> ## Documentation Index
> Fetch the complete documentation index at: https://docs.aseeflow.org/llms.txt
> Use this file to discover all available pages before exploring further.

# Extension Attributes

The following attributes are extension attributes for the `camunda` namespace `http://camunda.org/schema/1.0/cmmn`.

## assignee

<table class="table table-striped">
  <tr> <th>Description</th> <td> This attribute specifies a performer of a [Human Task](/reference/cmmn11/tasks/human-task). </td> </tr>
  <tr> <th>Type</th> <td><code>java.lang.String</code> or <code>org.camunda.bpm.engine.delegate.Expression</code></td> </tr>
  <tr> <th>Possible Values</th> <td> The name of a performer as <code>java.lang.String</code> or an expression which evaluates to a <code>java.lang.String</code> e.g., <code>\$\{perfomer}</code> </td> </tr>
  <tr> <th>Default Value</th> <td>–</td> </tr>
  <tr> <th>CMMN 1.1 Elements</th> <td> [Human Task](/reference/cmmn11/tasks/human-task) </td> </tr>
</table>

## candidateGroups

<table class="table table-striped">
  <tr> <th>Description</th> <td> This attribute specifies which group(s) will be candidate for performing the [Human Task](/reference/cmmn11/tasks/human-task). </td> </tr>
  <tr> <th>Type</th> <td><code>java.lang.String</code> or <code>org.camunda.bpm.engine.delegate.Expression</code></td> </tr>
  <tr> <th>Possible Values</th> <td> Comma separated list of group ids as <code>java.lang.String</code> or expressions that evaluate to a <code>java.lang.String</code> or a <code>java.util.Collection</code> of <code>java.lang.String</code>, e.g., <code>management</code> or <code>management, \$\{accountancyGroupId()}</code> </td> </tr>
  <tr> <th>Default Value</th> <td>–</td> </tr>
  <tr> <th>CMMN 1.1 Elements</th> <td> [Human Task](/reference/cmmn11/tasks/human-task) </td> </tr>
</table>

## candidateUsers

<table class="table table-striped">
  <tr> <th>Description</th> <td> This attribute specifies which user(s) will be candidate for performing the [Human Task](/reference/cmmn11/tasks/human-task). </td> </tr>
  <tr> <th>Type</th> <td><code>java.lang.String</code> or <code>org.camunda.bpm.engine.delegate.Expression</code></td> </tr>
  <tr> <th>Possible Values</th> <td> Comma separated list of user ids as <code>java.lang.String</code> or expressions that evaluate to a <code>java.lang.String</code> or a <code>java.util.Collection</code> of <code>java.lang.String</code>, e.g., <code>kermit, gonzo</code> or <code>\$\{ldapService.findAllSales()}</code> </td> </tr>
  <tr> <th>Default Value</th> <td>–</td> </tr>
  <tr> <th>CMMN 1.1 Elements</th> <td> [Human Task](/reference/cmmn11/tasks/human-task) </td> </tr>
</table>

## caseBinding

<table class="table table-striped">
  <tr> <th>Description</th> <td> This attribute specifies which case definition version should be called inside the case task. </td> </tr>
  <tr> <th>Type</th> <td><code>java.lang.String</code></td> </tr>
  <tr> <th>Possible Values</th> <td> <code>latest</code>, <code>deployment</code>, <code>version</code> </td> </tr>
  <tr> <th>Constraints</th> <td colspan="2"> If the value is set to <code>version</code> the attribute [camunda:caseVersion](/reference/cmmn11/custom-extensions/camunda-attributes#caseversion) is required, see [Case Binding](/reference/cmmn11/custom-extensions/camunda-attributes#casebinding) for more information. </td> </tr>
  <tr> <th>Default Value</th> <td>–</td> </tr>
  <tr> <th>CMMN 1.1 Elements</th> <td> [Case Task](/reference/cmmn11/tasks/case-task) </td> </tr>
</table>

## caseTenantId

<table class="table table-striped">
  <tr> <th>Description</th> <td> The attribute specifies the tenant id of the case definition which is to be resolved by a case task, see [Case Tenant Id](/reference/cmmn11/tasks/case-task#case-tenant-id) for more information. </td> </tr>
  <tr> <th>Type</th> <td><code>java.lang.String</code> or <code>org.camunda.bpm.engine.delegate.Expression</code></td> </tr>
  <tr> <th>Possible Values</th> <td> A concrete tenant id or an expression which evaluates to a <code>java.lang.String</code> e.g., <code>\$\{caseExecution.tenantId}</code> </td> </tr>
  <tr> <th>Default Value</th> <td>–</td> </tr>
  <tr> <th>CMMN 1.1 Elements</th> <td> [Case Task](/reference/cmmn11/tasks/case-task) </td> </tr>
</table>

## caseVersion

<table class="table table-striped">
  <tr> <th>Description</th> <td> This attribute <strong>explicitly</strong> defines which case definition version should be called inside the case task. </td> </tr>
  <tr> <th>Type</th> <td><code>java.lang.Integer</code> or <code>org.camunda.bpm.engine.delegate.Expression</code></td> </tr>
  <tr> <th>Possible Values</th> <td> All deployed version numbers of the case definition to call or an expression which evaluates to a <code>java.lang.Integer</code> </td> </tr>
  <tr> <th>Default Value</th> <td>–</td> </tr>
  <tr> <th>CMMN 1.1 Elements</th> <td> [Case Task](/reference/cmmn11/tasks/case-task) </td> </tr>
</table>

## class

<table class="table table-striped">
  <tr> <th>Description</th> <td> The attribute specifies which Java class will be executed at runtime. The stated class must implement a [Java delegate](/user-guide/process-engine/delegation-code#java-delegate) interface. </td> </tr>
  <tr> <th>Type</th> <td><code>java.lang.String</code></td> </tr>
  <tr> <th>Possible Values</th> <td> Fully qualified Java class name of a class which implements a [Java Delegate](/user-guide/process-engine/delegation-code#java-delegate) interface, e.g., <code>org.camunda.bpm.MyJavaDelegate</code> </td> </tr>
  <tr> <th>Default Value</th> <td>–</td> </tr>
  <tr> <th>CMMN 1.1 Elements</th> <td> [camunda:variableListener](/reference/cmmn11/custom-extensions/camunda-elements#variablelistener), camunda:caseExecutionListener </td> </tr>
</table>

## decisionBinding

<table class="table table-striped">
  <tr> <th>Description</th> <td> This attribute specifies which decision definition version should be evaluated inside the [decision task](/reference/cmmn11/tasks/decision-task). </td> </tr>
  <tr> <th>Type</th> <td><code>java.lang.String</code></td> </tr>
  <tr> <th>Possible Values</th> <td> <code>latest</code>, <code>deployment</code>, <code>version</code> </td> </tr>
  <tr> <th>Constraints</th> <td colspan="2"> If the value is set to <code>version</code> the attribute [camunda:decisionVersion](/reference/cmmn11/custom-extensions/camunda-attributes#decisionversion) is required. </td> </tr>
  <tr> <th>Default Value</th> <td><code>latest</code></td> </tr>
  <tr> <th>CMMN 1.1 Elements</th> <td> [Decision Task](/reference/cmmn11/tasks/decision-task) </td> </tr>
</table>

## decisionTenantId

<table class="table table-striped">
  <tr> <th>Description</th> <td> The attribute specifies the tenant id of the decision definition which is to be evaluated by a decision task, see [Decision Tenant Id](/reference/cmmn11/tasks/decision-task#decision-tenant-id) for more information. </td> </tr>
  <tr> <th>Type</th> <td><code>java.lang.String</code> or <code>org.camunda.bpm.engine.delegate.Expression</code></td> </tr>
  <tr> <th>Possible Values</th> <td> A concrete tenant id or an expression which evaluates to a <code>java.lang.String</code> e.g., <code>\$\{caseExecution.tenantId}</code> </td> </tr>
  <tr> <th>Default Value</th> <td>–</td> </tr>
  <tr> <th>CMMN 1.1 Elements</th> <td> [Decision Task](/reference/cmmn11/tasks/decision-task) </td> </tr>
</table>

## decisionVersion

<table class="table table-striped">
  <tr> <th>Description</th> <td> This attribute <strong>explicitly</strong> defines which decision definition version should be called inside the [decision task](/reference/cmmn11/tasks/decision-task). </td> </tr>
  <tr> <th>Type</th> <td><code>java.lang.Integer</code> or <code>org.camunda.bpm.engine.delegate.Expression</code></td> </tr>
  <tr> <th>Possible Values</th> <td> All deployed version numbers of the decision definition to call or an expression which evaluates to a <code>java.lang.Integer</code> </td> </tr>
  <tr> <th>Default Value</th> <td>–</td> </tr>
  <tr> <th>CMMN 1.1 Elements</th> <td> [Decision Task](/reference/cmmn11/tasks/decision-task) </td> </tr>
</table>

## delegateExpression

<table class="table table-striped">
  <tr> <th>Description</th> <td> The attribute allows specification of an expression which must resolve to an object that implements the corresponding interface (see [delegation code](/user-guide/process-engine/delegation-code)). </td> </tr>
  <tr> <th>Type</th> <td><code>org.camunda.bpm.engine.delegate.Expression</code></td> </tr>
  <tr> <th>Possible Values</th> <td> Expression which evaluates to a Java class implementing a [delegation](/user-guide/process-engine/delegation-code) interface, e.g., <code>\$\{myVariableListener}</code>. </td> </tr>
  <tr> <th>Default Value</th> <td>–</td> </tr>
  <tr> <th>CMMN 1.1 Elements</th> <td> [camunda:variableListener](/reference/cmmn11/custom-extensions/camunda-elements#variablelistener), camunda:caseExecutionListener </td> </tr>
</table>

## dueDate

<table class="table table-striped">
  <tr> <th>Description</th> <td> This attribute specifies the initial due date of a [Human Task](/reference/cmmn11/tasks/human-task) when it is created. </td> </tr>
  <tr> <th>Type</th> <td><code>org.camunda.bpm.engine.delegate.Expression</code></td> </tr>
  <tr> <th>Possible Values</th> <td> An expression which evaluates to a <code>java.util.Date</code>, <code>java.util.String</code> ([ISO 8601](http://en.wikipedia.org/wiki/ISO_8601) formatted) or <code>null</code>, e.g., <code>\$\{dueDate}</code> </td> </tr>
  <tr> <th>Default Value</th> <td>–</td> </tr>
  <tr> <th>CMMN 1.1 Elements</th> <td> [Human Task](/reference/cmmn11/tasks/human-task) </td> </tr>
</table>

## expression

<table class="table table-striped">
  <tr> <th>Description</th> <td> The attribute defines an expression which will be evaluated at runtime. </td> </tr>
  <tr> <th>Type</th> <td><code>org.camunda.bpm.engine.delegate.Expression</code></td> </tr>
  <tr> <th>Possible Values</th> <td> Expression, e.g., <code>\$\{gender == 'male' ? 'Mr.' : 'Mrs.'}</code> or <code>#\{printer.printMessage()}</code> </td> </tr>
  <tr> <th>Default Value</th> <td>–</td> </tr>
  <tr> <th>CMMN 1.1 Elements</th> <td> [camunda:variableListener](/reference/cmmn11/custom-extensions/camunda-elements#variablelistener), camunda:caseExecutionListener </td> </tr>
</table>

## formKey

<table class="table table-striped">
  <tr> <th>Description</th> <td> This attribute specifies a form resource. See [task forms](/user-guide/task-forms) for more information. </td> </tr>
  <tr> <th>Type</th> <td><code>java.lang.String</code></td> </tr>
  <tr> <th>Possible Values</th> <td> A <code>java.lang.String</code> of a form resource which can be evaluated by the [Tasklist](/webapps/tasklist) </td> </tr>
  <tr> <th>Default Value</th> <td>–</td> </tr>
  <tr> <th>CMMN 1.1 Elements</th> <td> [Human Task](/reference/cmmn11/tasks/human-task) </td> </tr>
</table>

## historyTimeToLive

<table class="table table-striped">
  <tr> <th>Description</th> <td> The attribute specifies the history time to live (in days) for the case definition. It is used within [History cleanup](/user-guide/process-engine/history/history-cleanup). </td> </tr>
  <tr> <th>Type</th> <td><code>java.lang.Integer or java.lang.String</code></td> </tr>
  <tr> <th>Possible Values</th> <td> Any non-negative integer number or string containing a time in days defined by the ISO-8601 date format. </td> </tr>
  <tr> <th>Default Value</th> <td>null - means that case definition history won't ever be removed during history cleanup run</td> </tr>
  <tr> <th>CMMN 1.1 Elements</th> <td> Case </td> </tr>
</table>

## mapDecisionResult

<table class="table table-striped">
  <tr> <th>Description</th> <td> The attribute references which [built-in Decision Result Mapper](/user-guide/process-engine/decisions/bpmn-cmmn#predefined-mapping-of-the-decision-result) is used to pass the result of an evaluated decision to a case variable. It should be used in combination with [camunda:resultVariable](/reference/cmmn11/custom-extensions/camunda-attributes#resultvariable). </td> </tr>
  <tr> <th>Type</th> <td><code>java.lang.String</code></td> </tr>
  <tr> <th>Possible Values</th> <td> singleEntry, singleResult, collectEntries, resultList </td> </tr>
  <tr> <th>Default Value</th> <td>resultList</td> </tr>
  <tr> <th>CMMN 1.1 Elements</th> <td> [Decision Task](/reference/cmmn11/tasks/decision-task) </td> </tr>
</table>

## priority

<table class="table table-striped">
  <tr> <th>Description</th> <td> This attribute specifies the initial priority of a [Human Task](/reference/cmmn11/tasks/human-task) when it is created. </td> </tr>
  <tr> <th>Type</th> <td><code>org.camunda.bpm.engine.delegate.Expression</code></td> </tr>
  <tr> <th>Possible Values</th> <td> An expression which evaluates to a <code>java.lang.Number</code> or a <code>java.lang.String</code> which represents a number or <code>null</code>, e.g., <code>\$\{priority}</code> </td> </tr>
  <tr> <th>Default Value</th> <td>–</td> </tr>
  <tr> <th>CMMN 1.1 Elements</th> <td> [Human Task](/reference/cmmn11/tasks/human-task) </td> </tr>
</table>

## processBinding

<table class="table table-striped">
  <tr> <th>Description</th> <td> This attribute specifies which process definition version should be called inside the process task. </td> </tr>
  <tr> <th>Type</th> <td><code>java.lang.String</code></td> </tr>
  <tr> <th>Possible Values</th> <td> <code>latest</code>, <code>deployment</code>, <code>version</code> </td> </tr>
  <tr> <th>Constraints</th> <td colspan="2"> If the value is set to <code>version</code> the attribute [camunda:processVersion](/reference/cmmn11/custom-extensions/camunda-attributes#processversion) is required, see [Process Binding](/reference/cmmn11/custom-extensions/camunda-attributes#processbinding) for more information. </td> </tr>
  <tr> <th>Default Value</th> <td>–</td> </tr>
  <tr> <th>CMMN 1.1 Elements</th> <td> [Process Task](/reference/cmmn11/tasks/process-task) </td> </tr>
</table>

## processTenantId

<table class="table table-striped">
  <tr> <th>Description</th> <td> The attribute specifies the tenant id of the process definition which is to be resolved by a process task, see [Process Tenant Id](/reference/cmmn11/tasks/process-task#process-tenant-id) for more information. </td> </tr>
  <tr> <th>Type</th> <td><code>java.lang.String</code> or <code>org.camunda.bpm.engine.delegate.Expression</code></td> </tr>
  <tr> <th>Possible Values</th> <td> A concrete tenant id or an expression which evaluates to a <code>java.lang.String</code> e.g., <code>\$\{caseExecution.tenantId}</code> </td> </tr>
  <tr> <th>Default Value</th> <td>–</td> </tr>
  <tr> <th>CMMN 1.1 Elements</th> <td> [Process Task](/reference/cmmn11/tasks/process-task) </td> </tr>
</table>

## processVersion

<table class="table table-striped">
  <tr> <th>Description</th> <td> This attribute <strong>explicitly</strong> defines which process definition version should be called inside the process task. </td> </tr>
  <tr> <th>Type</th> <td><code>java.lang.Integer</code> or <code>org.camunda.bpm.engine.delegate.Expression</code></td> </tr>
  <tr> <th>Possible Values</th> <td> All deployed version numbers of the process definition to call or an expression which evaluates to a <code>java.lang.Integer</code> </td> </tr>
  <tr> <th>Default Value</th> <td>–</td> </tr>
  <tr> <th>CMMN 1.1 Elements</th> <td> [Process Task](/reference/cmmn11/tasks/process-task) </td> </tr>
</table>

## repeatOnStandardEvent

<table class="table table-striped">
  <tr> <th>Description</th> <td> The attribute specifies a transition in which the repetition rule of a stage or task is evaluated. <br /> <br /> Note that this attribute is omitted when the stage or task to repeat has at least one entry criterion. </td> </tr>
  <tr> <th>Type</th> <td><code>java.lang.String</code></td> </tr>
  <tr> <th>Possible Values</th> <td> <code>create</code>, <code>enable</code>, <code>disable</code>, <code>reenable</code>, <code>manualStart</code>, <code>start</code>, <code>complete</code>, <code>exit</code> </td> </tr>
  <tr> <th>Default Value</th> <td><code>complete</code></td> </tr>
  <tr> <th>CMMN 1.1 Elements</th> <td> [Repetition Rule](/reference/cmmn11/markers/repetition-rule) </td> </tr>
</table>

## resource

<table class="table table-striped">
  <tr> <th>Description</th> <td> The attribute specifies an external resource. The resource can be part of the deployment or exists in the classpath. To specify the type of resource, a URL scheme like prefix <code>deployment://</code> resp. <code>classpath://</code> can be supplied. If the scheme is omitted, it is assumed that the resource exists in the classpath. </td> </tr>
  <tr> <th>Type</th> <td><code>java.lang.String</code> or <code>org.camunda.bpm.engine.delegate.Expression</code></td> </tr>
  <tr> <th>Possible Values</th> <td> The path to a resource or an expression which returns the path. Optional the path can start with an URL like scheme <code>classpath://</code> or <code>deployment://</code> to specify where to find the resource. If omitted the resource is assumed to exists in the classpath. </td> </tr>
  <tr> <th>Default Value</th> <td>–</td> </tr>
  <tr> <th>CMMN 1.1 Elements</th> <td> [camunda:variableListener](/reference/cmmn11/custom-extensions/camunda-elements#variablelistener), camunda:caseExecutionListener </td> </tr>
</table>

## resultVariable

<table class="table table-striped">
  <tr> <th>Description</th> <td> The attribute specifies the case variable in which the returned decision result is saved. It can be used in combination with [camunda:mapDecisionResult](/reference/cmmn11/custom-extensions/camunda-attributes#mapdecisionresult) to define a decision result mapping. </td> </tr>
  <tr> <th>Type</th> <td><code>java.lang.String</code></td> </tr>
  <tr> <th>Possible Values</th> <td> The name of a case variable to save the return value </td> </tr>
  <tr> <th>Default Value</th> <td>–</td> </tr>
  <tr> <th>CMMN 1.1 Elements</th> <td> [Decision Task](/reference/cmmn11/tasks/decision-task) </td> </tr>
</table>

## variableName

<table class="table table-striped">
  <tr> <th>Description</th> <td> The variable name that is attached to element [camunda:variableOnPart](/reference/cmmn11/custom-extensions/camunda-elements#variableonpart) for which the sentry listens. Sentry is evaluated when the variable event transition occurs. </td> </tr>
  <tr> <th>Type</th> <td><code>java.lang.String</code></td> </tr>
  <tr> <th>ASEE Flow extension element</th> <td> [camunda:variableOnPart](/reference/cmmn11/custom-extensions/camunda-elements#variableonpart) </td> </tr>
</table>