diff --git a/README.md b/README.md
index d513fd9..174b740 100644
--- a/README.md
+++ b/README.md
@@ -11,8 +11,14 @@ An action that executes given Ansible playbook on selected hosts.
     playbook: deploy.yml
     directory: ./
     key: ${{secrets.SSH_PRIVATE_KEY}}
+    inventory: |
+      [all]
+      example.com
+
+      [group1]
+      example.com
+    vault_password: ${{secrets.VAULT_PASSWORD}}
     options: |
-      --inventory hosts
       --limit dev
       --extra-vars hello=there
       --verbose
diff --git a/action.yml b/action.yml
index bd5889b..a44f860 100644
--- a/action.yml
+++ b/action.yml
@@ -13,6 +13,12 @@ inputs:
   key:
     description: SSH private key used to connect to the host
     required: true
+  inventory:
+    description: Custom content to write into hosts
+    required: false
+  vault_password:
+    description: The password used for decrypting vaulted files
+    required: false
   options:
     description: Extra options that should be passed to ansible-playbook command
     required: false
diff --git a/main.sh b/main.sh
index 17a5d37..7e08d36 100755
--- a/main.sh
+++ b/main.sh
@@ -2,9 +2,14 @@
 
 set -e
 
+default_inventory="hosts"
+default_vault_file=".vault_password"
+
 playbook="$INPUT_PLAYBOOK"
 directory="$INPUT_DIRECTORY"
 key="$INPUT_KEY"
+inventory="$INPUT_INVENTORY"
+vault_password="$INPUT_VAULT_PASSWORD"
 options="$INPUT_OPTIONS"
 
 if test -z "$playbook"; then
@@ -25,10 +30,22 @@ mkdir -p "$HOME/.ssh"
 echo "$key" > "$HOME/.ssh/id_rsa"
 chmod 600 "$HOME/.ssh/id_rsa"
 
+if [ "$inventory" ]; then
+    echo "Writing inventory with custom content:"
+    echo -e "$inventory" | tee "$default_inventory"
+    options="${options} --inventory ${default_inventory}"
+fi
+
+if [ "$vault_password" ]; then
+    echo "Setting vault password"
+    echo "$vault_password" > "$default_vault_file"
+    options="${options} --vault-password-file ${default_vault_file}"
+fi
+
 echo "$options"
 echo "$playbook"
 
 export ANSIBLE_HOST_KEY_CHECKING=False
 export ANSIBLE_FORCE_COLOR=True
 
-ansible-playbook $options $playbook
\ No newline at end of file
+ansible-playbook $options $playbook