release-v1.0.30

docs/resources/delivery_group.md

@@ -432,7 +432,7 @@ Optional:
 
 Read-Only:
 
-- `id` (String) ID of the resource location.
+- `id` (String) ID of the access policy.
 
 <a id="nestedatt--custom_access_policies--exclude_criteria_filters"></a>
 ### Nested Schema for `custom_access_policies.exclude_criteria_filters`
@@ -474,7 +474,7 @@ Optional:
 
 Read-Only:
 
-- `id` (String) ID of the resource location.
+- `id` (String) ID of the access policy.
 
 <a id="nestedatt--default_access_policies--exclude_criteria_filters"></a>
 ### Nested Schema for `default_access_policies.exclude_criteria_filters`

go.mod

@@ -3,7 +3,7 @@ module github.com/citrix/terraform-provider-citrix
 go 1.24.1
 
 require (
-	github.com/citrix/citrix-daas-rest-go v1.0.22
+	github.com/citrix/citrix-daas-rest-go v1.0.23
 	github.com/google/uuid v1.6.0
 	github.com/hashicorp/go-azure-helpers v0.74.0
 	github.com/hashicorp/go-multierror v1.1.1
@@ -13,8 +13,8 @@ require (
 	github.com/hashicorp/terraform-plugin-go v0.29.0
 	github.com/hashicorp/terraform-plugin-log v0.9.0
 	github.com/hashicorp/terraform-plugin-testing v1.8.0
-	golang.org/x/exp v0.0.0-20251002181428-27f1f14c8bb9
-	golang.org/x/mod v0.28.0
+	golang.org/x/exp v0.0.0-20251009144603-d2f985daa21b
+	golang.org/x/mod v0.29.0
 )
 
 require (
@@ -73,14 +73,14 @@ require (
 	github.com/yuin/goldmark-meta v1.1.0 // indirect
 	github.com/zclconf/go-cty v1.17.0 // indirect
 	go.abhg.dev/goldmark/frontmatter v0.2.0 // indirect
-	golang.org/x/crypto v0.42.0 // indirect
-	golang.org/x/net v0.45.0 // indirect
+	golang.org/x/crypto v0.43.0 // indirect
+	golang.org/x/net v0.46.0 // indirect
 	golang.org/x/sync v0.17.0 // indirect
-	golang.org/x/sys v0.36.0 // indirect
-	golang.org/x/text v0.29.0 // indirect
-	golang.org/x/tools v0.37.0 // indirect
+	golang.org/x/sys v0.37.0 // indirect
+	golang.org/x/text v0.30.0 // indirect
+	golang.org/x/tools v0.38.0 // indirect
 	google.golang.org/appengine v1.6.8 // indirect
-	google.golang.org/genproto/googleapis/rpc v0.0.0-20251006185510-65f7160b3a87 // indirect
+	google.golang.org/genproto/googleapis/rpc v0.0.0-20251007200510-49b9836ed3ff // indirect
 	google.golang.org/grpc v1.76.0 // indirect
 	google.golang.org/protobuf v1.36.10 // indirect
 	gopkg.in/yaml.v2 v2.3.0 // indirect

go.sum

@@ -27,6 +27,8 @@ github.com/bmatcuk/doublestar/v4 v4.7.1 h1:fdDeAqgT47acgwd9bd9HxJRDmc9UAmPpc+2m0
 github.com/bmatcuk/doublestar/v4 v4.7.1/go.mod h1:xBQ8jztBU6kakFMg+8WGxn0c6z1fTSPVIjEY1Wr7jzc=
 github.com/bufbuild/protocompile v0.14.1 h1:iA73zAf/fyljNjQKwYzUHD6AD4R8KMasmwa/FBatYVw=
 github.com/bufbuild/protocompile v0.14.1/go.mod h1:ppVdAIhbr2H8asPk6k4pY7t9zB1OU5DoEw9xY/FUi1c=
+github.com/citrix/citrix-daas-rest-go v1.0.23 h1:fsXqEhIOYQW+6m7zQlkVpRIZJBUUkLpaCArPhrtTZPI=
+github.com/citrix/citrix-daas-rest-go v1.0.23/go.mod h1:4Me0VHpyxMYfPwpU2XWV0jOE2Jdz8MHNpge3MLD5B2E=
 github.com/cloudflare/circl v1.6.1 h1:zqIqSPIndyBh1bjLVVDHMPpVKqp8Su/V+6MeDzzQBQ0=
 github.com/cloudflare/circl v1.6.1/go.mod h1:uddAzsPgqdMAYatqJ0lsjX1oECcQLIlRpzZh3pJrofs=
 github.com/cyphar/filepath-securejoin v0.4.1 h1:JyxxyPEaktOD+GAnqIqTf9A8tHyAG22rowi7HkoSU1s=
@@ -229,20 +231,20 @@ go.opentelemetry.io/otel/trace v1.37.0/go.mod h1:TlgrlQ+PtQO5XFerSPUYG0JSgGyryXe
 golang.org/x/crypto v0.0.0-20190308221718-c2843e01d9a2/go.mod h1:djNgcEr1/C05ACkg1iLfiJU5Ep61QUkGW8qpdssI0+w=
 golang.org/x/crypto v0.0.0-20210921155107-089bfa567519/go.mod h1:GvvjBRRGRdwPK5ydBHafDWAxML/pGHZbMvKqRZ5+Abc=
 golang.org/x/crypto v0.3.0/go.mod h1:hebNnKkNXi2UzZN1eVRvBB7co0a+JxK6XbPiWVs/3J4=
-golang.org/x/crypto v0.42.0 h1:chiH31gIWm57EkTXpwnqf8qeuMUi0yekh6mT2AvFlqI=
-golang.org/x/crypto v0.42.0/go.mod h1:4+rDnOTJhQCx2q7/j6rAN5XDw8kPjeaXEUR2eL94ix8=
-golang.org/x/exp v0.0.0-20251002181428-27f1f14c8bb9 h1:TQwNpfvNkxAVlItJf6Cr5JTsVZoC/Sj7K3OZv2Pc14A=
-golang.org/x/exp v0.0.0-20251002181428-27f1f14c8bb9/go.mod h1:TwQYMMnGpvZyc+JpB/UAuTNIsVJifOlSkrZkhcvpVUk=
+golang.org/x/crypto v0.43.0 h1:dduJYIi3A3KOfdGOHX8AVZ/jGiyPa3IbBozJ5kNuE04=
+golang.org/x/crypto v0.43.0/go.mod h1:BFbav4mRNlXJL4wNeejLpWxB7wMbc79PdRGhWKncxR0=
+golang.org/x/exp v0.0.0-20251009144603-d2f985daa21b h1:18qgiDvlvH7kk8Ioa8Ov+K6xCi0GMvmGfGW0sgd/SYA=
+golang.org/x/exp v0.0.0-20251009144603-d2f985daa21b/go.mod h1:j/pmGrbnkbPtQfxEe5D0VQhZC6qKbfKifgD0oM7sR70=
 golang.org/x/mod v0.6.0-dev.0.20220419223038-86c51ed26bb4/go.mod h1:jJ57K6gSWd91VN4djpZkiMVwK6gcyfeH4XE8wZrZaV4=
-golang.org/x/mod v0.28.0 h1:gQBtGhjxykdjY9YhZpSlZIsbnaE2+PgjfLWUQTnoZ1U=
-golang.org/x/mod v0.28.0/go.mod h1:yfB/L0NOf/kmEbXjzCPOx1iK1fRutOydrCMsqRhEBxI=
+golang.org/x/mod v0.29.0 h1:HV8lRxZC4l2cr3Zq1LvtOsi/ThTgWnUk/y64QSs8GwA=
+golang.org/x/mod v0.29.0/go.mod h1:NyhrlYXJ2H4eJiRy/WDBO6HMqZQ6q9nk4JzS3NuCK+w=
 golang.org/x/net v0.0.0-20190404232315-eb5bcb51f2a3/go.mod h1:t9HGtf8HONx5eT2rtn7q6eTqICYqUVnKs3thJo3Qplg=
 golang.org/x/net v0.0.0-20190620200207-3b0461eec859/go.mod h1:z5CRVTTTmAJ677TzLLGU+0bjPO0LkuOLi4/5GtJWs/s=
 golang.org/x/net v0.0.0-20210226172049-e18ecbb05110/go.mod h1:m0MpNAwzfU5UDzcl9v0D8zg8gWTRqZa9RBIspLL5mdg=
 golang.org/x/net v0.0.0-20220722155237-a158d28d115b/go.mod h1:XRhObCWvk6IyKnWLug+ECip1KBveYUHfp+8e9klMJ9c=
 golang.org/x/net v0.2.0/go.mod h1:KqCZLdyyvdV855qA2rE3GC2aiw5xGR5TEjj8smXukLY=
-golang.org/x/net v0.45.0 h1:RLBg5JKixCy82FtLJpeNlVM0nrSqpCRYzVU1n8kj0tM=
-golang.org/x/net v0.45.0/go.mod h1:ECOoLqd5U3Lhyeyo/QDCEVQ4sNgYsqvCZ722XogGieY=
+golang.org/x/net v0.46.0 h1:giFlY12I07fugqwPuWJi68oOnpfqFnJIJzaIIm2JVV4=
+golang.org/x/net v0.46.0/go.mod h1:Q9BGdFy1y4nkUwiLvT5qtyhAnEHgnQ/zd8PfU6nc210=
 golang.org/x/sync v0.0.0-20180314180146-1d60e4601c6f/go.mod h1:RxMgew5VJxzue5/jJTE5uejpjVlOe/izrB70Jof72aM=
 golang.org/x/sync v0.0.0-20190423024810-112230192c58/go.mod h1:RxMgew5VJxzue5/jJTE5uejpjVlOe/izrB70Jof72aM=
 golang.org/x/sync v0.0.0-20220722155255-886fb9371eb4/go.mod h1:RxMgew5VJxzue5/jJTE5uejpjVlOe/izrB70Jof72aM=
@@ -260,8 +262,8 @@ golang.org/x/sys v0.0.0-20220520151302-bc2c85ada10a/go.mod h1:oPkhp1MJrh7nUepCBc
 golang.org/x/sys v0.0.0-20220722155257-8c9f86f7a55f/go.mod h1:oPkhp1MJrh7nUepCBck5+mAzfO9JrbApNNgaTdGDITg=
 golang.org/x/sys v0.2.0/go.mod h1:oPkhp1MJrh7nUepCBck5+mAzfO9JrbApNNgaTdGDITg=
 golang.org/x/sys v0.6.0/go.mod h1:oPkhp1MJrh7nUepCBck5+mAzfO9JrbApNNgaTdGDITg=
-golang.org/x/sys v0.36.0 h1:KVRy2GtZBrk1cBYA7MKu5bEZFxQk4NIDV6RLVcC8o0k=
-golang.org/x/sys v0.36.0/go.mod h1:OgkHotnGiDImocRcuBABYBEXf8A9a87e/uXjp9XT3ks=
+golang.org/x/sys v0.37.0 h1:fdNQudmxPjkdUTPnLn5mdQv7Zwvbvpaxqs831goi9kQ=
+golang.org/x/sys v0.37.0/go.mod h1:OgkHotnGiDImocRcuBABYBEXf8A9a87e/uXjp9XT3ks=
 golang.org/x/term v0.0.0-20201126162022-7de9c90e9dd1/go.mod h1:bj7SfCRtBDWHUb9snDiAeCFNEtKQo2Wmx5Cou7ajbmo=
 golang.org/x/term v0.0.0-20210927222741-03fcf44c2211/go.mod h1:jbD1KX2456YbFQfuXm/mYQcufACuNUgVhRMnK/tPxf8=
 golang.org/x/term v0.2.0/go.mod h1:TVmDHMZPmdnySmBfhjOoOdhjzdE1h4u1VwSiw2l1Nuc=
@@ -270,22 +272,22 @@ golang.org/x/text v0.3.3/go.mod h1:5Zoc/QRtKVWzQhOtBMvqHzDpF6irO9z98xDceosuGiQ=
 golang.org/x/text v0.3.7/go.mod h1:u+2+/6zg+i71rQMx5EYifcz6MCKuco9NR6JIITiCfzQ=
 golang.org/x/text v0.3.8/go.mod h1:E6s5w1FMmriuDzIBO73fBruAKo1PCIq6d2Q6DHfQ8WQ=
 golang.org/x/text v0.4.0/go.mod h1:mrYo+phRRbMaCq/xk9113O4dZlRixOauAjOtrjsXDZ8=
-golang.org/x/text v0.29.0 h1:1neNs90w9YzJ9BocxfsQNHKuAT4pkghyXc4nhZ6sJvk=
-golang.org/x/text v0.29.0/go.mod h1:7MhJOA9CD2qZyOKYazxdYMF85OwPdEr9jTtBpO7ydH4=
+golang.org/x/text v0.30.0 h1:yznKA/E9zq54KzlzBEAWn1NXSQ8DIp/NYMy88xJjl4k=
+golang.org/x/text v0.30.0/go.mod h1:yDdHFIX9t+tORqspjENWgzaCVXgk0yYnYuSZ8UzzBVM=
 golang.org/x/tools v0.0.0-20180917221912-90fa682c2a6e/go.mod h1:n7NCudcB/nEzxVGmLbDWY5pfWTLqBcC2KZ6jyYvM4mQ=
 golang.org/x/tools v0.0.0-20191119224855-298f0cb1881e/go.mod h1:b+2E5dAYhXwXZwtnZ6UAqBI28+e2cm9otk0dWdXHAEo=
 golang.org/x/tools v0.1.12/go.mod h1:hNGJHUnrk76NpqgfD5Aqm5Crs+Hm0VOH/i9J2+nxYbc=
-golang.org/x/tools v0.37.0 h1:DVSRzp7FwePZW356yEAChSdNcQo6Nsp+fex1SUW09lE=
-golang.org/x/tools v0.37.0/go.mod h1:MBN5QPQtLMHVdvsbtarmTNukZDdgwdwlO5qGacAzF0w=
+golang.org/x/tools v0.38.0 h1:Hx2Xv8hISq8Lm16jvBZ2VQf+RLmbd7wVUsALibYI/IQ=
+golang.org/x/tools v0.38.0/go.mod h1:yEsQ/d/YK8cjh0L6rZlY8tgtlKiBNTL14pGDJPJpYQs=
 golang.org/x/xerrors v0.0.0-20190717185122-a985d3407aa7/go.mod h1:I/5z698sn9Ka8TeJc9MKroUUfqBBauWjQqLJ2OPfmY0=
 golang.org/x/xerrors v0.0.0-20191204190536-9bdfabe68543/go.mod h1:I/5z698sn9Ka8TeJc9MKroUUfqBBauWjQqLJ2OPfmY0=
 gonum.org/v1/gonum v0.16.0 h1:5+ul4Swaf3ESvrOnidPp4GZbzf0mxVQpDCYUQE7OJfk=
 gonum.org/v1/gonum v0.16.0/go.mod h1:fef3am4MQ93R2HHpKnLk4/Tbh/s0+wqD5nfa6Pnwy4E=
 google.golang.org/appengine v1.1.0/go.mod h1:EbEs0AVv82hx2wNQdGPgUI5lhzA/G0D9YwlJXL52JkM=
 google.golang.org/appengine v1.6.8 h1:IhEN5q69dyKagZPYMSdIjS2HqprW324FRQZJcGqPAsM=
 google.golang.org/appengine v1.6.8/go.mod h1:1jJ3jBArFh5pcgW8gCtRJnepW8FzD1V44FJffLiz/Ds=
-google.golang.org/genproto/googleapis/rpc v0.0.0-20251006185510-65f7160b3a87 h1:WgGZrMngVRRve7T3P5gbXdmedSmUpkf8uIUu1fg+biY=
-google.golang.org/genproto/googleapis/rpc v0.0.0-20251006185510-65f7160b3a87/go.mod h1:7i2o+ce6H/6BluujYR+kqX3GKH+dChPTQU19wjRPiGk=
+google.golang.org/genproto/googleapis/rpc v0.0.0-20251007200510-49b9836ed3ff h1:A90eA31Wq6HOMIQlLfzFwzqGKBTuaVztYu/g8sn+8Zc=
+google.golang.org/genproto/googleapis/rpc v0.0.0-20251007200510-49b9836ed3ff/go.mod h1:7i2o+ce6H/6BluujYR+kqX3GKH+dChPTQU19wjRPiGk=
 google.golang.org/grpc v1.76.0 h1:UnVkv1+uMLYXoIz6o7chp59WfQUYA2ex/BXQ9rHZu7A=
 google.golang.org/grpc v1.76.0/go.mod h1:Ju12QI8M6iQJtbcsV+awF5a4hfJMLi4X0JLo94ULZ6c=
 google.golang.org/protobuf v1.26.0-rc.1/go.mod h1:jlhhOSvTdKEhbULTjvd4ARK9grFBp09yW+WbY/TyQbw=

internal/daas/delivery_group/delivery_group_resource_model.go

@@ -903,7 +903,7 @@ func (DeliveryGroupAccessPolicyModel) GetSchema() schema.NestedAttributeObject {
 	return schema.NestedAttributeObject{
 		Attributes: map[string]schema.Attribute{
 			"id": schema.StringAttribute{
-				Description: "ID of the resource location.",
+				Description: "ID of the access policy.",
 				Computed:    true,
 				PlanModifiers: []planmodifier.String{
 					stringplanmodifier.UseStateForUnknown(),

internal/quickcreate/qcs_deployment/aws_workspaces_deployment_resource.go

@@ -115,8 +115,14 @@ func (r *awsWorkspacesDeploymentResource) Create(ctx context.Context, req resour
 			"Error creating AWS WorkSpaces Deployment: "+plan.Name.ValueString(),
 			"Number of workspaces created does not match the number of workspaces in the plan",
 		)
+		plan = plan.RefreshPropertyValues(ctx, &resp.Diagnostics, *deploymentResult)
+
+		// Set state to populated data
+		diags = resp.State.Set(ctx, plan)
+		resp.Diagnostics.Append(diags...)
 		return
 	}
+
 	if len(workspaces) > 0 {
 		if plan.UserDecoupledWorkspaces.ValueBool() {
 			deploymentWorkspaces := deploymentResult.GetWorkspaces()
@@ -129,6 +135,11 @@ func (r *awsWorkspacesDeploymentResource) Create(ctx context.Context, req resour
 			err = updateMachinesMaintenanceModeWithUsername(ctx, &resp.Diagnostics, r.client, deploymentResult, workspaces)
 		}
 		if err != nil {
+			plan = plan.RefreshPropertyValues(ctx, &resp.Diagnostics, *deploymentResult)
+
+			// Set state to populated data
+			diags = resp.State.Set(ctx, plan)
+			resp.Diagnostics.Append(diags...)
 			return
 		}
 	}

internal/quickcreate/qcs_deployment/aws_workspaces_deployment_resource_model.go

@@ -4,11 +4,14 @@ package qcs_deployment
 import (
 	"context"
 	"regexp"
+	"strings"
 
 	"github.com/citrix/citrix-daas-rest-go/citrixquickcreate"
 	"github.com/citrix/terraform-provider-citrix/internal/util"
+	"github.com/citrix/terraform-provider-citrix/internal/util/planmodifiers"
 	"github.com/citrix/terraform-provider-citrix/internal/validators"
 	"github.com/hashicorp/terraform-plugin-framework-validators/int64validator"
+	"github.com/hashicorp/terraform-plugin-framework-validators/listvalidator"
 	"github.com/hashicorp/terraform-plugin-framework-validators/stringvalidator"
 	"github.com/hashicorp/terraform-plugin-framework/diag"
 	"github.com/hashicorp/terraform-plugin-framework/path"
@@ -94,6 +97,10 @@ type AwsWorkspacesDeploymentWorkspaceModel struct {
 }
 
 func (r AwsWorkspacesDeploymentWorkspaceModel) GetKey() string {
+	// For user-assigned workspaces, return the username. For user decoupled workspaces, return the machine ID
+	if !r.Username.IsNull() {
+		return strings.ToLower(r.Username.ValueString())
+	}
 	return r.MachineId.ValueString()
 }
 
@@ -134,28 +141,28 @@ func (AwsWorkspacesDeploymentWorkspaceModel) GetSchema() schema.NestedAttributeO
 				Description: "Id of the AWS WorkSpaces machine.",
 				Computed:    true,
 				PlanModifiers: []planmodifier.String{
-					stringplanmodifier.UseStateForUnknown(),
+					planmodifiers.UseStateIfUnknownAndStateValueExists(),
 				},
 			},
 			"machine_id": schema.StringAttribute{
 				Description: "Id of the machine.",
 				Computed:    true,
 				PlanModifiers: []planmodifier.String{
-					stringplanmodifier.UseStateForUnknown(),
+					planmodifiers.UseStateIfUnknownAndStateValueExists(),
 				},
 			},
 			"machine_name": schema.StringAttribute{
 				Description: "Name of the machine.",
 				Computed:    true,
 				PlanModifiers: []planmodifier.String{
-					stringplanmodifier.UseStateForUnknown(),
+					planmodifiers.UseStateIfUnknownAndStateValueExists(),
 				},
 			},
 			"broker_machine_id": schema.StringAttribute{
 				Description: "GUID identifier of the machine.",
 				Computed:    true,
 				PlanModifiers: []planmodifier.String{
-					stringplanmodifier.UseStateForUnknown(),
+					planmodifiers.UseStateIfUnknownAndStateValueExists(),
 				},
 			},
 		},
@@ -177,7 +184,7 @@ func (workspace AwsWorkspacesDeploymentWorkspaceModel) RefreshListItem(ctx conte
 
 	if desktop.GetUsername() == "" {
 		workspace.Username = types.StringNull()
-	} else {
+	} else if !strings.EqualFold(workspace.Username.ValueString(), desktop.GetUsername()) {
 		workspace.Username = types.StringValue(desktop.GetUsername())
 	}
 
@@ -344,6 +351,9 @@ func (AwsWorkspacesDeploymentResourceModel) GetSchema() schema.Schema {
 				Description:  "Set of workspaces with assigned users.",
 				Optional:     true,
 				NestedObject: AwsWorkspacesDeploymentWorkspaceModel{}.GetSchema(),
+				Validators: []validator.List{
+					listvalidator.SizeAtLeast(1),
+				},
 			},
 		},
 	}
@@ -395,7 +405,12 @@ func (r AwsWorkspacesDeploymentResourceModel) RefreshPropertyValues(ctx context.
 
 	r.UserDecoupledWorkspaces = types.BoolValue(deployment.GetUserDecoupledWorkspaces())
 
-	r.Workspaces = util.RefreshListValueProperties[AwsWorkspacesDeploymentWorkspaceModel, citrixquickcreate.AwsEdcDeploymentMachine](ctx, diagnostics, r.Workspaces, deployment.GetWorkspaces(), util.GetQcsAwsWorkspacesWithMachineIdKey)
+	clientKey := util.GetQcsAwsWorkspacesWithUsernameKey
+	if deployment.GetUserDecoupledWorkspaces() {
+		clientKey = util.GetQcsAwsWorkspacesWithMachineIdKey
+	}
+
+	r.Workspaces = util.RefreshListValueProperties[AwsWorkspacesDeploymentWorkspaceModel, citrixquickcreate.AwsEdcDeploymentMachine](ctx, diagnostics, r.Workspaces, deployment.GetWorkspaces(), clientKey)
 
 	return r
 }

internal/util/common.go

@@ -853,6 +853,10 @@ func GetQcsAwsWorkspacesWithMachineIdKey(remote citrixquickcreate.AwsEdcDeployme
 	return remote.GetMachineId()
 }
 
+func GetQcsAwsWorkspacesWithUsernameKey(remote citrixquickcreate.AwsEdcDeploymentMachine) string {
+	return strings.ToLower(remote.GetUsername())
+}
+
 func GetOrchestrationAutoscalePluginKey(remote citrixorchestration.AutoscaleGroupPluginModel) string {
 	return strconv.Itoa(int(remote.GetUid()))
 }

internal/util/planmodifiers/use_state_if_unknown_and_state_value_exists.go

@@ -0,0 +1,44 @@
+package planmodifiers
+
+import (
+	"context"
+
+	"github.com/hashicorp/terraform-plugin-framework/resource/schema/planmodifier"
+)
+
+func UseStateIfUnknownAndStateValueExists() planmodifier.String {
+	return useStateIfUnknownAndStateValueExists{}
+}
+
+// useStateForUnknownModifier implements the plan modifier.
+type useStateIfUnknownAndStateValueExists struct{}
+
+// Description returns a human-readable description of the plan modifier.
+func (m useStateIfUnknownAndStateValueExists) Description(_ context.Context) string {
+	return "Once set, the value of this attribute in state will not change."
+}
+
+// MarkdownDescription returns a markdown description of the plan modifier.
+func (m useStateIfUnknownAndStateValueExists) MarkdownDescription(_ context.Context) string {
+	return "Once set, the value of this attribute in state will not change."
+}
+
+// PlanModifyString implements the plan modification logic.
+func (m useStateIfUnknownAndStateValueExists) PlanModifyString(ctx context.Context, req planmodifier.StringRequest, resp *planmodifier.StringResponse) {
+	// Do nothing if there is no state (resource is being created).
+	if req.StateValue.IsNull() {
+		return
+	}
+
+	// Do nothing if there is a known planned value.
+	if !req.PlanValue.IsUnknown() {
+		return
+	}
+
+	// Do nothing if there is an unknown configuration value, otherwise interpolation gets messed up.
+	if req.ConfigValue.IsUnknown() {
+		return
+	}
+
+	resp.PlanValue = req.StateValue
+}