Resource Specification (ResourceSpec) table/entity reference (Microsoft Dynamics 365)

2025-08-29

Selection rule that allows the scheduling engine to select a number of resources from a pool of resources. The rules can be associated with a service.

Messages

The following table lists the messages for the Resource Specification (ResourceSpec) table. Messages represent operations that can be performed on the table. They may also be events.

Name Is Event?	Web API Operation	SDK for .NET
`Associate` Event: True	Associate records	Associate records
`Create` Event: False	`POST` /resourcespecs See Create	Create records
`CreateMultiple` Event: True	CreateMultiple	CreateMultipleRequest
`Delete` Event: False	`DELETE` /resourcespecs(resourcespecid) See Delete	Delete records
`Disassociate` Event: True	Disassociate records	Disassociate records
`Retrieve` Event: False	`GET` /resourcespecs(resourcespecid) See Retrieve	Retrieve records
`RetrieveMultiple` Event: False	`GET` /resourcespecs See Query data	Query data
`Update` Event: False	`PATCH` /resourcespecs(resourcespecid) See Update	Update records
`UpdateMultiple` Event: True	UpdateMultiple	UpdateMultipleRequest
`Upsert` Event: False	`PATCH` /resourcespecs(resourcespecid) See Upsert a table row	UpsertRequest
`UpsertMultiple` Event: False	UpsertMultiple	UpsertMultipleRequest

Properties

The following table lists selected properties for the Resource Specification (ResourceSpec) table.

Property	Value
DisplayName	Resource Specification
DisplayCollectionName	Resource Specifications
SchemaName	`ResourceSpec`
CollectionSchemaName	`ResourceSpecs`
EntitySetName	`resourcespecs`
LogicalName	`resourcespec`
LogicalCollectionName	`resourcespecs`
PrimaryIdAttribute	`resourcespecid`
PrimaryNameAttribute	`name`
TableType	`Standard`
OwnershipType	`BusinessOwned`

Writable columns/attributes

These columns/attributes return true for either IsValidForCreate or IsValidForUpdate (usually both). Listed by SchemaName.

BusinessUnitId
Constraints
Description
EffortRequired
GroupObjectId
ImportSequenceNumber
Name
ObjectiveExpression
ObjectTypeCode
OverriddenCreatedOn
RequiredCount
ResourceSpecId
SameSite
TimeZoneRuleVersionNumber
UTCConversionTimeZoneCode

BusinessUnitId

Property	Value
Description	Unique identifier of the business unit with which the resource specification is associated.
DisplayName	Business Unit
IsValidForForm	False
IsValidForRead	True
LogicalName	`businessunitid`
RequiredLevel	SystemRequired
Type	Lookup
Targets	businessunit

Constraints

Property	Value
Description	Additional constraints, specified as expressions, which are used to filter a set of valid resources.
DisplayName	Constraints
IsValidForForm	False
IsValidForRead	True
LogicalName	`constraints`
RequiredLevel	None
Type	Memo
Format	TextArea
FormatName	TextArea
ImeMode	Auto
IsLocalizable	False
MaxLength	1073741823

Description

Property	Value
Description	Selection rule that allows the scheduling engine to select a number of resources from a pool of resources. The rules can be associated with a service.
DisplayName	Description
IsValidForForm	False
IsValidForRead	True
LogicalName	`description`
RequiredLevel	None
Type	Memo
Format	Text
FormatName	Text
ImeMode	Auto
IsLocalizable	False
MaxLength	2000

EffortRequired

Property	Value
Description	Number that specifies the minimal effort required from resources.
DisplayName	Effort Required
IsValidForForm	False
IsValidForRead	True
LogicalName	`effortrequired`
RequiredLevel	SystemRequired
Type	Double
ImeMode	Disabled
MaxValue	1000000000
MinValue	0
Precision	2

GroupObjectId

Property	Value
Description	Unique identifier of the scheduling group with which the resource specification is associated.
DisplayName	Group Object
IsValidForForm	False
IsValidForRead	True
LogicalName	`groupobjectid`
RequiredLevel	SystemRequired
Type	Uniqueidentifier

ImportSequenceNumber

Property	Value
Description	Sequence number of the import that created this record.
DisplayName	Import Sequence Number
IsValidForForm	False
IsValidForRead	True
LogicalName	`importsequencenumber`
RequiredLevel	None
Type	Integer
MaxValue	2147483647
MinValue	-2147483648

Name

Property	Value
Description	Name of the resource specification.
DisplayName	Name
IsValidForForm	False
IsValidForRead	True
LogicalName	`name`
RequiredLevel	SystemRequired
Type	String
Format	Text
FormatName	Text
ImeMode	Auto
IsLocalizable	False
MaxLength	160

ObjectiveExpression

Property	Value
Description	Search strategy to use for the resource specification.
DisplayName	Objective Expression
IsValidForForm	False
IsValidForRead	True
LogicalName	`objectiveexpression`
RequiredLevel	SystemRequired
Type	String
Format	Text
FormatName	Text
ImeMode	Auto
IsLocalizable	False
MaxLength	1073741823

ObjectTypeCode

Property	Value
Description	Type of entity with which the resource specification is associated.
DisplayName	Object Type
IsValidForForm	False
IsValidForRead	True
LogicalName	`objecttypecode`
RequiredLevel	SystemRequired
Type	EntityName

OverriddenCreatedOn

Property	Value
Description	Date and time that the record was migrated.
DisplayName	Record Created On
IsValidForForm	False
IsValidForRead	True
LogicalName	`overriddencreatedon`
RequiredLevel	None
Type	DateTime
CanChangeDateTimeBehavior	False
DateTimeBehavior	UserLocal
Format	DateOnly
ImeMode	Inactive
SourceTypeMask	0

RequiredCount

Property	Value
Description	Required number of resources that must be available. Use -1 to indicate all resources.
DisplayName	Required Count
IsValidForForm	False
IsValidForRead	True
LogicalName	`requiredcount`
RequiredLevel	SystemRequired
Type	Integer
MaxValue	1000000000
MinValue	-1

ResourceSpecId

Property	Value
Description	Unique identifier of the resource specification.
DisplayName	Resource Spec
IsValidForForm	False
IsValidForRead	True
LogicalName	`resourcespecid`
RequiredLevel	SystemRequired
Type	Uniqueidentifier

SameSite

Property	Value
Description	Value that specifies that all valid and available resources must be in the same site.
DisplayName	Same Site
IsValidForForm	False
IsValidForRead	True
LogicalName	`samesite`
RequiredLevel	None
Type	Boolean
GlobalChoiceName	`resourcespec_samesite`
DefaultValue	False
True Label	Yes
False Label	No

TimeZoneRuleVersionNumber

Property	Value
Description	For internal use only.
DisplayName	Time Zone Rule Version Number
IsValidForForm	False
IsValidForRead	True
LogicalName	`timezoneruleversionnumber`
RequiredLevel	None
Type	Integer
MaxValue	2147483647
MinValue	-1

UTCConversionTimeZoneCode

Property	Value
Description	Time zone code that was in use when the record was created.
DisplayName	UTC Conversion Time Zone Code
IsValidForForm	False
IsValidForRead	True
LogicalName	`utcconversiontimezonecode`
RequiredLevel	None
Type	Integer
MaxValue	2147483647
MinValue	-1

Read-only columns/attributes

These columns/attributes return false for both IsValidForCreate and IsValidForUpdate. Listed by SchemaName.

CreatedBy
CreatedOn
CreatedOnBehalfBy
ModifiedBy
ModifiedOn
ModifiedOnBehalfBy
OrganizationId
VersionNumber

CreatedBy

Property	Value
Description	Unique identifier of the user who created the resource specification.
DisplayName	Created By
IsValidForForm	False
IsValidForRead	True
LogicalName	`createdby`
RequiredLevel	None
Type	Lookup
Targets	systemuser

CreatedOn

Property	Value
Description	Date and time when the resource specification was created.
DisplayName	Created On
IsValidForForm	False
IsValidForRead	True
LogicalName	`createdon`
RequiredLevel	None
Type	DateTime
CanChangeDateTimeBehavior	False
DateTimeBehavior	UserLocal
Format	DateAndTime
ImeMode	Inactive
SourceTypeMask	0

CreatedOnBehalfBy

Property	Value
Description	Unique identifier of the delegate user who created the resourcespec.
DisplayName	Created By (Delegate)
IsValidForForm	False
IsValidForRead	True
LogicalName	`createdonbehalfby`
RequiredLevel	None
Type	Lookup
Targets	systemuser

ModifiedBy

Property	Value
Description	Unique identifier of the user who last modified the resource specification.
DisplayName	Modified By
IsValidForForm	False
IsValidForRead	True
LogicalName	`modifiedby`
RequiredLevel	None
Type	Lookup
Targets	systemuser

ModifiedOn

Property	Value
Description	Date and time when the resource specification was last modified.
DisplayName	Modified On
IsValidForForm	False
IsValidForRead	True
LogicalName	`modifiedon`
RequiredLevel	None
Type	DateTime
CanChangeDateTimeBehavior	False
DateTimeBehavior	UserLocal
Format	DateAndTime
ImeMode	Inactive
SourceTypeMask	0

ModifiedOnBehalfBy

Property	Value
Description	Unique identifier of the delegate user who last modified the resourcespec.
DisplayName	Modified By (Delegate)
IsValidForForm	False
IsValidForRead	True
LogicalName	`modifiedonbehalfby`
RequiredLevel	None
Type	Lookup
Targets	systemuser

OrganizationId

Property	Value
Description	Unique identifier of the organization with which the resource specification is associated.
DisplayName	Organization
IsValidForForm	False
IsValidForRead	True
LogicalName	`organizationid`
RequiredLevel	SystemRequired
Type	Lookup
Targets	organization

VersionNumber

Property	Value
Description	Version Number
DisplayName	Version Number
IsValidForForm	False
IsValidForRead	True
LogicalName	`versionnumber`
RequiredLevel	None
Type	BigInt
MaxValue	9223372036854775807
MinValue	-9223372036854775808

Many-to-One relationships

These relationships are many-to-one. Listed by SchemaName.

business_unit_resource_specs
constraint_based_group_resource_specs
lk_resourcespec_createdby
lk_resourcespec_createdonbehalfby
lk_resourcespec_modifiedby
lk_resourcespec_modifiedonbehalfby
organization_resource_specs
team_resource_specs

business_unit_resource_specs

One-To-Many Relationship: businessunit business_unit_resource_specs

Property	Value
ReferencedEntity	`businessunit`
ReferencedAttribute	`businessunitid`
ReferencingAttribute	`businessunitid`
ReferencingEntityNavigationPropertyName	`businessunitid`
IsHierarchical
CascadeConfiguration	Archive: `Restrict` Assign: `NoCascade` Delete: `Cascade` Merge: `NoCascade` Reparent: `NoCascade` RollupView: `NoCascade` Share: `NoCascade` Unshare: `NoCascade`

constraint_based_group_resource_specs

One-To-Many Relationship: constraintbasedgroup constraint_based_group_resource_specs

Property	Value
ReferencedEntity	`constraintbasedgroup`
ReferencedAttribute	`constraintbasedgroupid`
ReferencingAttribute	`groupobjectid`
ReferencingEntityNavigationPropertyName	`groupobjectid_constraintbasedgroup`
IsHierarchical
CascadeConfiguration	Archive: `NoCascade` Assign: `NoCascade` Delete: `Restrict` Merge: `NoCascade` Reparent: `NoCascade` RollupView: `NoCascade` Share: `NoCascade` Unshare: `NoCascade`

lk_resourcespec_createdby

One-To-Many Relationship: systemuser lk_resourcespec_createdby

Property	Value
ReferencedEntity	`systemuser`
ReferencedAttribute	`systemuserid`
ReferencingAttribute	`createdby`
ReferencingEntityNavigationPropertyName	`createdby`
IsHierarchical
CascadeConfiguration	Archive: `NoCascade` Assign: `NoCascade` Delete: `NoCascade` Merge: `NoCascade` Reparent: `NoCascade` RollupView: `NoCascade` Share: `NoCascade` Unshare: `NoCascade`

lk_resourcespec_createdonbehalfby

One-To-Many Relationship: systemuser lk_resourcespec_createdonbehalfby

Property	Value
ReferencedEntity	`systemuser`
ReferencedAttribute	`systemuserid`
ReferencingAttribute	`createdonbehalfby`
ReferencingEntityNavigationPropertyName	`createdonbehalfby`
IsHierarchical
CascadeConfiguration	Archive: `NoCascade` Assign: `NoCascade` Delete: `NoCascade` Merge: `NoCascade` Reparent: `NoCascade` RollupView: `NoCascade` Share: `NoCascade` Unshare: `NoCascade`

lk_resourcespec_modifiedby

One-To-Many Relationship: systemuser lk_resourcespec_modifiedby

Property	Value
ReferencedEntity	`systemuser`
ReferencedAttribute	`systemuserid`
ReferencingAttribute	`modifiedby`
ReferencingEntityNavigationPropertyName	`modifiedby`
IsHierarchical
CascadeConfiguration	Archive: `NoCascade` Assign: `NoCascade` Delete: `NoCascade` Merge: `NoCascade` Reparent: `NoCascade` RollupView: `NoCascade` Share: `NoCascade` Unshare: `NoCascade`

lk_resourcespec_modifiedonbehalfby

One-To-Many Relationship: systemuser lk_resourcespec_modifiedonbehalfby

Property	Value
ReferencedEntity	`systemuser`
ReferencedAttribute	`systemuserid`
ReferencingAttribute	`modifiedonbehalfby`
ReferencingEntityNavigationPropertyName	`modifiedonbehalfby`
IsHierarchical
CascadeConfiguration	Archive: `NoCascade` Assign: `NoCascade` Delete: `NoCascade` Merge: `NoCascade` Reparent: `NoCascade` RollupView: `NoCascade` Share: `NoCascade` Unshare: `NoCascade`

organization_resource_specs

One-To-Many Relationship: organization organization_resource_specs

Property	Value
ReferencedEntity	`organization`
ReferencedAttribute	`organizationid`
ReferencingAttribute	`organizationid`
ReferencingEntityNavigationPropertyName	`organizationid`
IsHierarchical
CascadeConfiguration	Archive: `NoCascade` Assign: `NoCascade` Delete: `NoCascade` Merge: `NoCascade` Reparent: `NoCascade` RollupView: `NoCascade` Share: `NoCascade` Unshare: `NoCascade`

team_resource_specs

One-To-Many Relationship: team team_resource_specs

Property	Value
ReferencedEntity	`team`
ReferencedAttribute	`teamid`
ReferencingAttribute	`groupobjectid`
ReferencingEntityNavigationPropertyName	`groupobjectid_team`
IsHierarchical
CascadeConfiguration	Archive: `NoCascade` Assign: `NoCascade` Delete: `Restrict` Merge: `NoCascade` Reparent: `NoCascade` RollupView: `NoCascade` Share: `NoCascade` Unshare: `NoCascade`

One-to-Many relationships

These relationships are one-to-many. Listed by SchemaName.

ActivityPartyResourceSpec
resource_spec_services
ResourceSpec_Annotation
ResourceSpec_AsyncOperations
ResourceSpec_BulkDeleteFailures
resourcespec_MailboxTrackingFolders
resourcespec_PrincipalObjectAttributeAccesses
resourcespec_resources
resourcespec_SyncErrors

ActivityPartyResourceSpec

Many-To-One Relationship: activityparty ActivityPartyResourceSpec

Property	Value
ReferencingEntity	`activityparty`
ReferencingAttribute	`resourcespecid`
ReferencedEntityNavigationPropertyName	`ActivityPartyResourceSpec`
IsCustomizable	`False`
AssociatedMenuConfiguration	AvailableOffline: True Behavior: `DoNotDisplay` Group: `Details` Label: MenuId: null Order: QueryApi: null ViewId: `00000000-0000-0000-0000-000000000000`

resource_spec_services

Many-To-One Relationship: service resource_spec_services

Property	Value
ReferencingEntity	`service`
ReferencingAttribute	`resourcespecid`
ReferencedEntityNavigationPropertyName	`resource_spec_services`
IsCustomizable	`False`
AssociatedMenuConfiguration	AvailableOffline: True Behavior: `DoNotDisplay` Group: `Details` Label: MenuId: null Order: QueryApi: null ViewId: `00000000-0000-0000-0000-000000000000`

ResourceSpec_Annotation

Many-To-One Relationship: annotation ResourceSpec_Annotation

Property	Value
ReferencingEntity	`annotation`
ReferencingAttribute	`objectid`
ReferencedEntityNavigationPropertyName	`ResourceSpec_Annotation`
IsCustomizable	`False`
AssociatedMenuConfiguration	AvailableOffline: True Behavior: `DoNotDisplay` Group: `Details` Label: MenuId: null Order: QueryApi: null ViewId: `00000000-0000-0000-0000-000000000000`

ResourceSpec_AsyncOperations

Many-To-One Relationship: asyncoperation ResourceSpec_AsyncOperations

Property	Value
ReferencingEntity	`asyncoperation`
ReferencingAttribute	`regardingobjectid`
ReferencedEntityNavigationPropertyName	`ResourceSpec_AsyncOperations`
IsCustomizable	`False`
AssociatedMenuConfiguration	AvailableOffline: True Behavior: `DoNotDisplay` Group: `Details` Label: MenuId: null Order: QueryApi: null ViewId: `00000000-0000-0000-0000-000000000000`

ResourceSpec_BulkDeleteFailures

Many-To-One Relationship: bulkdeletefailure ResourceSpec_BulkDeleteFailures

Property	Value
ReferencingEntity	`bulkdeletefailure`
ReferencingAttribute	`regardingobjectid`
ReferencedEntityNavigationPropertyName	`ResourceSpec_BulkDeleteFailures`
IsCustomizable	`False`
AssociatedMenuConfiguration	AvailableOffline: True Behavior: `DoNotDisplay` Group: `Details` Label: MenuId: null Order: QueryApi: null ViewId: `00000000-0000-0000-0000-000000000000`

resourcespec_MailboxTrackingFolders

Many-To-One Relationship: mailboxtrackingfolder resourcespec_MailboxTrackingFolders

Property	Value
ReferencingEntity	`mailboxtrackingfolder`
ReferencingAttribute	`regardingobjectid`
ReferencedEntityNavigationPropertyName	`resourcespec_MailboxTrackingFolders`
IsCustomizable	`True`
AssociatedMenuConfiguration	AvailableOffline: True Behavior: `DoNotDisplay` Group: `Details` Label: MenuId: null Order: QueryApi: null ViewId: `00000000-0000-0000-0000-000000000000`

resourcespec_PrincipalObjectAttributeAccesses

Many-To-One Relationship: principalobjectattributeaccess resourcespec_PrincipalObjectAttributeAccesses

Property	Value
ReferencingEntity	`principalobjectattributeaccess`
ReferencingAttribute	`objectid`
ReferencedEntityNavigationPropertyName	`resourcespec_PrincipalObjectAttributeAccesses`
IsCustomizable	`True`
AssociatedMenuConfiguration	AvailableOffline: True Behavior: `DoNotDisplay` Group: `Details` Label: MenuId: null Order: QueryApi: null ViewId: `00000000-0000-0000-0000-000000000000`

resourcespec_resources

Many-To-One Relationship: resource resourcespec_resources

Property	Value
ReferencingEntity	`resource`
ReferencingAttribute	`resourceid`
ReferencedEntityNavigationPropertyName	`resourcespec_resources`
IsCustomizable	`False`
AssociatedMenuConfiguration	AvailableOffline: True Behavior: `DoNotDisplay` Group: `Details` Label: MenuId: null Order: QueryApi: null ViewId: `00000000-0000-0000-0000-000000000000`

resourcespec_SyncErrors

Many-To-One Relationship: syncerror resourcespec_SyncErrors

Property	Value
ReferencingEntity	`syncerror`
ReferencingAttribute	`regardingobjectid`
ReferencedEntityNavigationPropertyName	`resourcespec_SyncErrors`
IsCustomizable	`True`
AssociatedMenuConfiguration	AvailableOffline: True Behavior: `DoNotDisplay` Group: `Details` Label: MenuId: null Order: QueryApi: null ViewId: `00000000-0000-0000-0000-000000000000`

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