       }
     },
+    "agents": {
+      "type": "array",
+      "items": {
+        "$ref": "https://schemas.dissco.tech/schemas/digitalobjects/0.1.0/shared-models/agent.json"
+      }
+    },
     "taxonIdentifications": {
       "type": "array",
       "items": {
diff --git a/data-model/digitalobjects/0.1.0/digital-specimens/schema/location.json b/data-model/digitalobjects/0.1.0/digital-specimens/schema/location.json
index 4a32f0a..6198d09 100644
--- a/data-model/digitalobjects/0.1.0/digital-specimens/schema/location.json
+++ b/data-model/digitalobjects/0.1.0/digital-specimens/schema/location.json
@@ -254,6 +254,12 @@
         "???:preferredSpatialRepresentation": {
           "type": "string",
           "$comment": "Not part of DWC"
+        },
+        "agents": {
+          "type": "array",
+          "items": {
+            "$ref": "https://schemas.dissco.tech/schemas/digitalobjects/0.1.0/shared-models/agent.json"
+          }
         }
       }
     },
diff --git a/data-model/digitalobjects/0.1.0/digital-specimens/schema/material-entity.json b/data-model/digitalobjects/0.1.0/digital-specimens/schema/material-entity.json
index 1c90c8f..3bb6775 100644
--- a/data-model/digitalobjects/0.1.0/digital-specimens/schema/material-entity.json
+++ b/data-model/digitalobjects/0.1.0/digital-specimens/schema/material-entity.json
@@ -116,6 +116,12 @@
       "items": {
         "$ref": "https://schemas.dissco.tech/schemas/digitalobjects/0.1.0/digital-specimens/events.json"
       }
+    },
+    "agents": {
+      "type": "array",
+      "items": {
+        "$ref": "https://schemas.dissco.tech/schemas/digitalobjects/0.1.0/shared-models/agent.json"
+      }
     }
   }
 }
\ No newline at end of file
diff --git a/data-model/digitalobjects/0.1.0/shared-models/schema/agent.json b/data-model/digitalobjects/0.1.0/shared-models/schema/agent.json
index 7c2a6fa..404b204 100644
--- a/data-model/digitalobjects/0.1.0/shared-models/schema/agent.json
+++ b/data-model/digitalobjects/0.1.0/shared-models/schema/agent.json
@@ -6,35 +6,59 @@
   "properties": {
     "agentRole": {
       "type": "string",
+      "description": "Indicates the role of the agent",
       "examples": [
-        "collector"
+        "collector",
+        "preparer",
+        "identifier",
+        "recorder"
       ]
     },
     "agentType": {
       "type": "string",
+      "description": "Indicates the type of agent",
       "examples": [
         "machine",
         "human",
         "organisation"
       ]
     },
+    "agentId":{
+      "type": "string",
+      "description": "Primary identifier of the agent, additional identifiers can go in the identifiers array",
+      "examples": [
+        "https://orcid.org/0000-0002-1825-0097"
+      ]
+    },
     "agentName": {
       "type": "string",
+      "description": "Full name of the agent",
       "examples": [
         "John Smith"
       ]
     },
     "agentRoleBegan": {
       "type": "string",
-      "format": "date-time"
+      "description": "Date the agent began the role",
+      "examples": [
+        "2023-10-02T12:31:34.806Z"
+      ]
     },
     "agentRoleEnded": {
       "type": "string",
-      "format": "date-time"
+      "description": "Date the agent ended the role",
+      "examples": [
+        "2023-09-02T12:31:34.806Z"
+      ]
     },
     "agentRoleOrder": {
       "type": "integer",
-      "minimum": 0
+      "description": "Order of the agent in the role. Can be used to indicate the order of importance",
+      "minimum": 1,
+      "examples": [
+        1,
+        2
+      ]
     },
     "identifiers": {
       "type": "array",
@@ -44,6 +68,7 @@
     }
   },
   "required": [
+    "agentRole",
     "agentType",
     "agentName"
   ]
diff --git a/data-model/digitalobjects/0.1.0/shared-models/schema/assertions.json b/data-model/digitalobjects/0.1.0/shared-models/schema/assertions.json
index 3ead94f..bfd0169 100644
--- a/data-model/digitalobjects/0.1.0/shared-models/schema/assertions.json
+++ b/data-model/digitalobjects/0.1.0/shared-models/schema/assertions.json
@@ -36,6 +36,12 @@
     },
     "???:assertionRemarks": {
       "type": "string"
+    },
+    "agents": {
+      "type": "array",
+      "items": {
+        "$ref": "https://schemas.dissco.tech/schemas/digitalobjects/0.1.0/shared-models/agent.json"
+      }
     }
   },
   "required": [
diff --git a/data-model/digitalobjects/0.1.0/shared-models/schema/citations.json b/data-model/digitalobjects/0.1.0/shared-models/schema/citations.json
index 770857d..25e99b7 100644
--- a/data-model/digitalobjects/0.1.0/shared-models/schema/citations.json
+++ b/data-model/digitalobjects/0.1.0/shared-models/schema/citations.json
@@ -56,6 +56,12 @@
       "type": "boolean",
       "description": "Unclear yet",
       "$comment": "Unknown what this field should be"
+    },
+    "agents": {
+      "type": "array",
+      "items": {
+        "$ref": "https://schemas.dissco.tech/schemas/digitalobjects/0.1.0/shared-models/agent.json"
+      }
     }
   }
 }
\ No newline at end of file
diff --git a/data-model/digitalobjects/0.1.0/shared-models/schema/entity-relationships.json b/data-model/digitalobjects/0.1.0/shared-models/schema/entity-relationships.json
index c890b19..c6c5f7f 100644
--- a/data-model/digitalobjects/0.1.0/shared-models/schema/entity-relationships.json
+++ b/data-model/digitalobjects/0.1.0/shared-models/schema/entity-relationships.json
@@ -29,6 +29,12 @@
       "type": "string",
       "description": "The PID of the creator, this could be a Orcid(user), PID(machine) or ROR(organisation)",
       "$comment": "Not available in GBIF UM"
+    },
+    "agents": {
+      "type": "array",
+      "items": {
+        "$ref": "https://schemas.dissco.tech/schemas/digitalobjects/0.1.0/shared-models/agent.json"
+      }
     }
   },
   "required": [