diff --git a/client/object_put.go b/client/object_put.go
index f25e44b..5995683 100644
--- a/client/object_put.go
+++ b/client/object_put.go
@@ -22,14 +22,21 @@ import (
 
 // PrmObjectPutInit groups parameters of ObjectPutInit operation.
 type PrmObjectPutInit struct {
-	copyNum uint32
+	copyNum []uint32
 	key     *ecdsa.PrivateKey
 	meta    v2session.RequestMetaHeader
 }
 
 // SetCopiesNumber sets number of object copies that is enough to consider put successful.
 func (x *PrmObjectPutInit) SetCopiesNumber(copiesNumber uint32) {
-	x.copyNum = copiesNumber
+	x.copyNum = []uint32{copiesNumber}
+}
+
+// SetCopiesNumberByVectors sets ordered list of minimal required object copies numbers
+// per placement vector. List's length MUST equal container's placement vector number,
+// otherwise request will fail.
+func (x *PrmObjectPutInit) SetCopiesNumberByVectors(copiesNumbers []uint32) {
+	x.copyNum = copiesNumbers
 }
 
 // ResObjectPut groups the final result values of ObjectPutInit operation.
diff --git a/pool/pool.go b/pool/pool.go
index 657afbf..28715ac 100644
--- a/pool/pool.go
+++ b/pool/pool.go
@@ -615,7 +615,7 @@ func (c *clientWrapper) objectPut(ctx context.Context, prm PrmObjectPut) (oid.ID
 	}
 
 	var cliPrm sdkClient.PrmObjectPutInit
-	cliPrm.SetCopiesNumber(prm.copiesNumber)
+	cliPrm.SetCopiesNumber(prm.copiesNumber) // TODO(@ironbee): adopt multiple copy number https://git.frostfs.info/TrueCloudLab/frostfs-sdk-go/issues/44
 	if prm.stoken != nil {
 		cliPrm.WithinSession(*prm.stoken)
 	}