diff --git a/schemas/bashly.json b/schemas/bashly.json
index 441c42e7..fc996887 100644
--- a/schemas/bashly.json
+++ b/schemas/bashly.json
@@ -56,7 +56,7 @@
           "title": "allowed",
           "description": "Valid values of the current positional argument\nhttps://bashly.dannyb.co/configuration/argument/#allowed",
           "type": "array",
-          "minLength": 1,
+          "minItems": 1,
           "uniqueItems": true,
           "items": {
             "description": "A valid value of the current positional argument",
@@ -193,7 +193,7 @@
           "title": "allowed",
           "description": "Valid values of the current flag\nhttps://bashly.dannyb.co/configuration/flag/#allowed",
           "type": "array",
-          "minLength": 1,
+          "minItems": 1,
           "uniqueItems": true,
           "items": {
             "description": "A valid value of the current positional argument",
@@ -208,7 +208,7 @@
           "title": "conflicts",
           "description": "Mutually exclusive flags of the current flag\nhttps://bashly.dannyb.co/configuration/flag/#conflicts",
           "type": "array",
-          "minLength": 1,
+          "minItems": 1,
           "uniqueItems": true,
           "items": {
             "description": "The long form of the required flag",
@@ -223,7 +223,7 @@
           "title": "needs",
           "description": "Additional flags required by the current flag\nhttps://bashly.dannyb.co/configuration/flag/#needs",
           "type": "array",
-          "minLength": 1,
+          "minItems": 1,
           "uniqueItems": true,
           "items": {
             "description": "The long form of the required flag",
@@ -238,7 +238,7 @@
           "title": "completions",
           "description": "Completions of the current flag\nhttps://bashly.dannyb.co/configuration/flag/#completions",
           "type": "array",
-          "minLength": 1,
+          "minItems": 1,
           "uniqueItems": true,
           "items": {
             "description": "A completion of the current flag",
@@ -349,7 +349,7 @@
           "title": "allowed",
           "description": "Valid values of the current environment variable\nhttps://bashly.dannyb.co/configuration/environment-variable/#allowed",
           "type": "array",
-          "minLength": 1,
+          "minItems": 1,
           "uniqueItems": true,
           "items": {
             "description": "A valid value of the current environment variable",
@@ -380,6 +380,50 @@
       },
       "additionalProperties": false
     },
+    "variable": {
+      "title": "variable",
+      "description": "A global bash variable\nhttps://bashly.dannyb.co/configuration/command/#variables",
+      "type": "object",
+      "required": [
+        "name"
+      ],
+      "properties": {
+        "name": {
+          "title": "name",
+          "description": "A name for the current variable",
+          "type": "string",
+          "minLength": 1,
+          "examples": [
+            "output_dir"
+          ]
+        },
+        "value": {
+          "title": "value",
+          "description": "A value for the current variable",
+          "examples": [
+            "output_dir",
+            [
+              "development",
+              "production"
+            ],
+            {
+              "verbosity": 3,
+              "debug": true
+            }
+          ]
+        }
+      },
+      "patternProperties": {
+        "^x_.": {
+          "title": "custom property",
+          "description": "A custom property of any type",
+          "examples": [
+            "Anything"
+          ]
+        }
+      },
+      "additionalProperties": false
+    },
     "name-property": {
       "title": "name",
       "description": "A name of the current script or sub-command\nhttps://bashly.dannyb.co/configuration/command/#name",
@@ -430,8 +474,8 @@
       "title": "args",
       "description": "Arguments of the current script or sub-command\nhttps://bashly.dannyb.co/configuration/command/#args",
       "type": "array",
-      "uniqueItems": true,
       "minItems": 1,
+      "uniqueItems": true,
       "items": {
         "$ref": "#/definitions/argument"
       }
@@ -440,8 +484,8 @@
       "title": "flags",
       "description": "Flags of the current script or sub-command\nhttps://bashly.dannyb.co/configuration/command/#flags",
       "type": "array",
-      "uniqueItems": true,
       "minItems": 1,
+      "uniqueItems": true,
       "items": {
         "$ref": "#/definitions/flag"
       }
@@ -450,6 +494,7 @@
       "title": "commands",
       "description": "Subcommands of the current script or sub-command\nhttps://bashly.dannyb.co/configuration/command/#commands",
       "type": "array",
+      "minItems": 1,
       "uniqueItems": true,
       "items": {
         "$ref": "#/definitions/command-property"
@@ -485,11 +530,22 @@
       "title": "environment variables",
       "description": "Environment variables of the current application\nhttps://bashly.dannyb.co/configuration/environment-variable/#environment-variable",
       "type": "array",
+      "minItems": 1,
       "uniqueItems": true,
       "items": {
         "$ref": "#/definitions/environment-variable"
       }
     },
+    "variables-property": {
+      "title": "variables",
+      "description": "Bash variables for the current application\nhttps://bashly.dannyb.co/configuration/command/#variables",
+      "type": "array",
+      "minItems": 1,
+      "uniqueItems": true,
+      "items": {
+        "$ref": "#/definitions/variable"
+      }
+    },
     "examples-property": {
       "title": "examples",
       "oneOf": [
@@ -583,7 +639,7 @@
       "title": "completions",
       "description": "Completions of the current script or sub-command\nhttps://bashly.dannyb.co/configuration/command/#completions",
       "type": "array",
-      "minLength": 1,
+      "minItems": 1,
       "uniqueItems": true,
       "items": {
         "description": "A completion of the current script or sub-command",
@@ -647,7 +703,7 @@
         {
           "description": "Dependencies of the current script or sub-command\nhttps://bashly.dannyb.co/configuration/dependency/#dependency",
           "type": "array",
-          "minLength": 1,
+          "minItems": 1,
           "uniqueItems": true,
           "items": {
             "description": "A dependency of the current script or sub-command\nhttps://bashly.dannyb.co/configuration/dependency/#dependency",
@@ -806,6 +862,9 @@
         "environment_variables": {
           "$ref": "#/definitions/environment-variables-property"
         },
+        "variables": {
+          "$ref": "#/definitions/variables-property"
+        },
         "examples": {
           "$ref": "#/definitions/examples-property"
         },
@@ -880,6 +939,9 @@
     "environment_variables": {
       "$ref": "#/definitions/environment-variables-property"
     },
+    "variables": {
+      "$ref": "#/definitions/variables-property"
+    },
     "examples": {
       "$ref": "#/definitions/examples-property"
     },
diff --git a/support/schema/bashly.yml b/support/schema/bashly.yml
index 37fd6a01..5bad1e4a 100644
--- a/support/schema/bashly.yml
+++ b/support/schema/bashly.yml
@@ -53,7 +53,7 @@ definitions:
           Valid values of the current positional argument
           https://bashly.dannyb.co/configuration/argument/#allowed
         type: array
-        minLength: 1
+        minItems: 1
         uniqueItems: true
         items:
           description: A valid value of the current positional argument
@@ -172,7 +172,7 @@ definitions:
           Valid values of the current flag
           https://bashly.dannyb.co/configuration/flag/#allowed
         type: array
-        minLength: 1
+        minItems: 1
         uniqueItems: true
         items:
           description: A valid value of the current positional argument
@@ -186,7 +186,7 @@ definitions:
           Mutually exclusive flags of the current flag
           https://bashly.dannyb.co/configuration/flag/#conflicts
         type: array
-        minLength: 1
+        minItems: 1
         uniqueItems: true
         items:
           description: The long form of the required flag
@@ -200,7 +200,7 @@ definitions:
           Additional flags required by the current flag
           https://bashly.dannyb.co/configuration/flag/#needs
         type: array
-        minLength: 1
+        minItems: 1
         uniqueItems: true
         items:
           description: The long form of the required flag
@@ -214,7 +214,7 @@ definitions:
           Completions of the current flag
           https://bashly.dannyb.co/configuration/flag/#completions
         type: array
-        minLength: 1
+        minItems: 1
         uniqueItems: true
         items:
           description: A completion of the current flag
@@ -317,7 +317,7 @@ definitions:
           Valid values of the current environment variable
           https://bashly.dannyb.co/configuration/environment-variable/#allowed
         type: array
-        minLength: 1
+        minItems: 1
         uniqueItems: true
         items:
           description: A valid value of the current environment variable
@@ -335,6 +335,31 @@ definitions:
           - ~/config.ini
     patternProperties: *custom-properties
     additionalProperties: false
+  variable:
+    title: variable
+    description: |-
+      A global bash variable
+      https://bashly.dannyb.co/configuration/command/#variables
+    type: object
+    required:
+      - name
+    properties:
+      name:
+        title: name
+        description: A name for the current variable
+        type: string
+        minLength: 1
+        examples:
+          - output_dir
+      value:
+        title: value
+        description: A value for the current variable
+        examples:
+          - output_dir
+          - [development, production]
+          - { verbosity: 3, debug: true }
+    patternProperties: *custom-properties
+    additionalProperties: false    
   name-property:
     title: name
     description: |-
@@ -382,8 +407,8 @@ definitions:
       Arguments of the current script or sub-command
       https://bashly.dannyb.co/configuration/command/#args
     type: array
-    uniqueItems: true
     minItems: 1
+    uniqueItems: true
     items:
       $ref: '#/definitions/argument'
   flags-property:
@@ -392,8 +417,8 @@ definitions:
       Flags of the current script or sub-command
       https://bashly.dannyb.co/configuration/command/#flags
     type: array
-    uniqueItems: true
     minItems: 1
+    uniqueItems: true
     items:
       $ref: '#/definitions/flag'
   commands-property:
@@ -402,6 +427,7 @@ definitions:
       Subcommands of the current script or sub-command
       https://bashly.dannyb.co/configuration/command/#commands
     type: array
+    minItems: 1
     uniqueItems: true
     items:
       $ref: '#/definitions/command-property'
@@ -432,9 +458,20 @@ definitions:
       Environment variables of the current application
       https://bashly.dannyb.co/configuration/environment-variable/#environment-variable
     type: array
+    minItems: 1
     uniqueItems: true
     items:
       $ref: '#/definitions/environment-variable'
+  variables-property:
+    title: variables
+    description: |-
+      Bash variables for the current application
+      https://bashly.dannyb.co/configuration/command/#variables
+    type: array
+    minItems: 1
+    uniqueItems: true
+    items:
+      $ref: '#/definitions/variable'
   examples-property:
     title: examples
     oneOf:
@@ -520,7 +557,7 @@ definitions:
       Completions of the current script or sub-command
       https://bashly.dannyb.co/configuration/command/#completions
     type: array
-    minLength: 1
+    minItems: 1
     uniqueItems: true
     items:
       description: A completion of the current script or sub-command
@@ -583,7 +620,7 @@ definitions:
           Dependencies of the current script or sub-command
           https://bashly.dannyb.co/configuration/dependency/#dependency
         type: array
-        minLength: 1
+        minItems: 1
         uniqueItems: true
         items:
           description: |-
@@ -708,6 +745,8 @@ definitions:
         $ref: '#/definitions/sub-command-default-property'
       environment_variables:
         $ref: '#/definitions/environment-variables-property'
+      variables:
+        $ref: '#/definitions/variables-property'
       examples:
         $ref: '#/definitions/examples-property'
       footer:
@@ -754,6 +793,8 @@ properties:
     $ref: '#/definitions/root-version-property'
   environment_variables:
     $ref: '#/definitions/environment-variables-property'
+  variables:
+    $ref: '#/definitions/variables-property'
   examples:
     $ref: '#/definitions/examples-property'
   footer: