diff --git a/engine-rest/engine-rest-openapi/src/main/templates/lib/commons/historic-external-task-log-query-params.ftl b/engine-rest/engine-rest-openapi/src/main/templates/lib/commons/historic-external-task-log-query-params.ftl
new file mode 100644
index 00000000000..8b6a06c0fe5
--- /dev/null
+++ b/engine-rest/engine-rest-openapi/src/main/templates/lib/commons/historic-external-task-log-query-params.ftl
@@ -0,0 +1,107 @@
+<#-- Generated From File: camunda-docs-manual/public/reference/rest/history/external-task-log/get-external-task-log-query/index.html -->
+
+<#assign sortByValues = [
+  '"timestamp"',
+  '"externalTaskId"',
+  '"topicName"',
+  '"workerId"',
+  '"retries"',
+  '"priority"',
+  '"activityId"',
+  '"activityInstanceId"',
+  '"executionId"',
+  '"processInstanceId"',
+  '"processDefinitionId"',
+  '"processDefinitionKey"',
+  '"tenantId"'
+]>
+            
+<#assign params = {
+  "logId": {
+    "type": "string",
+    "desc": "Filter by historic external task log id."
+  },
+  "externalTaskId": {
+    "type": "string",
+    "desc": "Filter by external task id."
+  },
+  "topicName": {
+    "type": "string",
+    "desc": "Filter by an external task topic."
+  },
+  "workerId": {
+    "type": "string",
+    "desc": "Filter by the id of the worker that the task was most recently locked by."
+  },
+  "errorMessage": {
+    "type": "string",
+    "desc": "Filter by external task exception message."
+  },
+  "activityIdIn": {
+    "type": "array",
+    "itemType": "string",
+    "desc": "Only include historic external task logs which belong to one of the passed activity ids."
+  },
+  "activityInstanceIdIn": {
+    "type": "array",
+    "itemType": "string",
+    "desc": "Only include historic external task logs which belong to one of the passed activity
+             instance ids."
+  },
+  "executionIdIn": {
+    "type": "array",
+    "itemType": "string",
+    "desc": "Only include historic external task logs which belong to one of the passed execution ids."
+  },
+  "processInstanceId": {
+    "type": "string",
+    "desc": "Filter by process instance id."
+  },
+  "processDefinitionId": {
+    "type": "string",
+    "desc": "Filter by process definition id."
+  },
+  "processDefinitionKey": {
+    "type": "string",
+    "desc": "Filter by process definition key."
+  },
+  "tenantIdIn": {
+    "type": "array",
+    "itemType": "string",
+    "desc": "Only include historic external task log entries which belong to one of the passed and
+             comma-separated tenant ids."
+  },
+  "withoutTenantId": {
+    "type": "boolean",
+    "desc": "Only include historic external task log entries that belong to no tenant. Value may only
+             be `true`, as `false` is the default behavior."
+  },
+  "priorityLowerThanOrEquals": {
+    "type": "integer",
+    "format": "int64",
+    "desc": "Only include logs for which the associated external task had a priority lower than or
+             equal to the given value. Value must be a valid `long` value."
+  },
+  "priorityHigherThanOrEquals": {
+    "type": "integer",
+    "format": "int64",
+    "desc": "Only include logs for which the associated external task had a priority higher than or
+             equal to the given value. Value must be a valid `long` value."
+  },
+  "creationLog": {
+    "type": "boolean",
+    "desc": "Only include creation logs. Value may only be `true`, as `false` is the default behavior."
+  },
+  "failureLog": {
+    "type": "boolean",
+    "desc": "Only include failure logs. Value may only be `true`, as `false` is the default behavior."
+  },
+  "successLog": {
+    "type": "boolean",
+    "desc": "Only include success logs. Value may only be `true`, as `false` is the default behavior."
+  },
+  "deletionLog": {
+    "type": "boolean",
+    "desc": "Only include deletion logs. Value may only be `true`, as `false` is the default behavior."
+  }
+}>
diff --git a/engine-rest/engine-rest-openapi/src/main/templates/main.ftl b/engine-rest/engine-rest-openapi/src/main/templates/main.ftl
index a375cfafc4a..de7eb17048f 100644
--- a/engine-rest/engine-rest-openapi/src/main/templates/main.ftl
+++ b/engine-rest/engine-rest-openapi/src/main/templates/main.ftl
@@ -52,6 +52,7 @@
     {"name": "Historic Decision Definition"},
     {"name": "Historic Decision Instance"},
     {"name": "Historic Decision Requirements Definition"},
+    {"name": "Historic External Task Log"},
     {"name": "Historic Incident"},
     {"name": "Historic Job Log"},
     {"name": "Historic Process Definition"},
diff --git a/engine-rest/engine-rest-openapi/src/main/templates/models/org/camunda/bpm/engine/rest/dto/history/HistoricExternalTaskLogDto.ftl b/engine-rest/engine-rest-openapi/src/main/templates/models/org/camunda/bpm/engine/rest/dto/history/HistoricExternalTaskLogDto.ftl
new file mode 100644
index 00000000000..64872bec767
--- /dev/null
+++ b/engine-rest/engine-rest-openapi/src/main/templates/models/org/camunda/bpm/engine/rest/dto/history/HistoricExternalTaskLogDto.ftl
@@ -0,0 +1,143 @@
+<#-- Generated From File: camunda-docs-manual/public/reference/rest/history/external-task-log/get-external-task-log-query/index.html -->
+<#macro dto_macro docsUrl="">
+<@lib.dto >
+    
+    <@lib.property
+        name = "id"
+        type = "string"
+        desc = "The id of the log entry."
+    />
+    
+    <@lib.property
+        name = "externalTaskId"
+        type = "string"
+        desc = "The id of the external task."
+    />
+    
+    <@lib.property
+        name = "timestamp"
+        type = "string"
+        format = "date-time"
+        desc = "The time when the log entry has been written."
+    />
+    
+    <@lib.property
+        name = "topicName"
+        type = "string"
+        desc = "The topic name of the associated external task."
+    />
+    
+    <@lib.property
+        name = "workerId"
+        type = "string"
+        desc = "The id of the worker that posessed the most recent lock."
+    />
+    
+    <@lib.property
+        name = "retries"
+        type = "integer"
+        format = "int32"
+        desc = "The number of retries the associated external task has left."
+    />
+    
+    <@lib.property
+        name = "priority"
+        type = "integer"
+        format = "int64"
+        desc = "The execution priority the external task had when the log entry was created."
+    />
+    
+    <@lib.property
+        name = "errorMessage"
+        type = "string"
+        desc = "The message of the error that occurred by executing the associated external task."
+    />
+    
+    <@lib.property
+        name = "activityId"
+        type = "string"
+        desc = "The id of the activity on which the associated external task was created."
+    />
+    
+    <@lib.property
+        name = "activityInstanceId"
+        type = "string"
+        desc = "The id of the activity instance on which the associated external task was created."
+    />
+    
+    <@lib.property
+        name = "executionId"
+        type = "string"
+        desc = "The execution id on which the associated external task was created."
+    />
+    
+    <@lib.property
+        name = "processInstanceId"
+        type = "string"
+        desc = "The id of the process instance on which the associated external task was created."
+    />
+    
+    <@lib.property
+        name = "processDefinitionId"
+        type = "string"
+        desc = "The id of the process definition which the associated external task belongs to."
+    />
+    
+    <@lib.property
+        name = "processDefinitionKey"
+        type = "string"
+        desc = "The key of the process definition which the associated external task belongs to."
+    />
+    
+    <@lib.property
+        name = "tenantId"
+        type = "string"
+        desc = "The id of the tenant that this historic external task log entry belongs to."
+    />
+    
+    <@lib.property
+        name = "creationLog"
+        type = "boolean"
+        desc = "A flag indicating whether this log represents the creation of the associated
+                external task."
+    />
+    
+    <@lib.property
+        name = "failureLog"
+        type = "boolean"
+        desc = "A flag indicating whether this log represents the failed execution of the
+                associated external task."
+    />
+    
+    <@lib.property
+        name = "successLog"
+        type = "boolean"
+        desc = "A flag indicating whether this log represents the successful execution of the
+                associated external task."
+    />
+    
+    <@lib.property
+        name = "deletionLog"
+        type = "boolean"
+        desc = "A flag indicating whether this log represents the deletion of the associated
+                external task."
+    />
+    
+    <@lib.property
+        name = "removalTime"
+        type = "string"
+        format = "date-time"
+        desc = "The time after which this log should be removed by the History Cleanup job. Default
+                format `yyyy-MM-dd'T'HH:mm:ss.SSSZ`.  For further information, please see the [documentation](${docsUrl}/reference/rest/overview/date-format/)"
+    />
+    
+    <@lib.property
+        name = "rootProcessInstanceId"
+        type = "string"
+        desc = "The process instance id of the root process instance that initiated the process
+                containing this log."
+        last = true
+    />
+
+</@lib.dto>
+</#macro>
\ No newline at end of file
diff --git a/engine-rest/engine-rest-openapi/src/main/templates/models/org/camunda/bpm/engine/rest/dto/history/HistoricExternalTaskLogQueryDto.ftl b/engine-rest/engine-rest-openapi/src/main/templates/models/org/camunda/bpm/engine/rest/dto/history/HistoricExternalTaskLogQueryDto.ftl
new file mode 100644
index 00000000000..985ab10d1d1
--- /dev/null
+++ b/engine-rest/engine-rest-openapi/src/main/templates/models/org/camunda/bpm/engine/rest/dto/history/HistoricExternalTaskLogQueryDto.ftl
@@ -0,0 +1,19 @@
+<#-- Generated From File: camunda-docs-manual/public/reference/rest/history/external-task-log/post-external-task-log-query/index.html -->
+<#macro dto_macro docsUrl="">
+<@lib.dto desc = "A Historic External Task Log instance query which defines a list of Historic External Task Log instances">
+    
+    <#include "/lib/commons/historic-external-task-log-query-params.ftl">
+    <@lib.properties params/>    
+    "sorting": {
+       "type": "array",
+       "description": "An array of criteria to sort the result by. Each element of the array is
+                       an object that specifies one ordering. The position in the array
+                       identifies the rank of an ordering, i.e., whether it is primary, secondary,
+                       etc. Sorting has no effect for `count` endpoints.",
+       "items":
+         <#assign last = true>
+         <#include "/lib/commons/sort-props.ftl">
+    }
+
+</@lib.dto>
+</#macro>
\ No newline at end of file
diff --git a/engine-rest/engine-rest-openapi/src/main/templates/paths/history/external-task-log/count/get.ftl b/engine-rest/engine-rest-openapi/src/main/templates/paths/history/external-task-log/count/get.ftl
new file mode 100644
index 00000000000..0c13e8f1f8e
--- /dev/null
+++ b/engine-rest/engine-rest-openapi/src/main/templates/paths/history/external-task-log/count/get.ftl
@@ -0,0 +1,51 @@
+<#-- Generated From File: camunda-docs-manual/public/reference/rest/history/external-task-log/get-external-task-log-query-count/index.html -->
+<#macro endpoint_macro docsUrl="">
+{
+  <@lib.endpointInfo
+      id = "getHistoricExternalTaskLogsCount"
+      tag = "Historic External Task Log"
+      summary = "Get External Task Log Count"
+      desc = "Queries for the number of historic external task logs that fulfill the given
+              parameters.
+              Takes the same parameters as the
+              [Get External Task Logs](${docsUrl}/reference/rest/history/external-task-log/get-external-task-log-query/)
+              method."
+  />
+
+  "parameters" : [
+
+    <#assign last = true >
+    <#include "/lib/commons/historic-external-task-log-query-params.ftl" >
+    <@lib.parameters
+        object = params
+        last = last
+    />
+
+  ],
+
+  "responses": {
+
+    <@lib.response
+        code = "200"
+        dto = "CountResultDto"
+        desc = "Request successful."
+        examples = ['"example-1": {
+                       "summary": "GET `/history/external-task-log/count?externalTaskId=anExternalTaskId`",
+                       "description": "GET `/history/external-task-log/count?externalTaskId=anExternalTaskId`",
+                       "value": {
+                         "count": 1
+                       }
+                     }']
+    />
+
+    <@lib.response
+        code = "400"
+        dto = "ExceptionDto"
+        desc = "Returned if some of the query parameters are invalid."
+        last = true
+    />
+
+  }
+
+}
+</#macro>
\ No newline at end of file
diff --git a/engine-rest/engine-rest-openapi/src/main/templates/paths/history/external-task-log/count/post.ftl b/engine-rest/engine-rest-openapi/src/main/templates/paths/history/external-task-log/count/post.ftl
new file mode 100644
index 00000000000..cd15e122088
--- /dev/null
+++ b/engine-rest/engine-rest-openapi/src/main/templates/paths/history/external-task-log/count/post.ftl
@@ -0,0 +1,55 @@
+<#-- Generated From File: camunda-docs-manual/public/reference/rest/history/external-task-log/post-external-task-log-query-count/index.html -->
+<#macro endpoint_macro docsUrl="">
+{
+  <@lib.endpointInfo
+      id = "queryHistoricExternalTaskLogsCount"
+      tag = "Historic External Task Log"
+      summary = "Get External Task Log Count (POST)"
+      desc = "Queries for the number of historic external task logs that fulfill the given
+              parameters.
+              This method takes the same message body as the
+              [Get External Task Logs (POST)](${docsUrl}/reference/rest/history/external-task-log/post-external-task-log-query/)
+              method and therefore it is slightly more powerful than the
+              [Get External Task Log Count](${docsUrl}/reference/rest/history/external-task-log/get-external-task-log-query-count/)
+              method."
+  />
+
+  <@lib.requestBody
+      mediaType = "application/json"
+      dto = "HistoricExternalTaskLogQueryDto"
+      examples = ['"example-1": {
+                     "summary": "POST `/history/external-task-log/count`",
+                     "value": {
+                       "externalTaskId": "anExternalTaskId"
+                     }
+                   }']
+  />
+
+  "responses": {
+
+    <@lib.response
+        code = "200"
+        dto = "CountResultDto"
+        desc = "Request successful."
+        examples = ['"example-1": {
+                       "summary": "POST `/history/external-task-log/count`",
+                       "description": "POST `/history/external-task-log/count`",
+                       "value": {
+                         "count": 1
+                       }
+                     }']
+    />
+
+    <@lib.response
+        code = "400"
+        dto = "ExceptionDto"
+        desc = "Returned if some of the query parameters are invalid. See the
+                [Introduction](${docsUrl}/reference/rest/overview/#error-handling)
+                for the error response format."
+        last = true
+    />
+
+  }
+
+}
+</#macro>
\ No newline at end of file
diff --git a/engine-rest/engine-rest-openapi/src/main/templates/paths/history/external-task-log/get.ftl b/engine-rest/engine-rest-openapi/src/main/templates/paths/history/external-task-log/get.ftl
new file mode 100644
index 00000000000..5a570815e22
--- /dev/null
+++ b/engine-rest/engine-rest-openapi/src/main/templates/paths/history/external-task-log/get.ftl
@@ -0,0 +1,79 @@
+<#-- Generated From File: camunda-docs-manual/public/reference/rest/history/external-task-log/get-external-task-log-query/index.html -->
+<#macro endpoint_macro docsUrl="">
+{
+  <@lib.endpointInfo
+      id = "getHistoricExternalTaskLogs"
+      tag = "Historic External Task Log"
+      summary = "Get External Task Logs"
+      desc = "Queries for historic external task logs that fulfill the given parameters.
+              The size of the result set can be retrieved by using the
+              [Get External Task Log Count](${docsUrl}/reference/rest/history/external-task-log/get-external-task-log-query-count/)
+              method."
+  />
+
+  "parameters" : [
+
+    <#assign last = false >
+    <#include "/lib/commons/historic-external-task-log-query-params.ftl">
+    <@lib.parameters
+        object = params
+        last = last
+    />
+    <#include "/lib/commons/sort-params.ftl">
+    <#assign last = true >
+    <#include "/lib/commons/pagination-params.ftl">
+
+  ],
+
+  "responses": {
+
+    <@lib.response
+        code = "200"
+        dto = "HistoricExternalTaskLogDto"
+        array = true
+        desc = "Request successful."
+        examples = ['"example-1": {
+                       "summary": "GET `/history/external-task-log?externalTaskId=anExternalTaskId`",
+                       "description": "GET `/history/external-task-log?externalTaskId=anExternalTaskId`",
+                       "value": [
+                         {
+                           "id": "someId",
+                           "timestamp": "2017-01-15T15:22:20.000+0200",
+                           "externalTaskId": "anExternalTaskId",
+                           "topicName": "aTopicName",
+                           "workerId": "aWorkerId",
+                           "retries": 3,
+                           "priority": 5,
+                           "errorMessage": "An error occured!",
+                           "activityId": "externalServiceTask",
+                           "activityInstanceId": "externalServiceTask:15",
+                           "executionId": "anExecutionId",
+                           "processInstanceId": "aProcessInstanceId",
+                           "processDefinitionId": "aProcessDefinitionId",
+                           "processDefinitionKey": "aProcessDefinitionKey",
+                           "tenantId": null,
+                           "creationLog": false,
+                           "failureLog": true,
+                           "successLog": false,
+                           "deletionLog": false,
+                           "removalTime": "2018-02-10T14:33:19.000+0200",
+                           "rootProcessInstanceId": "aRootProcessInstanceId"
+                         }
+                       ]
+                     }']
+    />
+
+    <@lib.response
+        code = "400"
+        dto = "ExceptionDto"
+        desc = "Returned if some of the query parameters are invalid, for example if a `sortOrder`
+                parameter is supplied, but no `sortBy`. See the
+                [Introduction](${docsUrl}/reference/rest/overview/#error-handling)
+                for the error response format."
+        last = true
+    />
+
+  }
+
+}
+</#macro>
\ No newline at end of file
diff --git a/engine-rest/engine-rest-openapi/src/main/templates/paths/history/external-task-log/post.ftl b/engine-rest/engine-rest-openapi/src/main/templates/paths/history/external-task-log/post.ftl
new file mode 100644
index 00000000000..93068a527dd
--- /dev/null
+++ b/engine-rest/engine-rest-openapi/src/main/templates/paths/history/external-task-log/post.ftl
@@ -0,0 +1,77 @@
+<#-- Generated From File: camunda-docs-manual/public/reference/rest/history/external-task-log/post-external-task-log-query/index.html -->
+<#macro endpoint_macro docsUrl="">
+{
+  <@lib.endpointInfo
+      id = "queryHistoricExternalTaskLogs"
+      tag = "Historic External Task Log"
+      summary = "Get External Task Logs (POST)"
+      desc = "Queries for historic external task logs that fulfill the given parameters.
+              This method is slightly more powerful than the
+              [Get External Task Logs](${docsUrl}/reference/rest/history/external-task-log/get-external-task-log-query/)
+              method because it allows filtering by historic external task logs
+              values of the different types `String`, `Number` or `Boolean`."
+  />
+
+  <@lib.requestBody
+      mediaType = "application/json"
+      dto = "HistoricExternalTaskLogQueryDto"
+      examples = ['"example-1": {
+                     "summary": "POST `/history/external-task-log`",
+                     "value": {
+                       "externalTaskId": "anExternalTaskId"
+                     }
+                   }']
+  />
+
+  "responses": {
+
+    <@lib.response
+        code = "200"
+        dto = "HistoricExternalTaskLogDto"
+        array = true
+        desc = "Request successful."
+        examples = ['"example-1": {
+                       "summary": "POST `/history/external-task-log`",
+                       "description": "POST `/history/external-task-log`",
+                       "value": [
+                         {
+                           "id": "someId",
+                           "timestamp": "2017-01-15T15:22:20.000+0200",
+                           "externalTaskId": "anExternalTaskId",
+                           "topicName": "aTopicName",
+                           "workerId": "aWorkerId",
+                           "retries": 3,
+                           "priority": 5,
+                           "errorMessage": "An error occured!",
+                           "activityId": "externalServiceTask",
+                           "activityInstanceId": "externalServiceTask:15",
+                           "executionId": "anExecutionId",
+                           "processInstanceId": "aProcessInstanceId",
+                           "processDefinitionId": "aProcessDefinitionId",
+                           "processDefinitionKey": "aProcessDefinitionKey",
+                           "tenantId": null,
+                           "creationLog": false,
+                           "failureLog": true,
+                           "successLog": false,
+                           "deletionLog": false,
+                           "removalTime": "2018-02-10T14:33:19.000+0200",
+                           "rootProcessInstanceId": "aRootProcessInstanceId"
+                         }
+                       ]
+                     }']
+    />
+
+    <@lib.response
+        code = "400"
+        dto = "ExceptionDto"
+        desc = "Returned if some of the query parameters are invalid, for example if a `sortOrder`
+                parameter is supplied, but no `sortBy`. See the
+                [Introduction](${docsUrl}/reference/rest/overview/#error-handling)
+                for the error response format."
+        last = true
+    />
+
+  }
+
+}
+</#macro>
\ No newline at end of file
diff --git a/engine-rest/engine-rest-openapi/src/main/templates/paths/history/external-task-log/{id}/error-details/get.ftl b/engine-rest/engine-rest-openapi/src/main/templates/paths/history/external-task-log/{id}/error-details/get.ftl
new file mode 100644
index 00000000000..83c5ef865b3
--- /dev/null
+++ b/engine-rest/engine-rest-openapi/src/main/templates/paths/history/external-task-log/{id}/error-details/get.ftl
@@ -0,0 +1,54 @@
+<#-- Generated From File: camunda-docs-manual/public/reference/rest/history/external-task-log/get-external-task-log-error-details/index.html -->
+<#macro endpoint_macro docsUrl="">
+{
+  <@lib.endpointInfo
+      id = "getErrorDetailsHistoricExternalTaskLog"
+      tag = "Historic External Task Log"
+      summary = "Get External Task Log Error Details"
+      desc = "Retrieves the corresponding error details of the passed historic external task log
+              by id."
+  />
+
+  "parameters" : [
+
+      <@lib.parameter
+          name = "id"
+          location = "path"
+          type = "string"
+          required = true
+          desc = "The id of the historic external task log to get the error details for."
+          last = true
+      />
+
+  ],
+
+  "responses": {
+
+    <@lib.response
+        code = "200"
+        mediaType= "text/plain"
+        desc = "Request successful."
+        examples = ['"example-1": {
+                       "summary": "GET `history/external-task-log/someId/error-details`",
+                       "description": "GET `history/external-task-log/someId/error-details`",
+                       "value": "java.lang.RuntimeException: A exception message!
+                                  at org.camunda.bpm.pa.service.FailingDelegate.execute(FailingDelegate.java:10)
+                                  at org.camunda.bpm.engine.impl.delegate.JavaDelegateInvocation.invoke(JavaDelegateInvocation.java:34)
+                                  at org.camunda.bpm.engine.impl.delegate.DelegateInvocation.proceed(DelegateInvocation.java:37)
+                                  ..."
+                     }']
+    />
+
+    <@lib.response
+        code = "404"
+        dto = "ExceptionDto"
+        desc = "Historic external task log with given id does not exist. See the
+                [Introduction](${docsUrl}/reference/rest/overview/#error-handling)
+                for the error response format."
+        last = true
+    />
+
+  }
+
+}
+</#macro>
\ No newline at end of file
diff --git a/engine-rest/engine-rest-openapi/src/main/templates/paths/history/external-task-log/{id}/get.ftl b/engine-rest/engine-rest-openapi/src/main/templates/paths/history/external-task-log/{id}/get.ftl
new file mode 100644
index 00000000000..3cb2df18f44
--- /dev/null
+++ b/engine-rest/engine-rest-openapi/src/main/templates/paths/history/external-task-log/{id}/get.ftl
@@ -0,0 +1,71 @@
+<#-- Generated From File: camunda-docs-manual/public/reference/rest/history/external-task-log/get-external-task-log/index.html -->
+<#macro endpoint_macro docsUrl="">
+{
+  <@lib.endpointInfo
+      id = "getHistoricExternalTaskLog"
+      tag = "Historic External Task Log"
+      summary = "Get External Task Log"
+      desc = "Retrieves a historic external task log by id."
+  />
+
+  "parameters" : [
+
+      <@lib.parameter
+          name = "id"
+          location = "path"
+          type = "string"
+          required = true
+          desc = "The id of the log entry."
+          last = true
+      />
+
+  ],
+
+  "responses": {
+
+    <@lib.response
+        code = "200"
+        dto = "HistoricExternalTaskLogDto"
+        desc = "Request successful."
+        examples = ['"example-1": {
+                       "summary": "Status 200.",
+                       "description": "GET `/history/external-task-log/someId`",
+                       "value": {
+                         "id": "someId",
+                         "timestamp": "2017-01-15T15:22:20.000+0200",
+                         "externalTaskId": "anExternalTaskId",
+                         "topicName": "aTopicName",
+                         "workerId": "aWorkerId",
+                         "retries": 3,
+                         "priority": 5,
+                         "errorMessage": "An error occured!",
+                         "activityId": "externalServiceTask",
+                         "activityInstanceId": "externalServiceTask:15",
+                         "executionId": "anExecutionId",
+                         "processInstanceId": "aProcessInstanceId",
+                         "processDefinitionId": "aProcessDefinitionId",
+                         "processDefinitionKey": "aProcessDefinitionKey",
+                         "tenantId": null,
+                         "creationLog": false,
+                         "failureLog": true,
+                         "successLog": false,
+                         "deletionLog": false,
+                         "removalTime": "2018-02-10T14:33:19.000+0200",
+                         "rootProcessInstanceId": "aRootProcessInstanceId"
+                       }
+                     }']
+    />
+
+    <@lib.response
+        code = "404"
+        dto = "ExceptionDto"
+        desc = "Historic external task log with given id does not exist. See the
+                [Introduction](${docsUrl}/reference/rest/overview/#error-handling)
+                for the error response format."
+        last = true
+    />
+
+  }
+
+}
+</#macro>
\ No newline at end of file