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Extension Attributes

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

assignee

Description	This attribute specifies a performer of a Human Task.
Type	`java.lang.String` or `org.camunda.bpm.engine.delegate.Expression`
Possible Values	The name of a performer as `java.lang.String` or an expression which evaluates to a `java.lang.String` e.g., `${perfomer}`
Default Value	–
CMMN 1.1 Elements	Human Task

candidateGroups

Description	This attribute specifies which group(s) will be candidate for performing the Human Task.
Type	`java.lang.String` or `org.camunda.bpm.engine.delegate.Expression`
Possible Values	Comma separated list of group ids as `java.lang.String` or expressions that evaluate to a `java.lang.String` or a `java.util.Collection` of `java.lang.String`, e.g., `management` or `management, ${accountancyGroupId()}`
Default Value	–
CMMN 1.1 Elements	Human Task

candidateUsers

Description	This attribute specifies which user(s) will be candidate for performing the Human Task.
Type	`java.lang.String` or `org.camunda.bpm.engine.delegate.Expression`
Possible Values	Comma separated list of user ids as `java.lang.String` or expressions that evaluate to a `java.lang.String` or a `java.util.Collection` of `java.lang.String`, e.g., `kermit, gonzo` or `${ldapService.findAllSales()}`
Default Value	–
CMMN 1.1 Elements	Human Task

caseBinding

Description	This attribute specifies which case definition version should be called inside the case task.
Type	`java.lang.String`
Possible Values	`latest`, `deployment`, `version`
Constraints	If the value is set to `version` the attribute camunda:caseVersion is required, see Case Binding for more information.
Default Value	–
CMMN 1.1 Elements	Case Task

caseTenantId

Description	The attribute specifies the tenant id of the case definition which is to be resolved by a case task, see Case Tenant Id for more information.
Type	`java.lang.String` or `org.camunda.bpm.engine.delegate.Expression`
Possible Values	A concrete tenant id or an expression which evaluates to a `java.lang.String` e.g., `${caseExecution.tenantId}`
Default Value	–
CMMN 1.1 Elements	Case Task

caseVersion

Description	This attribute explicitly defines which case definition version should be called inside the case task.
Type	`java.lang.Integer` or `org.camunda.bpm.engine.delegate.Expression`
Possible Values	All deployed version numbers of the case definition to call or an expression which evaluates to a `java.lang.Integer`
Default Value	–
CMMN 1.1 Elements	Case Task

class

Description	The attribute specifies which Java class will be executed at runtime. The stated class must implement a Java delegate interface.
Type	`java.lang.String`
Possible Values	Fully qualified Java class name of a class which implements a Java Delegate interface, e.g., `org.camunda.bpm.MyJavaDelegate`
Default Value	–
CMMN 1.1 Elements	camunda:variableListener, camunda:caseExecutionListener

decisionBinding

Description	This attribute specifies which decision definition version should be evaluated inside the decision task.
Type	`java.lang.String`
Possible Values	`latest`, `deployment`, `version`
Constraints	If the value is set to `version` the attribute camunda:decisionVersion is required.
Default Value	`latest`
CMMN 1.1 Elements	Decision Task

decisionTenantId

Description	The attribute specifies the tenant id of the decision definition which is to be evaluated by a decision task, see Decision Tenant Id for more information.
Type	`java.lang.String` or `org.camunda.bpm.engine.delegate.Expression`
Possible Values	A concrete tenant id or an expression which evaluates to a `java.lang.String` e.g., `${caseExecution.tenantId}`
Default Value	–
CMMN 1.1 Elements	Decision Task

decisionVersion

Description	This attribute explicitly defines which decision definition version should be called inside the decision task.
Type	`java.lang.Integer` or `org.camunda.bpm.engine.delegate.Expression`
Possible Values	All deployed version numbers of the decision definition to call or an expression which evaluates to a `java.lang.Integer`
Default Value	–
CMMN 1.1 Elements	Decision Task

delegateExpression

Description	The attribute allows specification of an expression which must resolve to an object that implements the corresponding interface (see delegation code).
Type	`org.camunda.bpm.engine.delegate.Expression`
Possible Values	Expression which evaluates to a Java class implementing a delegation interface, e.g., `${myVariableListener}`.
Default Value	–
CMMN 1.1 Elements	camunda:variableListener, camunda:caseExecutionListener

dueDate

Description	This attribute specifies the initial due date of a Human Task when it is created.
Type	`org.camunda.bpm.engine.delegate.Expression`
Possible Values	An expression which evaluates to a `java.util.Date`, `java.util.String` (ISO 8601 formatted) or `null`, e.g., `${dueDate}`
Default Value	–
CMMN 1.1 Elements	Human Task

expression

Description	The attribute defines an expression which will be evaluated at runtime.
Type	`org.camunda.bpm.engine.delegate.Expression`
Possible Values	Expression, e.g., `${gender == 'male' ? 'Mr.' : 'Mrs.'}` or `#{printer.printMessage()}`
Default Value	–
CMMN 1.1 Elements	camunda:variableListener, camunda:caseExecutionListener

formKey

Description	This attribute specifies a form resource. See task forms for more information.
Type	`java.lang.String`
Possible Values	A `java.lang.String` of a form resource which can be evaluated by the Tasklist
Default Value	–
CMMN 1.1 Elements	Human Task

historyTimeToLive

Description	The attribute specifies the history time to live (in days) for the case definition. It is used within History cleanup.
Type	`java.lang.Integer or java.lang.String`
Possible Values	Any non-negative integer number or string containing a time in days defined by the ISO-8601 date format.
Default Value	null - means that case definition history won't ever be removed during history cleanup run
CMMN 1.1 Elements	Case

mapDecisionResult

Description	The attribute references which built-in Decision Result Mapper is used to pass the result of an evaluated decision to a case variable. It should be used in combination with camunda:resultVariable.
Type	`java.lang.String`
Possible Values	singleEntry, singleResult, collectEntries, resultList
Default Value	resultList
CMMN 1.1 Elements	Decision Task

priority

Description	This attribute specifies the initial priority of a Human Task when it is created.
Type	`org.camunda.bpm.engine.delegate.Expression`
Possible Values	An expression which evaluates to a `java.lang.Number` or a `java.lang.String` which represents a number or `null`, e.g., `${priority}`
Default Value	–
CMMN 1.1 Elements	Human Task

processBinding

Description	This attribute specifies which process definition version should be called inside the process task.
Type	`java.lang.String`
Possible Values	`latest`, `deployment`, `version`
Constraints	If the value is set to `version` the attribute camunda:processVersion is required, see Process Binding for more information.
Default Value	–
CMMN 1.1 Elements	Process Task

processTenantId

Description	The attribute specifies the tenant id of the process definition which is to be resolved by a process task, see Process Tenant Id for more information.
Type	`java.lang.String` or `org.camunda.bpm.engine.delegate.Expression`
Possible Values	A concrete tenant id or an expression which evaluates to a `java.lang.String` e.g., `${caseExecution.tenantId}`
Default Value	–
CMMN 1.1 Elements	Process Task

processVersion

Description	This attribute explicitly defines which process definition version should be called inside the process task.
Type	`java.lang.Integer` or `org.camunda.bpm.engine.delegate.Expression`
Possible Values	All deployed version numbers of the process definition to call or an expression which evaluates to a `java.lang.Integer`
Default Value	–
CMMN 1.1 Elements	Process Task

repeatOnStandardEvent

Description	The attribute specifies a transition in which the repetition rule of a stage or task is evaluated. Note that this attribute is omitted when the stage or task to repeat has at least one entry criterion.
Type	`java.lang.String`
Possible Values	`create`, `enable`, `disable`, `reenable`, `manualStart`, `start`, `complete`, `exit`
Default Value	`complete`
CMMN 1.1 Elements	Repetition Rule

resource

Description	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 `deployment://` resp. `classpath://` can be supplied. If the scheme is omitted, it is assumed that the resource exists in the classpath.
Type	`java.lang.String` or `org.camunda.bpm.engine.delegate.Expression`
Possible Values	The path to a resource or an expression which returns the path. Optional the path can start with an URL like scheme `classpath://` or `deployment://` to specify where to find the resource. If omitted the resource is assumed to exists in the classpath.
Default Value	–
CMMN 1.1 Elements	camunda:variableListener, camunda:caseExecutionListener

resultVariable

Description	The attribute specifies the case variable in which the returned decision result is saved. It can be used in combination with camunda:mapDecisionResult to define a decision result mapping.
Type	`java.lang.String`
Possible Values	The name of a case variable to save the return value
Default Value	–
CMMN 1.1 Elements	Decision Task

variableName

Description	The variable name that is attached to element camunda:variableOnPart for which the sentry listens. Sentry is evaluated when the variable event transition occurs.
Type	`java.lang.String`
Camunda extension element	camunda:variableOnPart