diff --git a/client/schemas/blueprint-spec2-schema.json b/client/schemas/blueprint-spec2-schema.json
index f20967d..7685831 100644
--- a/client/schemas/blueprint-spec2-schema.json
+++ b/client/schemas/blueprint-spec2-schema.json
@@ -252,6 +252,9 @@
                         "aws-cdk"
                     ]
                 },
+                "condition": {
+                    "$ref": "#/definitions/GrainConditions"
+                },
                 "env-labels": {
                     "$ref": "#/definitions/GrainLabels"
                 },
@@ -797,6 +800,138 @@
                 }
             }
         },
+        "GrainConditions": {
+            "type":"array",
+            "additionalProperties": false,
+            "maxLength": 1,
+            "items": {
+                "$ref": "#/definitions/GrainConditionObject"
+            }
+        },
+        "GrainConditionObject": {
+            "type":"object",
+            "additionalProperties": false,
+            "properties": {
+                "type": {
+                    "type": "string",
+                    "enum": [ 
+                        "approval"
+                    ]
+                },
+                "message": {
+                    "type": "string"
+                },
+                "channels": {
+                    "type": "array",
+                    "additionalProperties": false,
+                    "items": {
+                        "$ref": "#/definitions/GrainConditionChannelObject"
+                    }
+                }
+            },
+            "required": [
+                "type"
+            ],
+            "if": {
+                "properties": {
+                    "type": {
+                        "const": "approval"
+                    }
+                }
+            },
+            "then": {
+                "required": ["channels"]
+            }
+        },
+        "GrainConditionChannelObject": {
+            "type": "object",
+            "additionalProperties": false,
+            "properties": {
+                "type": {
+                    "type": "string",
+                    "enum": [
+                        "group",
+                        "user",
+                        "account_channels"
+                    ]
+                },
+                "groups": {
+                    "$ref": "#/definitions/GrainConditionChannelApproversObject"
+                },
+                "users": {
+                    "$ref": "#/definitions/GrainConditionChannelApproversObject"
+                },
+                "names": {
+                    "$ref": "#/definitions/GrainConditionChannelApproversObject"
+                }
+            },
+            "required": [
+                "type"
+            ],
+            "if": {
+                "properties": {
+                    "type": {
+                        "const": "group"
+                    }
+                }
+            },
+            "then": {
+                "required": ["groups"],
+                "properties": {
+                    "groups": true,
+                    "users": false,
+                    "names": false
+                }
+            },
+            "else": {
+                "if": {
+                    "properties": {
+                        "type": {
+                            "const": "user"
+                        }
+                    }
+                },
+                "then": {
+                    "required": ["users"],
+                    "properties": {
+                        "groups": false,
+                        "users": true,
+                        "names": false
+                    }
+                },
+                "else": {
+                    "if": {
+                        "properties": {
+                            "type": {
+                                "const": "account_channels"
+                            }
+                        }
+                    },
+                    "then": {
+                        "required": ["names"],
+                        "properties": {
+                            "groups": false,
+                            "users": false,
+                            "names": true
+                        }
+                    }
+                }
+            }
+        },
+        "GrainConditionChannelApproversObject": {
+            "oneOf": [
+                {
+                    "type": "array",
+                    "items": {
+                        "type": "string",
+                        "maxLength": 250
+                    }
+                },
+                {
+                    "type": "string"
+                }
+            ]
+        },
         "EnvironmentLabel": {
            "type": "object",
            "additionalProperties": false,