more on config for demo

config/optional/core.entity_form_display.oc_event.volunteer_training_session.default.yml

@@ -0,0 +1,48 @@
+uuid: b512b25f-0fab-4582-88ee-ce7184c6b6c6
+langcode: en
+status: true
+dependencies:
+  config:
+    - opencase_entities.oc_event_type.volunteer_training_session
+  module:
+    - datetime
+id: oc_event.volunteer_training_session.default
+targetEntityType: oc_event
+bundle: volunteer_training_session
+mode: default
+content:
+  activity_date_time:
+    type: datetime_default
+    weight: 1
+    region: content
+    settings: {  }
+    third_party_settings: {  }
+  attendees:
+    type: entity_reference_autocomplete
+    weight: 3
+    region: content
+    settings:
+      match_operator: CONTAINS
+      match_limit: 10
+      size: 60
+      placeholder: ''
+    third_party_settings: {  }
+  description:
+    type: string_textarea
+    weight: 2
+    region: content
+    settings:
+      rows: 5
+      placeholder: ''
+    third_party_settings: {  }
+  name:
+    type: string_textfield
+    weight: 0
+    region: content
+    settings:
+      size: 60
+      placeholder: ''
+    third_party_settings: {  }
+hidden:
+  status: true
+  user_id: true

config/optional/core.entity_view_display.oc_event.volunteer_training_session.default.yml

@@ -0,0 +1,42 @@
+uuid: 2018da40-3ab6-436f-8f34-8544ac73fb29
+langcode: en
+status: true
+dependencies:
+  config:
+    - opencase_entities.oc_event_type.volunteer_training_session
+  module:
+    - datetime
+id: oc_event.volunteer_training_session.default
+targetEntityType: oc_event
+bundle: volunteer_training_session
+mode: default
+content:
+  activity_date_time:
+    type: datetime_default
+    label: above
+    settings:
+      timezone_override: ''
+      format_type: medium
+    third_party_settings: {  }
+    weight: 0
+    region: content
+  attendees:
+    type: entity_reference_label
+    label: above
+    settings:
+      link: true
+    third_party_settings: {  }
+    weight: 2
+    region: content
+  description:
+    type: basic_string
+    label: above
+    settings: {  }
+    third_party_settings: {  }
+    weight: 1
+    region: content
+hidden:
+  name: true
+  search_api_excerpt: true
+  status: true
+  user_id: true