data_base64 field name and any file size limit against a live Halo instance before relying on this action.
External DocumentationTo learn more, visit the Halo ITSM documentation.
Basic Parameters
| Parameter | Description |
|---|---|
| File Content | The base64-encoded content of the file to attach. |
| Filename | The name of the file to attach. |
| Ticket ID | The ID of the ticket. Can be obtained from the List Tickets action. |
Advanced Parameters
| Parameter | Description |
|---|---|
| Action ID | The ID of the ticket action to attach the file to, instead of the ticket itself. |
| Note | A note to attach to the file. |
Example Output
{
"third_party_id": "string",
"link": "string",
"content_type": "string",
"last_updated": "2026-10-22T06:41:52.087Z",
"id": 0,
"filename": "string",
"datecreated": "2026-10-22T06:41:52.087Z",
"note": "string",
"filesize": 0,
"type": 0,
"unique_id": 0,
"desc": "string",
"isimage": true,
"data": "string",
"ticket_id": 0,
"outcome_id": 0,
"user_id": 0,
"agent_id": 0,
"attachmentaction_id": 0,
"_canupdate": true,
"guid": "3fa85f64-5717-4562-b3fc-2c963f66afa6",
"image_upload_id": 0,
"image_upload_key": "string",
"file": "string",
"_enduserportalpdfprint": true,
"anon_outcomeid": 0,
"has_scanned": true,
"_warning": "string",
"_is_new_version": true,
"parent_name": "string",
"parent_desc": "string",
"version_count": 0,
"_alreadyuploaded": true,
"copy_from_id": 0,
"new_external_link": {
"id": 0,
"table_id": 0,
"module_id": 0,
"integration_name": "string",
"halo_id": 0,
"third_party_id": "string",
"third_party_desc": "string",
"third_party_type": "string",
"third_party_url": "string",
"third_party_assigned_to": "string",
"third_party_count": 0,
"primary": true,
"halo_desc": "string",
"halo_second_id": 0,
"halo_second_desc": "string",
"extra_match_field": "string",
"details_id": 0,
"third_party_secondary_id": "string",
"_warning": "string",
"third_party_status": "string",
"third_party_priority": "string",
"_match": true,
"populate_url": true,
"date_created": "2026-10-22T06:41:52.087Z",
"date_updated": "2026-10-22T06:41:52.087Z",
"subscription_id": "string",
"new_subscription_key": "string",
"subscription_expiry": "2026-10-22T06:41:52.087Z",
"_webhookaction": 0,
"revisions": 0,
"dont_move_existing_assets": true,
"chat_message_count": 0,
"third_party_additional_id": "string",
"description": "string",
"update_existing_link": true,
"filters": [
{
"id": 0,
"integration_id": 0,
"mapping_id": 0,
"mapping_name": "string",
"filter_field": "string",
"filter_type": 0,
"filter_value": "string",
"query_string": "string",
"_warning": "string",
"details_id": 0,
"value_type": 0,
"filter_operator": 0,
"filter_type2": 0,
"apply_client_side": true,
"mapping_type": 0
}
],
"parent_id": 0,
"child_links": [
"string"
],
"url_for_linked_entity": "string",
"url_for_linked_entity_caption": "string",
"icon_for_linked_entity_caption": "string"
},
"_match_thirdparty_id": "string",
"_match_additional_id": "string",
"_match_integration_id": 0,
"_match_integration_name": "string",
"import_details_id": 0,
"external_links": [
{
"id": 0,
"table_id": 0,
"module_id": 0,
"integration_name": "string",
"halo_id": 0,
"third_party_id": "string",
"third_party_desc": "string",
"third_party_type": "string",
"third_party_url": "string",
"third_party_assigned_to": "string",
"third_party_count": 0,
"primary": true,
"halo_desc": "string",
"halo_second_id": 0,
"halo_second_desc": "string",
"extra_match_field": "string",
"details_id": 0,
"third_party_secondary_id": "string",
"_warning": "string",
"third_party_status": "string",
"third_party_priority": "string",
"_match": true,
"populate_url": true,
"date_created": "2026-10-22T06:41:52.087Z",
"date_updated": "2026-10-22T06:41:52.087Z",
"subscription_id": "string",
"new_subscription_key": "string",
"subscription_expiry": "2026-10-22T06:41:52.087Z",
"_webhookaction": 0,
"revisions": 0,
"dont_move_existing_assets": true,
"chat_message_count": 0,
"third_party_additional_id": "string",
"description": "string",
"update_existing_link": true,
"filters": [
{
"id": 0,
"integration_id": 0,
"mapping_id": 0,
"mapping_name": "string",
"filter_field": "string",
"filter_type": 0,
"filter_value": "string",
"query_string": "string",
"_warning": "string",
"details_id": 0,
"value_type": 0,
"filter_operator": 0,
"filter_type2": 0,
"apply_client_side": true,
"mapping_type": 0
}
],
"parent_id": 0,
"child_links": [
"string"
],
"url_for_linked_entity": "string",
"url_for_linked_entity_caption": "string",
"icon_for_linked_entity_caption": "string"
}
],
"access_control": [
{
"id": 0,
"entity": "string",
"entity_id": 0,
"type": 0,
"agent_id": 0,
"user_id": 0,
"role_id": 0,
"team_id": 0,
"team_guid": "3fa85f64-5717-4562-b3fc-2c963f66afa6",
"department_id": 0,
"department_guid": "3fa85f64-5717-4562-b3fc-2c963f66afa6",
"name": "string",
"level": 0,
"_warning": "string",
"entity_name": "string",
"entity_text_id": "string",
"thirdparty_relational_id": "string"
}
],
"_start_transcription": true,
"_transcription_started": true,
"_transcription_is_new_action": true,
"processnow": true,
"_dont_fire_automations": true,
"migrate_to_s3": true,
"_isnewticket": true,
"showforusers": true,
"showonchild": true,
"showonrelated": true,
"data_base64": "string",
"already_posted": true,
"faultid": 0,
"_isimport": true,
"_importtype": "string",
"canned_text_copy": true,
"s3url": "string",
"att_link": "string",
"child_count": 0,
"parent_id": 0,
"linked_version_id": 0,
"allow_anon_upload": true,
"crmnote_id": 0,
"tickettype_id": 0,
"tickettype_guid": "string",
"validate_guid": "string",
"import_parentid": "string",
"folder_hierarchy": "string",
"access_control_level": 0,
"is_s3": true,
"field_id": 0,
"action_id": 0,
"doc_type": 0,
"expiry_date": "2026-10-22T06:41:52.087Z"
}